(in mm)
District/State | Winter | Pre-Monsoon | SW-Monsoon | Post- Monsoon | Annual |
Baksa | 18.28 | 358.48 | 1462.9 | 194.51 | 2034.18 |
Barpeta | 9.8524 | 390.29 | 1840.9 | 334.82 | 2575.89 |
Bongaigaon | 5.1 | 428.5 | 1591.1 | 292.3 | 2317 |
Cachar | 75.743 | 1036.5 | 1610.1 | 303.08 | 3025.38 |
Chirang | 1.9333 | 197.28 | 1518.4 | 293.7 | 2011.32 |
Darrang | 5.875 | 197.63 | 500.73 | 10.1 | 714.342 |
Dhemaji | 114.85 | 522.17 | 1433.1 | 288.35 | 2358.47 |
Dhubri | 1.15 | 372.88 | 2115.1 | 253.13 | 2742.27 |
Dibrugarh | 52.895 | 414.66 | 1423 | 110.56 | 2001.08 |
Diam Hasao | 38.608 | 713.94 | 783.8 | 85.1 | 1621.45 |
Goalpara | 0.7 | 573.88 | 1312.5 | 185.86 | 2072.94 |
Golaghat | 15.267 | 417.34 | 912.8 | 109.82 | 1455.22 |
Hailakandi | 62.233 | 836.8 | 1567.5 | 174.41 | 2640.93 |
Jorhat | 41 | 442.98 | 1115.9 | 204.16 | 1804.06 |
Kamrup (Rural) | 2.4667 | 276.33 | 753.13 | 186.77 | 1218.69 |
Kamrup (Metro) | 9.4467 | 267.67 | 958.56 | 164.53 | 1400.21 |
Karbi Anglong | 16.032 | 200.38 | 686.86 | 138.48 | 1041.75 |
Karimganj | 86.6 | 1072.2 | 1907.1 | 181.35 | 3247.23 |
Kokrajhar | 0.88 | 390.44 | 2551.8 | 271.63 | 3214.76 |
Lakhimpur | 53.407 | 384.24 | 1521.6 | 238.05 | 2197.34 |
Morigaon | 4.15 | 224.95 | 935.45 |
|
|
Nagaon | 12.22 | 194.43 | 633.04 | 156.06 | 995.745 |
Nalbari | 6.6917 | 399.96 | 1562.6 | 259.73 | 2228.98 |
Sonitpur | 4.9 | 232.46 | 820.78 | 298.78 | 1356.92 |
Sibsagar | 28.533 | 481.27 | 1017.3 | 100.73 | 1627.83 |
Tinsukia | 89.757 | 544.86 | 1601.2 | 147.9 | 2383.71 |
Udalguri | 22.442 | 314.45 | 1062.2 | 245.6 | 1644.64 |
Assam | 29.215 | 421.45 | 1206.8 | 190.75 | 1858.54 |
Source: Rainfall Statistics of India 2024
Percentage Departure of District-wise Seasonal and Annual Rainfall in Assam, 2024:
District/State | Winter | Pre-Monsoon | SW-Monsoon | Post- Monsoon | Annual |
Baksa | -44% | -42% | -5% | 52% | -12% |
Barpeta | -66% | -43% | -14% | 144% | -14% |
Bongaigaon | -76% | -41% | -33% | 77% | -30% |
Cachar | 32% | 20% | -12% | 29% | 1% |
Chirang | -95% | -71% | -37% | 85% | -39% |
Darrang | -87% | -64% | -62% | -93% | -65% |
Dhemaji | 46% | -5% | -32% | 51% | -19% |
Dhubri | -96% | -44% | 1% | 36% | -8% |
Dibrugarh | -25% | -29% | -5% | -27% | -13% |
Diam Hasao | 6% | 29% | -23% | -51% | -9% |
Goalpara | -97% | -16% | -35% | -6% | -29% |
Golaghat | -68% | 0% | -14% | -24% | -13% |
Hailakandi | 45% | 8% | 4% | -14% | 4% |
Jorhat | -31% | -7% | -13% | 44% | -8% |
Kamrup (Rural) | -92% | -46% | -42% | 28% | -39% |
Kamrup (Metro) | -61% | -41% | -9% | 34% | -15% |
Karbi Anglong | -49% | -32% | -18% | 6% | -20% |
Karimganj | 33% | 11% | -12% | -22% | -5% |
Kokrajhar | -97% | -43% | -4% | 59% | -9% |
