Arunachal Pradesh Temperature & Weather History

Historical Climate Data & Weather Trends (1981-2025)

Comprehensive climate analysis across 16 districts in Arunachal Pradesh, India

Arunachal Pradesh Climate Overview

Arunachal Pradesh, India has an average annual temperature of 16.3°C, approximately 1950mm of rainfall per year, and average humidity of 76%. Temperatures range from -9.1°C in Dibang Valley to 41.9°C in East Siang. This page covers 45 years of historical climate data (1981–2025) across all 16 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

16.3°C

State Avg

❄️

Min Temperature

0.9°C

State Avg

🔥

Max Temperature

31.3°C

State Avg

🌧️

Average Rainfall

5.3 mm/day

State Avg

💧

Average Humidity

76.2%

State Avg

💨

Average Wind Speed

0.6 m/s

State Avg

📍

Number of Districts

16

State Avg

📅

Data Period

1981-2025

📊Monthly Climate Averages for Arunachal Pradesh

📖Understanding Arunachal Pradesh's Climate Patterns

These charts show monthly temperature and rainfall patterns for Arunachal Pradesh, averaged across all 16 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.

🌡️Temperature Patterns

Monthly averages · 1981–2025 climate normals · °C

🌧️Rainfall Distribution

Monthly rainfall · 1981–2025 seasonal trends · mm/month

📈Long-term Climate Trends in Arunachal Pradesh (1981-2025)

🌍Climate Change and Historical Weather Trends

This chart tracks how Arunachal Pradesh'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(20162025)

Annual temp trends · 1981–2025 · °C

🗺️Climate Diversity Across Arunachal Pradesh

Across its 16 districts, Arunachal Pradesh has significant climate variation. Dibang Valley is the coolest district with average lows of -9.1°C, while East Siang reaches average highs of 41.9°C. West Siang is the wettest district at 7.2 mm/day. These differences are driven by altitude, proximity to water bodies, and geography.

Coldest District
Dibang Valley
-9.1°C min
Hottest District
East Siang
41.9°C max
Wettest District
West Siang
7.2 mm/day

📍Weather Data for All 16 Districts in Arunachal Pradesh

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.

Show:
DistrictAvg TempMin TempMax TempRainfallHumidity
Anjaw9.5°C-6.2°C23.8°C4.5 mm/day77.1%
Changlang20.7°C5.0°C37.4°C4.9 mm/day73.1%
Dibang Valley7.0°C-9.1°C21.8°C3.1 mm/day80.8%
East Kameng14.4°C0.1°C27.4°C5.3 mm/day80.9%
East Siang23.7°C8.6°C41.9°C7.0 mm/day68.3%
Kurung Kumey14.3°C-0.5°C28.1°C5.5 mm/day81.2%
Lohit17.7°C2.5°C32.6°C5.2 mm/day70.6%
Lower Dibang Valley23.7°C8.6°C41.9°C7.0 mm/day68.3%
Lower Subansiri17.4°C1.8°C30.6°C6.4 mm/day79.8%
Papum Pare22.1°C6.7°C35.1°C5.7 mm/day74.8%

Showing 1 to 10 of 16 districts

Frequently Asked Questions

The average annual temperature in Arunachal Pradesh is 16.3°C based on 45 years of historical climate data from 1981 to 2025. Temperatures vary significantly across the state's 16 districts, ranging from an average minimum of 0.9°C to an average maximum of 31.3°C.
East Siang is the hottest district in Arunachal Pradesh, with an average maximum temperature of 41.9°C and an average annual temperature of 23.7°C. This makes it one of the warmest areas in the state throughout the year.
Dibang Valley is the coldest district in Arunachal Pradesh, with an average minimum temperature of -9.1°C and an average annual temperature of 7.0°C. Winter temperatures in this district can drop significantly below the state average.
Arunachal Pradesh receives an average of 5.3 mm/day of rainfall, which translates to approximately 1950 mm annually. Rainfall varies considerably across districts, with West Siang being the wettest at 7.2 mm/day and Tawang being the driest at 2.8 mm/day.
West Siang receives the highest rainfall in Arunachal Pradesh, averaging 7.2 mm/day or approximately 2634 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 Arunachal Pradesh is 76.2%. Humidity levels vary across the state, with Kurung Kumey having the highest average humidity at 81.2% and East Siang having the lowest at 68.3%. These variations affect local climate comfort and agricultural practices.
This comprehensive weather dataset covers all 16 districts in Arunachal Pradesh. 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 Arunachal Pradesh 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 16 districts in the state.
This comprehensive weather history can help farmers and agricultural planners in Arunachal Pradesh make informed decisions about crop selection, planting schedules, and irrigation planning. The data shows that West Siang receives the most rainfall (7.2 mm/day), making it suitable for water-intensive crops, while Tawang 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.
Arunachal Pradesh shows significant climate diversity across its 16 districts. Temperature varies from -9.1°C in Dibang Valley to 41.9°C in East Siang. Rainfall patterns range from 2.8 mm/day in Tawang to 7.2 mm/day in West Siang. 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 16 districts in Arunachal Pradesh.

Parameters included:
  • Temperature (Min, Max, Average)
  • Precipitation (Rainfall)
  • Relative Humidity
  • Wind Speed
Data specifications:
  • Temporal Resolution: Monthly
  • Spatial Resolution: 0.5° x 0.625°
  • Source: MERRA-2 Reanalysis
  • Coverage: 1981-2025 (45 years)

Historical weather data for Arunachal Pradesh, India • Data: NASA POWER • 1981-2025 • Covering 16 districts