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Mean Monthly Meteorological Parameters of Gangtok
Station: M.O Gangtok
Latitude: 27°20' N          Longitude: 88°38' E
Height: 1765 m ASL
Month Mean Air Temperature (°C) Rainfall(mm)

Relative Humidity at 0830 IST (in %)

Mean Wind Speed(kmph)
Daily Max Daily Min Monthly total No. of rainy days
January
 13.5 04.3 040.4 3.2 86 2.2
February
 14.9 05.7 050.2 5.2 84 2.6
March
 19.5 08.9 127.1 8.0 71 3.8
April
 21.8 11.9 270.5 13.7 78 4.1
May
 22.0 13.7 534.7 22.3 88 3.4
June
 22.5 16.0 650.4 24.6 94 2.1
July
 22.6 16.8 666.4 27.0 95 1.8
August
 22.7 16.5 578.2 26.3 95 1.8
September
 22.3 15.5 429.3 20.9 94 1.8
October
 21.7 12.3 180.3 8.6 86 2.7
November
 18.6 08.7 035.8 3.1 81 2.3
December
 15.3 05.6 017.2 1.8 80 1.9