Historical Climate Data & Weather Trends (1981-2025)
Comprehensive climate analysis across 4 districts in Sikkim, India
Sikkim Climate Overview
Sikkim, India has an average annual temperature of 9.5°C, approximately 1144mm of rainfall per year, and average humidity of 71%. Temperatures range from -12.8°C in West to 32.0°C in South. This page covers 45 years of historical climate data (1981–2025) across all 4 districts, sourced from NASA POWER — with monthly charts, yearly trends, and a full district comparison table.
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Quick Climate Facts
(1981 - 2025)
State Avg
🌡️
Average Temperature
9.5°C
State Avg
❄️
Min Temperature
-7.6°C
State Avg
🔥
Max Temperature
22.8°C
State Avg
🌧️
Average Rainfall
3.1 mm/day
State Avg
💧
Average Humidity
70.7%
State Avg
💨
Average Wind Speed
1.5 m/s
State Avg
📍
Number of Districts
4
State Avg
📅
Data Period
1981-2025
📊Monthly Climate Averages for Sikkim
📖Understanding Sikkim's Climate Patterns
These charts show monthly temperature and rainfall patterns for Sikkim, averaged across all 4 districts and 45 years of data. Use them to understand seasonal shifts — when monsoon arrives, which months are hottest, and how humidity peaks align with rainfall.
This chart tracks how Sikkim's climate has changed from 1981 to 2025. Switch between Temperature, Rainfall, and Humidity tabs to spot long-term trends. Use the year range buttons to zoom into recent decades or view the full 45-year picture.
🌡️Yearly Temperature Trends(2016–2025)
Annual temp trends · 1981–2025 · °C
🗺️Climate Diversity Across Sikkim
Across its 4 districts, Sikkim has significant climate variation. West is the coolest district with average lows of -12.8°C, while South reaches average highs of 32.0°C. South is the wettest district at 4.0 mm/day. These differences are driven by altitude, proximity to water bodies, and geography.
Coldest District
West
-12.8°C min
Hottest District
South
32.0°C max
Wettest District
South
4.0 mm/day
📍Weather Data for All 4 Districts in Sikkim
Click any district to view its full 45-year weather history — monthly patterns, yearly trends, and extreme records. Use search to find a specific district quickly.
The average annual temperature in Sikkim is 9.5°C based on 45 years of historical climate data from 1981 to 2025. Temperatures vary significantly across the state's 4 districts, ranging from an average minimum of -7.6°C to an average maximum of 22.8°C.
South is the hottest district in Sikkim, with an average maximum temperature of 32.0°C and an average annual temperature of 18.4°C. This makes it one of the warmest areas in the state throughout the year.
West is the coldest district in Sikkim, with an average minimum temperature of -12.8°C and an average annual temperature of 5.2°C. Winter temperatures in this district can drop significantly below the state average.
Sikkim receives an average of 3.1 mm/day of rainfall, which translates to approximately 1144 mm annually. Rainfall varies considerably across districts, with South being the wettest at 4.0 mm/day and West being the driest at 2.8 mm/day.
South receives the highest rainfall in Sikkim, averaging 4.0 mm/day or approximately 1457 mm per year. This district experiences significantly more precipitation compared to the state average, making it ideal for water-intensive agriculture.
The average relative humidity in Sikkim is 70.7%. Humidity levels vary across the state, with West having the highest average humidity at 73.0% and South having the lowest at 64.9%. These variations affect local climate comfort and agricultural practices.
This comprehensive weather dataset covers all 4 districts in Sikkim. Each district's climate data has been collected from NASA POWER (Prediction of Worldwide Energy Resources) and includes 45 years of historical records from 1981 to 2025. The state-level statistics presented are calculated by averaging data across all districts.
All weather and climate data for Sikkim is sourced from NASA POWER (Prediction of Worldwide Energy Resources), which provides reliable meteorological data from NASA research. The data is based on the MERRA-2 Reanalysis with a spatial resolution of 0.5° x 0.625° and covers the period from 1981 to 2025. This ensures high-quality, scientifically validated climate information aggregated across all 4 districts in the state.
This comprehensive weather history can help farmers and agricultural planners in Sikkim make informed decisions about crop selection, planting schedules, and irrigation planning. The data shows that South receives the most rainfall (4.0 mm/day), making it suitable for water-intensive crops, while West receives less rainfall (2.8 mm/day) and may require more irrigation. Temperature variations across districts help determine suitable growing seasons for different crops. The 45-year dataset also helps identify long-term climate trends that may require adaptation in farming practices.
Sikkim shows significant climate diversity across its 4 districts. Temperature varies from -12.8°C in West to 32.0°C in South. Rainfall patterns range from 2.8 mm/day in West to 4.0 mm/day in South. This diversity is influenced by factors such as altitude, proximity to water bodies, and geographical features, creating distinct microclimates within the state.
📚 Data Source & Methodology
All climate data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing satellite-derived meteorological data used globally by researchers and agricultural planners. State-level figures are calculated by averaging data across all 4 districts in Sikkim.