Average annual temperature is 27.8 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Tattankulam
* Weather data for Tattankulam 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) | 34.4 | 36.9 | 39.6 | 41.0 | 40.8 | 38.3 | 37.5 | 38.7 | 35.4 | 36.6 | 31.4 | 32.3 |
| Average daytime temperature (°C) | 32.3 | 33.5 | 36.4 | 37.4 | 36.3 | 35.9 | 33.3 | 36.7 | 32.0 | 32.6 | 29.9 | 29.2 |
| Average temperature (°C) | 25.9 | 26.3 | 29.1 | 29.9 | 29.8 | 29.8 | 28.1 | 29.6 | 27.1 | 26.9 | 25.3 | 25.5 |
| Average night temperature (°C) | 21.0 | 20.6 | 23.9 | 24.6 | 25.7 | 25.8 | 24.7 | 24.9 | 24.2 | 23.4 | 22.5 | 22.3 |
| Absolute minimum temperature (°C) | 18.7 | 18.3 | 21.7 | 23.4 | 23.9 | 24.3 | 23.5 | 24.2 | 23.2 | 21.7 | 21.1 | 20.5 |
| 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) | 9.9 | 10.2 | 10.7 | 10.5 | 9.9 | 10.4 | 8.6 | 11.1 | 8.5 | 9.6 | 8.0 | 8.4 |
| Precipitation (mm) | 32 | 39 | 47 | 122 | 47 | 18 | 79 | 44 | 70 | 290 | 445 | 276 |
| Sunny days | 22 | 24 | 10 | 7 | 8 | 7 | 11 | 15 | 6 | 3 | 2 | 8 |
| Rainy days | 9 | 4 | 21 | 23 | 23 | 23 | 20 | 16 | 24 | 28 | 28 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tattankulam is at