Spring (March–May): Average 52–60°F, mild climate with gradually increasing rainfall. March temperatures are lower, while May temperatures begin to rise. Popular activities: Hiking, admiring rhododendrons and other mountain wildflowers. Recommended clothing: Light jacket, long-sleeved shirt, comfortable walking shoes.
Summer (June–August): Average 64–66°F, humid and hot climate with heavy rainfall, especially in June. Popular activities: Escaping the heat at higher altitudes, visiting temples, enjoying waterfalls at lower elevations. Recommended clothing: Light and breathable clothing, rain gear, comfortable shoes.
Autumn (September–November): Average 64–52°F, comfortable climate with decreasing rainfall. September remains relatively humid, while November is much drier. Popular activities: Hiking, enjoying autumn scenery. Recommended clothing: Light jacket, long-sleeved shirt, comfortable walking shoes.
Winter (December–February): Average 46–44°F, cold and dry climate with little rainfall. Popular activities: Visiting city attractions, enjoying indoor activities. Recommended clothing: Warm jacket, sweater, scarf, hat, gloves.
Weather in Sikkim
Annual average temperature: approx. 55.4°F / Annual rainfall: approx. 3612 mm / Summer humidity: 75%–85% / Rainiest month: June
Sikkim weather by month
Month
Air temperature (°F)
Precipitation (mm)
January
43.2°F
68.2
February
44.8°F
168.7
March
52.9°F
178.7
April
58.1°F
242.3
May
61°F
272.4
June
64.6°F
723.2
July
66.2°F
584.8
August
65.7°F
587.5
September
64.2°F
443.3
October
58.5°F
273.2
November
52.2°F
33
December
46.8°F
36.8
7-day weather forecast for Sikkim
10/27
Tuesday
Sunny
49.9°F/15.8°F
10/28
Wednesday
Overcast
50.2°F/18.7°F
10/29
Thursday
Heavy snow
42.2°F/25.5°F
10/30
Friday
Heavy snow
38.4°F/25.7°F
10/31
Saturday
Heavy snow
42.6°F/21.9°F
11/1
Sunday
Partly Cloudy
42.4°F/17°F
11/2
Monday
Partly Cloudy
39.3°F/14.3°F
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