Lakhimpur | -35% | -32% | -25% | 48% | -23% |
Morigaon | -88% | -33% | -17% |
|
|
Nagaon | -68% | -50% | -39% | 21% | -37% |
Nalbari | -81% | -33% | -3% | 80% | -7% |
Sonitpur | -87% | -50% | -30% | 138% | -25% |
Sibsagar | -56% | 2% | -14% | -23% | -12% |
Tinsukia | 18% | -12% | 9% | -6% | 3% |
Udalguri | -35% | -36% | -25% | 72% | -21% |
Assam | -34% | -22% | -18% | 23% | -16% |
Source: Rainfall Statistics of India 2024
District-wise Monthly Rainfall in Assam, 2024:
(in mm)
District/State | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
Baksa | 0.0 | 18.3 | 115.5 | 84.1 | 158.9 | 718.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Barpeta | 3.4 | 6.5 | 46.2 | 89.2 | 254.9 | 949.7 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 |
Bongaigaon | 0.0 | 5.1 | 24.4 | 74.6 | 329.5 | 716.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Cachar | 0.0 | 75.7 | 73.0 | 439.7 | 523.9 | 495.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Chirang | 0.0 | 1.9 | 55.0 | 81.5 | 60.9 | 637.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Darrang | 0.0 | 5.9 | 27.3 | 56.0 | 114.4 | 263.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Dhemaji | 4.4 | 110.5 | 127.3 | 153.1 | 241.9 | 623.2 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
Dhubri | 0.2 | 1.0 | 41.8 | 26.7 | 304.4 | 1037.5 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
Dibrugarh | 4.8 | 48.1 | 33.7 | 169.6 | 211.3 | 462.0 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
Diam Hasao | 0.8 | 37.8 | 53.3 | 94.4 | 566.3 | 325.0 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Goalpara | 0.0 | 0.7 | 37.8 | 53.6 | 482.4 | 556.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Golaghat | 1.0 | 14.3 | 54.9 | 190.1 | 172.4 | 248.8 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Hailakandi | 0.0 | 62.2 | 30.8 | 280.4 | 525.7 | 643.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Jorhat | 1.4 | 39.6 | 44.1 | 187.6 | 211.3 | 362.6 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
Kamrup (Rural) | 0.8 | 1.7 | 28.6 | 50.4 | 197.3 | 326.3 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Kamrup (Metro) | 5.5 | 3.9 | 23.1 | 60.4 | 184.2 | 347.1 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
Karbi Anglong | 0.1 | 15.9 | 24.3 | 31.9 | 144.2 | 166.9 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Karimganj | 0.0 | 86.6 | 110.5 | 425.3 | 536.4 | 724.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Kokrajhar | 0.0 | 0.9 | 39.1 | 53.8 | 297.5 | 1043.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Lakhimpur | 2.9 | 50.5 | 66.1 | 99.5 | 218.7 | 499.6 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 |
