Average annual temperature is 28.1 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 111 days
Number of rainy days: 254 days
Look at detailed online map of Kollankulam
* Weather data for Kollankulam 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) | 34.7 | 37.1 | 40.2 | 41.4 | 40.4 | 38.6 | 36.2 | 39.5 | 36.2 | 35.7 | 31.8 | 32.2 |
| Average daytime temperature (°C) | 32.3 | 33.6 | 36.3 | 37.4 | 36.7 | 36.2 | 33.5 | 37.1 | 34.0 | 32.5 | 29.9 | 29.0 |
| Average temperature (°C) | 25.8 | 26.2 | 28.9 | 30.1 | 30.4 | 30.4 | 28.7 | 30.4 | 28.5 | 27.0 | 25.5 | 25.5 |
| Average night temperature (°C) | 20.9 | 20.8 | 23.8 | 25.1 | 26.3 | 26.4 | 25.3 | 25.7 | 24.8 | 23.4 | 22.7 | 22.6 |
| Absolute minimum temperature (°C) | 18.8 | 18.3 | 21.0 | 23.4 | 23.8 | 24.5 | 23.6 | 24.7 | 22.8 | 22.1 | 21.5 | 20.4 |
| 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 | 11.8 | 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) | 9.6 | 10.1 | 10.8 | 10.6 | 10.1 | 10.7 | 9.2 | 11.2 | 9.2 | 9.8 | 7.5 | 7.5 |
| Precipitation (mm) | 33 | 52 | 52 | 107 | 72 | 24 | 65 | 71 | 117 | 327 | 375 | 857 |
| Sunny days | 24 | 23 | 6 | 6 | 7 | 7 | 13 | 15 | 1 | 1 | 1 | 7 |
| Rainy days | 7 | 5 | 25 | 24 | 24 | 23 | 18 | 16 | 29 | 30 | 29 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kollankulam is at