Kerala Temperature & Weather History

Historical Climate Data & Weather Trends (1981-2025)

Comprehensive climate analysis across 14 districts in Kerala, India

Kerala Climate Overview

Kerala, India has an average annual temperature of 25.9°C, approximately 2225mm of rainfall per year, and average humidity of 79%. Temperatures range from 12.8°C in Idukki to 39.3°C in Palakkad. This page covers 45 years of historical climate data (1981–2025) across all 14 districts, sourced from NASA POWER — with monthly charts, yearly trends, and a full district comparison table.

☀️

Quick Climate Facts

(1981 - 2025)

State Avg

🌡️

Average Temperature

25.9°C

State Avg

❄️

Min Temperature

18.0°C

State Avg

🔥

Max Temperature

36.3°C

State Avg

🌧️

Average Rainfall

6.1 mm/day

State Avg

💧

Average Humidity

78.7%

State Avg

💨

Average Wind Speed

2.0 m/s

State Avg

📍

Number of Districts

14

State Avg

📅

Data Period

1981-2025

📊Monthly Climate Averages for Kerala

📖Understanding Kerala's Climate Patterns

These charts show monthly temperature and rainfall patterns for Kerala, averaged across all 14 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 Kerala (1981-2025)

🌍Climate Change and Historical Weather Trends

This chart tracks how Kerala'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 Kerala

Across its 14 districts, Kerala has significant climate variation. Idukki is the coolest district with average lows of 12.8°C, while Palakkad reaches average highs of 39.3°C. Kasaragod is the wettest district at 9.2 mm/day. These differences are driven by altitude, proximity to water bodies, and geography.

Coldest District
Idukki
12.8°C min
Hottest District
Palakkad
39.3°C max
Wettest District
Kasaragod
9.2 mm/day

📍Weather Data for All 14 Districts in Kerala

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
Alappuzha27.7°C23.4°C33.6°C7.1 mm/day77.3%
Ernakulam27.2°C20.7°C36.3°C7.0 mm/day78.5%
Idukki22.8°C12.8°C36.1°C5.5 mm/day82.0%
Kannur24.9°C16.0°C36.9°C7.5 mm/day79.1%
Kasaragod27.0°C20.5°C35.1°C9.2 mm/day77.8%
Kollam25.8°C16.9°C37.5°C5.5 mm/day80.8%
Kottayam27.7°C23.4°C33.6°C7.1 mm/day77.3%
Kozhikode27.5°C22.7°C33.9°C6.1 mm/day78.0%
Malappuram25.2°C15.9°C38.0°C5.3 mm/day78.5%
Palakkad24.5°C13.0°C39.3°C3.1 mm/day74.9%

Showing 1 to 10 of 14 districts

❓Frequently Asked Questions

The average annual temperature in Kerala is 25.9°C based on 45 years of historical climate data from 1981 to 2025. Temperatures vary significantly across the state's 14 districts, ranging from an average minimum of 18.0°C to an average maximum of 36.3°C.
Palakkad is the hottest district in Kerala, with an average maximum temperature of 39.3°C and an average annual temperature of 24.5°C. This makes it one of the warmest areas in the state throughout the year.
Idukki is the coldest district in Kerala, with an average minimum temperature of 12.8°C and an average annual temperature of 22.8°C. Winter temperatures in this district can drop significantly below the state average.
Kerala receives an average of 6.1 mm/day of rainfall, which translates to approximately 2225 mm annually. Rainfall varies considerably across districts, with Kasaragod being the wettest at 9.2 mm/day and Palakkad being the driest at 3.1 mm/day.
Kasaragod receives the highest rainfall in Kerala, averaging 9.2 mm/day or approximately 3349 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 Kerala is 78.7%. Humidity levels vary across the state, with Idukki having the highest average humidity at 82.0% and Palakkad having the lowest at 74.9%. These variations affect local climate comfort and agricultural practices.
This comprehensive weather dataset covers all 14 districts in Kerala. 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 Kerala 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 14 districts in the state.
This comprehensive weather history can help farmers and agricultural planners in Kerala make informed decisions about crop selection, planting schedules, and irrigation planning. The data shows that Kasaragod receives the most rainfall (9.2 mm/day), making it suitable for water-intensive crops, while Palakkad receives less rainfall (3.1 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.
Kerala shows significant climate diversity across its 14 districts. Temperature varies from 12.8°C in Idukki to 39.3°C in Palakkad. Rainfall patterns range from 3.1 mm/day in Palakkad to 9.2 mm/day in Kasaragod. 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 14 districts in Kerala.

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 Kerala, India • Data: NASA POWER • 1981-2025 • Covering 14 districts