Morigaon | 0.0 | 4.2 | 30.4 | 55.7 | 138.9 | 255.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Nagaon | 0.0 | 12.2 | 28.8 | 33.5 | 132.1 | 187.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Nalbari | 0.0 | 6.7 | 61.1 | 80.2 | 258.6 | 838.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Sonitpur | 0.5 | 4.5 | 29.9 | 54.9 | 147.7 | 332.1 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Sibsagar | 2.6 | 25.9 | 59.1 | 192.2 | 230.0 | 296.3 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
Tinsukia | 5.3 | 84.5 | 46.9 | 279.8 | 218.1 | 514.6 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
Udalguri | 0.9 | 21.6 | 63.2 | 60.8 | 190.5 | 435.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 |
Assam | 1.2 | 28.0 | 47.7 | 120.1 | 253.7 | 466.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
Source: Rainfall Statistics of India 2024
Percentage Departure of District-wise Monthly Rainfall in Assam, 2024:
District/State | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
Baksa | -100% | -16% | 76% | -60% | -54% | 44% | 1% | -39% | -68% | 87% | -99% | -100% |
Barpeta | -53% | -70% | -23% | -58% | -38% | 43% | -23% | -57% | -51% | 187% | -70% | -99% |
Bongaigaon | -100% | -66% | -64% | -67% | -24% | -4% | -44% | -43% | -55% | 79% | 84% | -100% |
Cachar | -100% | 60% | -54% | 42% | 32% | -5% | -1% | -16% | -32% | 46% | 10% | -100% |
Chirang | -100% | -93% | -5% | -60% | -86% | -5% | -42% | -62% | -49% | 113% | -48% | -100% |
Darrang | -100% | -78% | -55% | -71% | -61% | -38% | -50% | -80% | -99% | -91% | -100% | -100% |
Dhemaji | -81% | 97% | 36% | 3% | -21% | 17% | -46% | -47% | -52% | 83% | 15% | -97% |
Dhubri | -99% | -93% | -17% | -86% | -27% | 57% | -4% | -62% | -18% | 29% | 186% | -100% |
Dibrugarh | -80% | 4% | -67% | -20% | -21% | 24% | -28% | 9% | -21% | -7% | -97% | -95% |
Diam Hasao | -90% | 34% | -38% | -53% | 112% | -4% | -34% | -2% | -65% | -33% | -86% | -100% |
Goalpara | -100% | -95% | -24% | -76% | 17% | -7% | -32% | -62% | -57% | 6% | -85% | -100% |
Golaghat | -94% | -57% | -13% | 31% | -18% | -4% | 5% | -8% | -60% | 0% | -88% | -100% |
Hailakandi | -100% | 76% | -75% | 16% | 29% | 43% | -21% | 4% | -24% | 4% | -74% | -61% |
Jorhat | -93% | 1% | -35% | 10% | -11% | 23% | 3% | -30% | -54% | 103% | -96% | -100% |
Kamrup (Rural) | -94% | -92% | -45% | -71% | -31% | -16% | -45% | -51% | -69% | 29% | 107% | -100% |
Kamrup (Metro) | -23% | -77% | -50% | -66% | -20% | 13% | -34% | 17% | -35% | 47% | -40% | -97% |
Karbi Anglong | -99% | -23% | -51% | -69% | 4% | -21% | -21% | 10% | -45% | 27% | -92% | 14% |
Karimganj | -100% | 59% | -35% | 41% | 8% | 12% | -32% | -8% | -25% | -3% | -100% | -100% |
