Average annual temperature is 25.5 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 82 days
Number of rainy days: 283 days
Look at detailed online map of Kottantalam
* Weather data for Kottantalam 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) | 29.2 | 30.8 | 34.8 | 36.5 | 36.8 | 34.2 | 32.9 | 36.7 | 33.8 | 33.9 | 29.7 | 31.1 |
| Average daytime temperature (°C) | 27.0 | 28.1 | 31.3 | 33.4 | 32.7 | 32.5 | 30.0 | 33.9 | 30.2 | 29.9 | 27.4 | 26.5 |
| Average temperature (°C) | 22.3 | 23.2 | 25.4 | 27.0 | 27.5 | 27.6 | 26.2 | 27.9 | 26.1 | 25.4 | 24.0 | 23.7 |
| Average night temperature (°C) | 18.9 | 18.8 | 21.1 | 22.3 | 24.1 | 24.5 | 23.8 | 23.8 | 23.5 | 22.3 | 21.7 | 21.4 |
| Absolute minimum temperature (°C) | 16.3 | 17.1 | 18.3 | 20.0 | 22.5 | 23.3 | 22.7 | 22.3 | 22.7 | 21.0 | 20.7 | 18.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.7 | 10.1 | 10.6 | 10.7 | 9.8 | 10.5 | 7.9 | 11.1 | 8.1 | 9.4 | 7.1 | 7.0 |
| Precipitation (mm) | 79 | 56 | 57 | 65 | 69 | 16 | 144 | 44 | 135 | 121 | 227 | 955 |
| Sunny days | 10 | 22 | 6 | 7 | 6 | 12 | 4 | 9 | 1 | 2 | 3 | 0 |
| Rainy days | 21 | 6 | 25 | 23 | 25 | 18 | 27 | 22 | 29 | 29 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kottantalam is at