District-wise Seasonal and Annual Rainfall, 2019:
(in mm)
District | Winter | Pre-Monsoon | SW-Monsoon | Post-Monsoon | Annual |
East Sikkim | 51.3 | 734.4 | 1743.3 | 84.8 | 2613.8 |
North Sikkim | 118.4 | 835.1 | 2030.6 | 123.5 | 3107.6 |
South Sikkim | 63.9 | 517.5 | 1342.9 | 128.7 | 2052.9 |
West Sikkim | 37.2 | 388.6 | 1457.4 | 69.6 | 1952.9 |
Sikkim | 90.3 | 714.6 | 1825.1 | 110 | 2740 |
Source: Rainfall Statistics of India 2019
Percentage Departure of District-wise Seasonal and Annual Rainfall, 2019:
District | Winter | Pre-Monsoon | SW-Monsoon | Post-Monsoon | Annual |
East Sikkim | -30% | 16% | -1% | -54% | -2% |
North Sikkim | -9% | 25% | 36% | -48% | 23% |
South Sikkim | -44% | -19% | -35% | -40% | -32% |
West Sikkim | -20% | 8% | -8% | -57% | -10% |
Sikkim | 0.36% | -0.15% | -0.05% | 0.09% | -0.06% |
Source: Rainfall Statistics of India 2019
District-wise Monthly Rainfall, 2019:
(in mm)
District | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
East Sikkim | 2.1 | 49.2 | 102.1 | 203 | 429.4 | 384.7 | 657.7 | 363.9 | 337 | 70.1 | 3.2 | 11.5 |
North Sikkim | 25.7 | 92.7 | 236.2 | 155.3 | 443.7 | 531.4 | 588 | 351.4 | 559.8 | 88.7 | 8.5 | 26.3 |
South Sikkim | 5.6 | 58.3 | 73.1 | 202.7 | 241.8 | 221.7 | 503.4 | 164.8 | 453 | 109.3 | 5.3 | 14.1 |
West Sikkim | 4 | 33.2 | 40 | 176.5 | 172.1 | 147.3 | 640.8 | 315 | 354.3 | 49.1 | 2.5 | 18 |
Sikkim | 16.8 | 73.5 | 168.7 | 170.2 | 375.8 | 415.8 | 597.1 | 327.4 | 484.8 | 81.9 | 6.5 | 21.7 |
Source: Rainfall Statistics of India 2019
Year-wise and Month-wise North District Rainfall, 2010 to 2017:
| Year | January | February | March | April | May | June | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
| 2010 | - | - | - | - | - | - | - | - | 424.9 | 21 | 582.8 | 8 |
2011 | 31.8 | -48 | 72.4 | -26 | 79.7 | -60 | 150.3 | -37 | 190.8 | -46 | 393.8 | -22 |
2012 | 96.4 | 56 | 39.5 | -60 | 208.3 | 4 | 365.3 | 53 | 139.7 | -61 | 599.2 | 19 |
2013 | 9.6 | -84 | 62.8 | -36 | 120.8 | -39 | 200.5 | -16 | 615.5 | 73 | 313.6 | -38 |
2014 | 0 | -100 | 29.8 | -70 | 163 | -18 | 194.4 | -18 | 417 | 17 | 651.6 | 30 |
2015 | 22.0 | -64 | 34.0 | -65 | 180.6 | -9 | 239.4 | 0 | 498.4 | 40 | 796.4 | 58 |
2016 | 81.8 | 33 | 34.9 | -65 | 306.8 | 54 | 226.7 | -5 | 383.7 | 8 | 548 | 9 |
2017 | 7.7 | -77 | 9.0 | -84 | 112.3 | 82 | 266.1 | 52 | 315.7 | 8 | 318.3 | -31 |
Continued
| Year | July | August | September | October | November | December | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
| 2010 | 531.6 | 10 | 599.1 | 30 | 329.1 | 6 | 106.7 | -52 | 111.8 | 131 | 11.2 | -65 |
2011 | 442.8 | -10 | 397.2 | -7 | 261.5 | -33 | 126.8 | -52 | 68.8 | 58 | 12.4 | -45 |
2012 | 595.9 | 22 | 316.2 | -26 | 785.4 | 102 | 302.4 | 14 | 0.0 | -100 | 17.5 | -22 |
2013 | 530.2 | 8 | 301.8 | -30 | 310.3 | -20 | 226.7 | -14 | 82.4 | 89 | 10.4 | -54 |
2014 | 605.1 | 24 | 629.8 | 47 | 297.5 | -24 | 36.7 | -86 | 25.2 | -42 | 13.6 | -39 |
2015 | 393.6 | -20 | 664.7 | 55 | 320.2 | -18 | 102.8 | -61 | 59.0 | 36 | 37.5 | 67 |
2016 | 487.3 | 0 | 301.6 | -30 | 638.1 | 64 | 139.8 | -47 | 0.0 | -100 | 0.0 | -100 |
2017 | 485.7 | -5 | 400.6 | -9 | 274.5 | -26 | 83.3 | -46 | 6.5 | -6.5 | 0.0 | -100 |
Note: The district rainfall in millimeters (R/F) shown the arithmetic averages of Rainfall of Stations under the District.
% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.
Blank spaces show non-availability of Data
Source: ENVIS Centre, Sikkim
Year-wise and Month-wise East District Rainfall, 2009 to 2017:
| Year | January | February | March | April | May | June | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
2009 | 5.7 | -87 | 4.2 | -95 | 87.3 | -36 | 251.7 | 24 | 335.4 | -1 | 355.4 | -37 |
2010 | 5.7 | -87 | 18.0 | -78 | 186.7 | 80 | 359.4 | 98 | 272.7 | -17 | 504.6 | -15 |
2011 | 21.6 | -36 | 40.5 | -28 | 68.5 | 11 | 14.7 | -17 | 278.8 | -4 | 515.9 | 11 |
2012 | 17.8 | -47 | 21.5 | -62 | 28.4 | -54 | 312.2 | 78 | 201.6 | -31 | 614.4 | 32 |
2013 | 4.3 | -87 | 32.1 | -43 | 127.7 | 107 | 256.1 | 46 | 409.0 | 40 | 382.6 | -18 |
2014 | 0 | -100 | 5.4 | -90 | 68.2 | 11 | 96.7 | -45 | 441.4 | 51 | 472.7 | 2 |
2015 | 7.4 | -78 | 17.4 | -69 | 73.3 | 19 | 270.3 | 54 | 387.8 | 33 | 603.1 | 30 |
2016 | 15.2 | -55 | 7.4 | -87 | 125.3 | 103 | 220.4 | 26 | 338.7 | 16 | 391.1 | -16 |
2017 | 7.7 | -77 | 9.0 | -84 | 112.3 | 82 | 266.1 | 52 | 315.7 | 8 | 318.3 | -31 |
Continued
| Year | July | August | September | October | November | December | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
| 2009 | 408.6 | -29 | 454.1 | -12 | 180.1 | -51 | 201.6 | 5 | 1.7 | -96 | 5.4 | -81 |
2010 | 601.0 | -10 | 493.8 | -13 | 375.8 | -12 | 95.6 | -42 | 23.6 | -20 | 0.1 | -100 |
2011 | 587.3 | 15 | 459.1 | 4 | 376.7 | 6 | 44.9 | -71 | 60.8 | 230 | 2.3 | -88 |
2012 | 481.3 | -5 | 442.2 | 0 | 410.9 | 15 | 72.4 | -53 | 0.1 | -99 | 1.0 | -95 |
2013 | 412.1 | -19 | 325.1 | -26 | 195.5 | -45 | 191.8 | 24 | 40.7 | 121 | 7.9 | -59 |
2014 | 478.7 | -6 | 522.3 | 18 | 273 | -23 | 16.7 | -89 | 2.4 | -87 | 4.2 | -78 |
2015 | 561.0 | 10 | 184.7 | -35 | 316.1 | -11 | 99.6 | -36 | 55.8 | 203 | 1.0 | -95 |
2016 | 569.1 | 12 | 213.3 | -52 | 348.2 | -2 | 98.2 | -37 | 0.1 | -99 | 0.4 | -98 |
2017 | 485.7 | -5 | 400.6 | -9 | 274.5 | -23 | 83.3 | -46 | 6.5 | -65 | 0.0 | -100 |
Note: The district rainfall in millimeters (R/F) shown the arithmetic averages of Rainfall of Stations under the District.
% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.