Kokrajhar | -100% | -95% | -9% | -73% | -32% | 33% | 3% | -62% | -6% | 52% | 154% | -100% |
Lakhimpur | -90% | -5% | -12% | -43% | -31% | -5% | -13% | -44% | -48% | 87% | -94% | -83% |
Morigaon | -100% | -81% | -35% | -53% | -20% | -11% | -16% | -2% | -46% | 10% | -100% |
|
Nagaon | -100% | -50% | -43% | -76% | -33% | -28% | -49% | -28% | -51% | 44% | -56% | -100% |
Nalbari | -100% | -73% | -2% | -59% | -25% | 73% | -5% | -55% | -65% | 119% | -70% | -100% |
Sonitpur | -97% | -81% | -36% | -65% | -43% | 5% | -41% | -29% | -66% | 202% | -82% | -100% |
Sibsagar | -88% | -40% | -27% | 18% | 2% | 3% | -13% | -19% | -32% | 1% | -89% | -100% |
Tinsukia | -80% | 68% | -64% | 28% | -19% | 40% | 13% | -5% | -19% | 14% | -76% | -82% |
Udalguri | -93% | 0% | 71% | -60% | -36% | -3% | -46% | 9% | -78% | 124% | -95% | -17% |
Assam | -91% | -8% | -34% | -34% | -12% | 12% | -21% | -29% | -46% | 46% | -58% | -83% |
Source: Rainfall Statistics of India 2024
Month-wise Total Rainfall for some locations in Assam, 2022 (Period: 01-01-2022 to 31-12-2022) and 2023 (Period: 01-01-2023 to 31-08-2024):
(in mm)
2023-2024 | ||||||
Month | Station | |||||
Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Silchar | |
January'23 | 0 | 5.2 | 0 | 0 | 0 | 0 |
February'23 | 14.2 | 88.2 | 36.4 | 4.5 | 40.5 | 0.8 |
March'23 | 136.3 | 173.9 | 120.4 | 113.2 | 86 | 48.6 |
April'23 | 95.4 | 171.7 | 107.8 | 80.3 | 142 | 233.5 |
May'23 | 116.6 | 242.5 | 118.3 | 220.8 | 142.7 | 234.4 |
June'23 | 339.2 | 312.6 | 408.6 | 713.2 | 344.1 | 675.1 |
July'23 | 159.2 | 372 | 265.9 | 324.8 | 282.4 | 319.1 |
August'23 | 150.6 | 401.1 | 256.2 | 351.1 | 186.3 | 409.7 |
September'23 | 139.2 | 171.6 | 87.6 | 101.9 | 125.9 | 179.7 |
October'23 | 245.7 | 124.5 | 143.5 | 86.8 | 129.3 | 59.7 |
November'23 | 0.8 | 9.8 | 2.5 | 3.2 | 19.4 | 94.8 |
December'23 | 4.6 | 10.8 | 4.7 | 14.9 | 37.4 | 38.8 |
January'24 | 3.8 | 0.7 | 0 | 0 | 1 | 0 |
February'24 | 4 | 60.7 | 3.4 | 2.8 | 26.8 | 98.8 |
March'24 | 27.8 | 62.3 | 44.2 | 46.3 | 51.6 | 83.3 |
April'24 | 48.8 | 147.5 | 104.4 | 3.6 | 170.6 | 508.2 |
May'24 | 144.6 | 171.4 | 200 | 261.8 | 214.9 | 630.4 |
June'24 | 371.4 | 620.3 | 380.8 | 880.8 | 366 | 568.1 |
July'24 | 168.8 | 423.8 | 218.4 | 562.8 | 391.7 | 357.4 |
August'24 | 226 | 300.2 | 205.2 | 148.8 | 200.2 | 377 |
2022 | ||||||
Month | Station | |||||
Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Silchar | |
January | 31.6 | 26.9 | 25.8 | 5.4 | 22.9 | 23.5 |
February | 50.4 | 60.1 | 50.4 | 76.0 | 48.5 | 47.6 |
March | 5.3 | 80.9 | 36.7 | 19.8 | 42.6 | 122.9 |
April | 103.4 | 455.4 | 327.7 | 452.4 | 230.6 | 267.3 |
May | 293.4 | 372.8 | 360.4 | 509.4 | 202.9 | 784.4 |
