Weather in Gangtok, Sikkim
Gangtok, India is a growing city in the state of Sikkim. Sitting at roughly 27.3°N, it falls in the semi-arid to humid subtropical climate zone.
Climate Overview
Central India receives substantial monsoon rainfall from June to September, with the Western Ghats creating a rain shadow effect on the eastern side. Temperatures in Gangtok range from moderate winters to warm or hot summers, depending on elevation and proximity to the coast. Weather here is dominated by seasonal monsoon patterns, which bring the bulk of annual rainfall.
Weather by season in Gangtok
Gangtok's year divides into four broad seasons. The southwest monsoon normally arrives around 23 June. Daytime figures below are typical lowland values for this latitude — hill stations sit markedly cooler.
- Winter (Dec–Feb): days around 26°C, nights around 10°C. Dry and clear, with cold mornings and occasional fog.
- Summer / pre-monsoon (Mar–Jun): days around 42°C, nights around 27°C. Hot, dry and dusty — heatwave conditions are common at the peak.
- Monsoon (Jul–Sep): days around 33°C, nights around 25°C. Frequent rain and high humidity; the wettest part of the year.
- Post-monsoon (Oct–Nov): days around 32°C, nights around 18°C. Skies clear and temperatures ease — comfortable and settled.
Today's Weather in Gangtok
Live conditions in Gangtok — temperature, "feels like" reading, wind, humidity and AQI — are refreshed hourly at the top of this page.
Hourly Forecast
Use the hour-by-hour forecast to spot rain windows, peak heat and overnight lows for Gangtok. Each hour shows temperature, wind, humidity and chance of rain.
7-Day Weather Forecast for Gangtok
For the week ahead in Gangtok, see daily highs, lows and rain chance in our extended forecast section above.
Air Quality in Gangtok
Air quality in Gangtok is measured using the European Air Quality Index, with PM2.5 and PM10 particulate matter readings displayed alongside the live forecast. Local air quality varies based on seasonal agricultural burning, industrial activity and weather patterns.
Quick facts about Gangtok
Gangtok has a population of about 1,00,286; sits at 27.34°N; and is in India; its monsoon typically arrives in mid-June.
Common spellings
Local search audiences in Sikkim often type the weather query in Nepali (नेपाली). The Nepali word for weather is मौसम, commonly transliterated as mausam, mosam. The Hindi मौसम (mausam, mosam, mausham) is also widely used across Gangtok. All refer to the same thing — current weather, today's temperature and the forecast you'll find on this page.
Nearby Cities in Sikkim
Explore weather forecasts for other cities in Sikkim. See the "More in Sikkim" section above, or browse the full list on our states page.