Blank spaces show non-availability of Data
Source: ENVIS Centre, Sikkim
Year-wise and Month-wise West District Rainfall, 2011 to 2017:
| Year | January | February | March | April | May | June | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
2011 | - | - | - | - | - | - | - | - | - | - | - | - |
2012 | 16.0 | -74 | 5.0 | -95 | 21.0 | -89 | 126.0 | -47 | 240.0 | -32 | 486.0 | -3 |
2013 | 8.0 | -87 | 43.0 | -56 | 79.0 | -60 | 155.0 | -35 | 354.0 | 0 | 241.0 | -52 |
2014 | 0 | -100 | 1.3 | -99 | 41.3 | -79 | 59.8 | -75 | 204 | -43 | 543.3 | 8 |
2015 | 7.0 | -89 | 23.5 | -76 | 38.5 | -81 | 121.0 | -49 | 240.5 | -32 | 446.6 | -11 |
2016 | 11.2 | -82 | 4.5 | -95 | 70.0 | -65 | 84.5 | -65 | 234.5 | -34 | 401.7 | -20 |
2017 | - | - | - | - | - | - | 77.1 | -68 | 181.7 | -49 | 278.0 | -45 |
Continued
| Year | July | August | September | October | November | December | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
2011 | 85.5 | -83 | 449.0 | 5 | 241.0 | -38 | 57.0 | -78 | 38.0 | -13 | 6.0 | -73 |
2012 | 376.0 | -23 | 520.0 | 21 | 548.0 | 41 | 81.0 | -69 | 0.0 | -100 | 10.0 | -55 |
2013 | 583.0 | 19 | 459.2 | 7 | 374.5 | -4 | 153.0 | -42 | 3.2 | -93 | 8.7 | -61 |
2014 | 204.7 | -58 | 439 | 3 | 109 | -72 | 66.5 | -75 | 6 | -86 | 1.7 | -92 |
2015 | 351.0 | -28 | 273.0 | -36 | 466.5 | 20 | 56.0 | -79 | 1.0 | -98 | 4.0 | -82 |
2016 | 501.5 | 2 | 176.7 | -59 | 585.1 | 50 | 110.5 | -58 | 0.0 | -100 | 0.0 | -100 |
2017 | 642.4 | 31 | 602.6 | 41 | 602.1 | 55 | 69.2 | -74 | 6.2 | -86 | 0.0 | -100 |
Note: The district rainfall in millimeters (R/F) shown the arithmetic averages of Rainfall of Stations under the District.
% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.
Blank spaces show non-availability of Data
Source: ENVIS Centre, Sikkim
Year-wise and Month-wise South District Rainfall, 2010 to 2017:
| Year | January | February | March | April | May | June | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
2010 | - | - | - | - | - | - | - | - | 130.0 | -60 | 346.7 | -41 |
2011 | 11.5 | -66 | 5.4 | -90 | 90.4 | 47 | 117 | -33 | 152.7 | -48 | 308.5 | -34 |
2012 | 10.1 | -70 | 3.6 | -94 | 9.1 | -85 | 122 | -31 | 187.5 | -36 | 367.2 | -21 |
2013 | 4.0 | -88 | 25.7 | -54 | 66.2 | 7 | 111 | -37 | 263.8 | -10 | 288.4 | -38 |
2014 | 0 | -100 | 5.6 | -90 | 54.6 | -12 | 10 | -94 | 164.7 | -44 | 279.3 | -40 |
2015 | 2.4 | -93 | 9.2 | -84 | 74.4 | 21 | 155.0 | 12 | 269.9 | -7 | 394.8 | -15 |
2016 | 15.2 | -55 | 2.1 | -96 | 30.5 | -51 | 30.4 | -83 | 234.8 | -19 | 348.2 | -17 |
2017 | 5.6 | -83 | 0.0 | -100 | 69.0 | 12 | 147.9 | -16 | 229.0 | -21 | 156.7 | -66 |
Continued
| Year | July | August | September | October | November | December | ||||||
| R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | R/F | % Dep. | |
2010 | 547.4 | -18 | 378.8 | -33 | 528.7 | 24 | 93.1 | -44 | 0.2 | -99 | 0.00 | -100 |
2011 | 663.3 | 30 | 513.4 | 16 | 318.2 | -11 | 13.9 | -91 | 28.6 | 55 | 1.0 | -95 |
2012 | 372.1 | -27 | 359.7 | -18 | 385.1 | 8 | 16.9 | -89 | 0.0 | -100 | 0.0 | -100 |
2013 | 297.8 | -41 | 339.6 | -23 | 189.2 | -47 | 141.5 | -9 | 2.2 | -88 | 13.5 | -30 |
2014 | 391.1 | -23 | 651.4 | 48 | 353.5 | -1 | 44.1 | -71 | 0 | -100 | 1.6 | -92 |
2015 | 625.8 | 23 | 377.3 | -14 | 448.5 | 26 | 84.0 | -46 | 30.0 | 63 | 3.8 | -80 |
2016 | 629.2 | 24 | 175.1 | -60 | 359.9 | 1 | 127.6 | -18 | 0.0 | -100 | 1.8 | -91 |
2017 | 497.5 | -2 | 373.0 | -15 | 425.2 | 19 | 75.2 | -51 | 7.0 | -62 | 0.0 | -100 |
Note: The district rainfall in millimeters (R/F) shown the arithmetic averages of Rainfall of Stations under the District.
% Dep. are the Departures of rainfall from the long period averages of rainfall for the district.
Blank spaces show non-availability of Data
Source: ENVIS Centre, Sikkim