June | 499.8 | 643.6 | 379.2 | 1065.3 | 321.8 | 906.7 |
July | 168.8 | 345.4 | 268.6 | 143.8 | 245.8 | 508.2 |
August | 152.8 | 313.4 | 100.8 | 170.0 | 167.1 | 105.7 |
September | 81.4 | 218.5 | 173.0 | 179.4 | 308.5 | 443.5 |
October | 155.6 | 253.3 | 133.9 | 382.8 | 235.1 | 163.6 |
November | 0 | 0 | 0 | 0 | 0 | 4.0 |
December | 0 | 30.0 | 5.9 | 0 | 0.9 | 4.5 |
Source: Statistical Handbook Assam 2023 and 2024
Month-wise relative humidity at 0830 Hrs and 1730 Hrs for some locations in Assam, 2022 and 2023:
(in %)
2023 | ||||||||||||
Month | Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Silchar | ||||||
0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | |
January | 88 | 74 | 83 | 81 | 76 | 73 | 96 | 74 | 88 | 81 | 85 | 70 |
February | 80 | 65 | 86 | 89 | 77 | 69 | 86 | 67 | 86 | 77 | 82 | 60 |
March | 76 | 60 | 80 | 84 | 71 | 64 | 81 | 65 | 83 | 72 | 79 | 62 |
April | 74 | 63 | 75 | 73 | 68 | 64 | 76 | 61 | 79 | 72 | 76 | 64 |
May | 74 | 65 | 81 | 74 | 71 | 65 | 79 | 72 | 77 | 73 | 77 | 69 |
June | 84 | 78 | 83 | 80 | 83 | 76 | 88 | 83 | 85 | 78 | 87 | 82 |
July | 82 | 78 | 88 | 80 | 83 | 78 | 86 | 82 | 86 | 78 | 86 | 76 |
August | 80 | 82 | 88 | 81 | 85 | 79 | 89 | 86 | 88 | 82 | 89 | 84 |
September | 80 | 81 | 79 | 75 | 80 | 76 | 86 | 84 | 82 | 81 | 84 | 74 |
October | 83 | 81 | 78 | 77 | 77 | 80 | 88 | 82 | 84 | 87 | 87 | 80 |
November | 81 | 77 | 68 | 74 | 69 | 76 | 82 | 74 | 85 | 86 | 85 | 77 |
December | 89 | 79 | 77 | 77 | 75 | 76 | 89 | 76 | 90 | 90 | 88 | 78 |
2022 | ||||||||||||
Month | Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Sichar | ||||||
0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | 0830 hrs | 1730 hrs | |
January | 87 | 72 | 79 | 75 | 79 | 75 | 92 | 72 | 89 | 80 | 88 | 78 |
February | 80 | 64 | 79 | 68 | 74 | 72 | 86 | 70 | 84 | 71 | 84 | 70 |
March | 67 | 53 | 67 | 60 | 64 | 63 | 76 | 59 | 75 | 66 | 78 | 64 |
April | 84 | 75 | 87 | 84 | 86 | 79 | 88 | 83 | 89 | 83 | 84 | 73 |
May | 79 | 77 | 84 | 78 | 81 | 79 | 85 | 81 | 83 | 78 | 88 | 80 |
June | 87 | 83 | 91 | 86 | 90 | 86 | 92 | 88 | 89 | 86 | 93 | 91 |
July | 79 | 78 | 84 | 73 | 85 | 79 | 83 | 80 | 86 | 74 | 86 | 72 |
August | 79 | 77 | 86 | 76 | 82 | 79 | 86 | 92 | 82 | 75 | 83 | 74 |
September | 82 | 81 | 88 | 81 | 84 | 81 | 89 | 84 | 86 | 83 | 86 | 82 |
October | 85 | 82 | 83 | 84 | 83 | 85 | 89 | 86 | 88 | 88 | 85 | 78 |
November | 79 | 77 | 66 | 74 | 65 | 79 | 88 | 86 | 83 | 83 | 80 | 72 |
December | 87 | 80 | 79 | 82 | 76 | 76 | 92 | 75 | 88 | 85 | 87 | 77 |
Source: Statistical Handbook Assam 2023 and 2024
Month-wise Mean Maximum and Minimum Temperature for some Locations in Assam, 2022 and 2023:
