Kerala has a warm subtropical climate with warm summers and mild winters.
Kerala has an average annual temperature of 26.4°C across all 14 cities, with approximately 2226 mm of annual precipitation and average humidity of 79%. Temperatures peak in March and drop to their lowest in January, while rainfall is highest during summer months.
The warmest city is Palakkad with average July highs of 29.6°C, while Idukki is the coldest with average January lows of 13.2°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
| Month | 🌤️ | High | Low | Avg | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|
| January | 😎 | 32.3°C | 18.6°C | 25.4°C | 68% | 18 | 1.5 | 5.50 |
| February | 😎 | 34.7°C | 19.7°C | 27.2°C | 63% | 17 | 1.6 | 6.10 |
| March | 🥵 | 36.0°C | 21.7°C | 28.9°C | 64% | 36 | 1.7 | 6.30 |
| April | ⛅ | 35.7°C | 23.9°C | 29.8°C | 72% | 95 | 1.8 | 6.10 |
| May | 🌧️ | 33.6°C | 23.8°C | 28.7°C | 80% | 208 | 2.3 | 5.30 |
| June | 🌧️ | 29.8°C | 22.8°C | 26.3°C | 87% | 451 | 2.9 | 4.40 |
| July | 🌧️ | 28.1°C | 22.1°C | 25.1°C | 89% | 408 | 2.9 | 4.30 |
| August | 🌧️ | 28.2°C | 22.1°C | 25.1°C | 89% | 304 | 2.7 | 4.70 |
| September | 🌧️ | 28.9°C | 22.1°C | 25.5°C | 88% | 220 | 2.3 | 5.20 |
| October | 🌧️ | 29.7°C | 21.7°C | 25.7°C | 86% | 270 | 1.8 | 4.90 |
| November | 🌧️ | 29.6°C | 20.3°C | 24.9°C | 82% | 154 | 1.4 | 4.80 |
| December | 😎 | 30.3°C | 18.8°C | 24.5°C | 76% | 47 | 1.5 | 5.00 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 14 cities in Kerala
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Limit midday outdoor exposure and stay hydrated — this is an intense Hot Summer.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Region-wide monthly averages across 14 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in March, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Region-wide monthly rainfall · 1981–2025 · mm/month
Monthly averages · 1981–2025
💧 Humidity peaks at 89% in August · annual avg 79%
The warmest year on record was 2024 (avg: 27.3°C), while the coldest year was 1984 (avg: 25.7°C).
Averaged across all 14 cities in Kerala · Last 10 years · °C
Averaged across all 14 cities in Kerala · Last 10 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 14 cities in Kerala for each year.
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 22.0°C | 26.7°C | 31.4°C | 2404 | 80% | 2.1 m/s |
2024 | 22.5°C | 27.3°C | 32.1°C | 2362 | 80% | 1.9 m/s |
2023 | 21.8°C | 26.9°C | 32.0°C | 1950 | 77% | 1.7 m/s |
2022 | 21.5°C | 26.3°C | 31.1°C | 2473 | 81% | 1.8 m/s |
2021 🌧️ | 21.7°C | 26.3°C | 30.9°C | 2939 | 82% | 1.9 m/s |
2020 | 22.1°C | 27.0°C | 31.9°C | 2421 | 79% | 1.9 m/s |
2019 🔥 | 22.3°C | 27.3°C | 32.3°C | 2359 | 77% | 2.0 m/s |
2018 | 21.6°C | 26.6°C | 31.5°C | 2357 | 79% | 1.9 m/s |
2017 | 21.8°C | 26.7°C | 31.6°C | 2079 | 79% | 2.0 m/s |
2016 | 21.6°C | 26.9°C | 32.1°C | 1552 | 77% | 2.0 m/s |
Showing 1 to 10 of 45 years
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
