Average annual temperature is 26.0 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Thamarassery
* Weather data for Thamarassery 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) | 33.3 | 35.3 | 36.9 | 36.1 | 33.1 | 32.1 | 29.6 | 31.1 | 31.6 | 30.1 | 30.6 | 32.6 |
| Average daytime temperature (°C) | 31.0 | 33.5 | 34.8 | 34.0 | 31.6 | 29.6 | 27.4 | 29.4 | 28.2 | 28.8 | 29.2 | 30.2 |
| Average temperature (°C) | 25.0 | 26.5 | 28.0 | 28.2 | 27.2 | 25.9 | 24.4 | 25.6 | 24.7 | 25.3 | 25.5 | 25.7 |
| Average night temperature (°C) | 20.3 | 21.3 | 22.5 | 23.5 | 23.9 | 23.1 | 22.4 | 22.3 | 22.4 | 22.2 | 22.2 | 21.9 |
| Absolute minimum temperature (°C) | 18.8 | 19.4 | 19.9 | 21.3 | 21.8 | 22.2 | 21.7 | 20.2 | 21.7 | 19.7 | 20.2 | 20.6 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 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) | 10.3 | 10.8 | 11.1 | 11.1 | 8.7 | 7.4 | 5.7 | 10.7 | 6.5 | 8.9 | 8.9 | 9.3 |
| Precipitation (mm) | 17 | 1 | 22 | 168 | 372 | 519 | 770 | 150 | 561 | 447 | 335 | 101 |
| Sunny days | 27 | 24 | 20 | 5 | 1 | 0 | 0 | 1 | 0 | 2 | 3 | 14 |
| Rainy days | 4 | 4 | 11 | 25 | 30 | 30 | 31 | 30 | 30 | 29 | 27 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thamarassery is at