(in Degree Celsius)
2023 | ||||||||||||
Month | Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Silchar | ||||||
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | |
January | 26.0 | 11.0 | 24.5 | 9.7 | 24.6 | 11.9 | 22.7 | 12.4 | 24.1 | 8.7 | 25.8 | 12.8 |
February | 28.2 | 14.9 | 25.0 | 13.4 | 26.3 | 15.7 | 26.1 | 16.1 | 25.3 | 13.1 | 28.5 | 15.8 |
March | 30.4 | 17.5 | 26.7 | 15.8 | 28.6 | 18.3 | 29.7 | 19.3 | 27.0 | 15.3 | 30.9 | 18.6 |
April | 32.8 | 20.0 | 29.2 | 18.6 | 30.9 | 20.8 | 32.2 | 21.9 | 29.4 | 18.7 | 33.2 | 21.1 |
May | 33.2 | 22.1 | 29.3 | 20.1 | 32.3 | 22.7 | 32.1 | 23.3 | 30.5 | 20.8 | 33.5 | 23.9 |
June | 33.5 | 24.9 | 31.9 | 23.6 | 32.6 | 24.9 | 31.1 | 25.6 | 31.9 | 24.0 | 32.6 | 25.0 |
July | 34.4 | 26.1 | 31.5 | 24.3 | 33.3 | 25.8 | 32.0 | 27.3 | 32.7 | 24.9 | 34.1 | 26.0 |
August | 33.8 | 25.9 | 31.5 | 24.7 | 33.9 | 25.4 | 34.1 | 25.3 | 37.6 | 22.2 | 38.4 | 23.0 |
September | 35.2 | 25.5 | 34.3 | 24.8 | 35.1 | 25.7 | 32.6 | 27.3 | 34.2 | 25.1 | 35.3 | 26.5 |
October | 32.3 | 22.7 | 31.3 | 20.9 | 31.6 | 21.5 | 29.7 | 23.8 | 31.6 | 21.1 | 32.3 | 24.3 |
November | 30.5 | 17.5 | 29.7 | 15.1 | 29.8 | 16.8 | 28.1 | 19.6 | 28.9 | 15.2 | 31.0 | 19.8 |
December | 27.2 | 13.9 | 26.6 | 11.6 | 26.5 | 15.3 | 24.9 | 16.0 | 25.3 | 11.8 | 27.5 | 17.3 |
2022 | ||||||||||||
Month | Guwahati | Mohanbari | Tezpur | Dhubri | Jorhat | Sichar | ||||||
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | |
January | 25.2 | 11.5 | 23.8 | 10.2 | 24.4 | 12.3 | 22.7 | 13.3 | 23.3 | 9.7 | 25.2 | 14.0 |
February | 25.1 | 11.0 | 23.4 | 10.8 | 24.3 | 12.8 | 22.6 | 13.7 | 23.6 | 10.2 | 25.9 | 13.4 |
March | 33.7 | 18.3 | 30.7 | 16.9 | 32.5 | 19.3 | 31.7 | 20.9 | 30.8 | 16.1 | 33.3 | 19.5 |
April | 30.3 | 21.5 | 26.4 | 18.7 | 27.9 | 21.2 | 28.1 | 22.1 | 27.0 | 19.2 | 32.1 | 22.8 |
May | 32.2 | 23.6 | 29.6 | 21.7 | 30.8 | 24.0 | 29.9 | 23.5 | 30.5 | 22.1 | 30.8 | 23.6 |
June | 31.8 | 25.4 | 30.1 | 23.9 | 31.1 | 25.4 | 29.8 | 25.0 | 31.1 | 24.0 | 30.0 | 24.9 |
July | 35.4 | 26.5 | 33.5 | 25.3 | 33.8 | 26.9 | 33.4 | 27.5 | 33.4 | 27.9 | 34.6 | 26.4 |
August | 35.2 | 26.7 | 33.6 | 25.3 | 34.2 | 27.1 | 32.9 | 27.2 | 33.9 | 25.1 | 34.3 | 26.5 |
September | 34.2 | 25.7 | 31.4 | 24.0 | 32.8 | 25.9 | 31.4 | 26.2 | 32.4 | 24.0 | 33.0 | 25.7 |
October | 31.7 | 22.6 | 29.8 | 20.9 | 31.0 | 22.9 | 29.5 | 23.7 | 30.4 | 21.4 | 32.2 | 24.1 |
November | 30.3 | 17.3 | 29.4 | 14.2 | 29.4 | 16.8 | 27.2 | 18.8 | 28.9 | 14.1 | 30.6 | 18.9 |
December | 27.3 | 14.1 | 26.1 | 11.9 | 26.2 | 14.7 | 24.7 | 15.7 | 25.8 | 11.4 | 27.5 | 15.8 |
Source: Statistical Handbook Assam 2023 and 2024
Year-wise Average monthly Rainfall in Assam, 2015 to 2024:
(in mm.)
