Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Kottānattam
* Weather data for Kottānattam India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.7 | 35.9 | 36.0 | 40.5 | 39.8 | 40.4 | 37.6 | 39.6 | 37.1 | 38.5 | 33.6 | 33.5 |
| Average daytime temperature (°C) | 31.0 | 32.7 | 34.8 | 36.8 | 36.6 | 37.5 | 34.7 | 37.5 | 35.1 | 34.2 | 30.6 | 30.9 |
| Average temperature (°C) | 24.7 | 25.7 | 28.2 | 30.2 | 30.3 | 30.9 | 29.3 | 30.6 | 29.0 | 28.3 | 25.7 | 26.1 |
| Average night temperature (°C) | 19.3 | 19.1 | 22.5 | 24.4 | 25.4 | 26.3 | 25.5 | 25.7 | 25.0 | 23.7 | 22.1 | 22.0 |
| Absolute minimum temperature (°C) | 17.2 | 17.4 | 19.4 | 22.1 | 23.5 | 24.5 | 23.6 | 23.9 | 23.8 | 22.4 | 19.2 | 19.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.3 | 11.1 | 11.1 | 10.0 | 10.1 | 8.9 | 10.9 | 9.6 | 10.4 | 8.8 | 8.3 |
| Precipitation (mm) | 6 | 13 | 56 | 68 | 86 | 16 | 56 | 56 | 82 | 164 | 179 | 41 |
| Sunny days | 23 | 24 | 18 | 15 | 8 | 8 | 10 | 18 | 2 | 7 | 2 | 11 |
| Rainy days | 8 | 4 | 13 | 15 | 23 | 22 | 21 | 13 | 28 | 24 | 28 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kottānattam is at