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Mausam Online

🇮🇳 Weather in Sikkim

1 city

Gangtok
 

Weather in Sikkim

Sikkim is home to 1 cities tracked on Mausam Online, including Gangtok. Live weather, hourly forecasts and air-quality data are available for every city.

Climate & seasons

Eastern and northeastern India receive the highest rainfall in the country. Sikkim experiences the southwest monsoon from June to September with frequent heavy downpours. Brahmaputra basin flooding is a regular concern.

When to visit Sikkim

Plan trips between October and March for the most pleasant weather. Summer (April–June) can be punishing. The monsoon delivers heavy rain but turns landscapes vivid green.

Air quality in Sikkim

Track PM2.5 and PM10 per city above. Sikkim cities follow the broader South Asian pattern — clean monsoon, polluted winter.

Frequently Asked Questions

What is the weather in Sikkim today?
Weather in Sikkim varies by region. Cities like Gangtok are listed above with current temperature, rain and AQI. Click any city for a full hourly + 7-day forecast.
When does the monsoon arrive in Sikkim?
Sikkim receives most of its annual rainfall during the southwest monsoon (June–September), with the bulk in July–August.
Which is the largest city in Sikkim?
Gangtok is the largest city in Sikkim. We provide live weather forecasts for 1 cities across the region.
How often is the weather data updated?
Every city's weather and AQI data refreshes every 60 minutes from the ECMWF + GFS global models via Open-Meteo. See "How we predict the weather" for full sourcing.