Year | Jan | Feb | March | April | May | June | July | Aug | Sept. | Oct | Nov | Dec | State Average | |
2015 | Actual | 10.8 | 14.3 | 26.2 | 232.0 | 300.3 | 457.9 | 280.2 | 461.0 | 205.1 | 56.9 | 15.5 | 17.6 | 2077.8 |
Normal | 16.2 | 32.0 | 78.1 | 172.9 | 304.2 | 427.3 | 454.2 | 356.7 | 285.7 | 131.8 | 24.9 | 11.8 | 2295.8 | |
2016 | Actual | 18.6 | 20.8 | 67.1 | 325.9 | 326.2 | 300.8 | 396.0 | 168.5 | 272.3 | 100.3 | 40.3 | 5.4 | 2042.2 |
Normal | 16.2 | 32.0 | 78.1 | 172.9 | 304.2 | 427.3 | 454.2 | 356.7 | 285.7 | 131.8 | 24.9 | 11.8 | 2295.8 | |
2017 | Actual | 1.1 | 42.0 | 100.1 | 286.6 | 250.4 | 375.2 | 376.5 | 380.2 | 314.6 | 192.8 | 9.3 | 10.0 | 2338.8 |
Normal | 16.2 | 32.0 | 78.1 | 172.9 | 304.2 | 427.3 | 454.2 | 356.6 | 285.4 | 131.8 | 24.9 | 11.8 | 2295.4 | |
2018 | Actual | 5.5 | 15.7 | 75.7 | 140.5 | 264.0 | 366.9 | 686.6 | 948.6 | 335.9 | 51.7 | 21.0 | 25.3 | 2937.4 |
Normal | 15.7 | 31.7 | 77.8 | 181.3 | 333.9 | 465.2 | 960.0 | 1337.4 | 303.8 | 136.5 | 22.0 | 11.4 | 3876.7 | |
2019 | Actual | 2.7 | 28.2 | 45.5 | 171.5 | 402.4 | 350.6 | 634.8 | 201.3 | 308.3 | 84.5 | 10.4 | 2.5 | 2251.7 |
Normal | 15.7 | 31.7 | 77.8 | 190.3 | 310.6 | 452.9 | 479.2 | 368.0 | 284.5 | 93.6 | 22.0 | 10.4 | 2337.0 | |
2020 | Actual | 17.5 | 15.7 | 22.8 | 124.7 | 407.9 | 597.9 | 581.4 | 271.5 | 427.8 | 164.6 | 20.1 | 1.1 | 2652.7 |
Normal | 15.1 | 32.7 | 77.7 | 190.3 | 310.6 | 452.9 | 479.2 | 368.0 | 284.5 | 133.2 | 22.1 | 10.4 | 2377.0 | |
2021 | Actual | 11.1 | 2.8 | 38.4 | 70.8 | 214.0 | 381.4 | 288.0 | 296.7 | 966.1 | 120.2 | 3.9 | 9.5 | 2402.9 |
Normal | 15.6 | 32.9 | 75.4 | 180.3 | 287.9 | 412.5 | 452.2 | 336.3 | 1201.0 | 126.7 | 22.5 | 8.1 | 3151.4 | |
2022 | Actual | 23.5 | 52.3 | 44.3 | 318.1 | 253.6 | 673.7 | 350.3 | 207.0 | 185.9 | 193.0 | 0.1 | 5.3 | 192.3 |
Normal | 14.2 | 30.0 | 72.6 | 181.6 | 288.6 | 416.5 | 442.7 | 336.0 | 278.9 | 122.3 | 21.8 | 10.7 | 184.7 | |
2023 | Actual | 0.5 | 26.1 | 88.7 | 108.3 | 137.9 | 443.4 | 275.2 | 313.0 | 151.6 | 114.5 | 17.3 | 17.2 | 141.1 |
Normal | 14.2 | 30.0 | 72.6 | 181.6 | 288.6 | 416.5 | 442.7 | 336.0 | 278.9 | 122.3 | 21.8 | 10.7 | 184.7 | |
2024 | Actual | 1.3 | 28.0 | 47.6 | 120.1 | 253.6 | 466.2 | 350.3 | 216.3 | NA | NA | NA | NA | 185.4 |
Normal | 14.2 | 30.0 | 72.6 | 181.6 | 288.6 | 416.5 | 442.7 | 294.7 | NA | NA | NA | NA | 217.6 | |
Source: Statistical Handbook Assam 2023 and 2024