Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Thandikulam
* Weather data for Thandikulam Sri Lanka is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.0 | 31.5 | 34.9 | 36.5 | 35.7 | 36.7 | 38.4 | 38.6 | 35.7 | 34.8 | 32.0 | 31.0 |
| Average daytime temperature (°C) | 27.8 | 29.2 | 31.9 | 34.2 | 32.6 | 34.3 | 34.7 | 36.4 | 33.3 | 31.8 | 29.5 | 28.7 |
| Average temperature (°C) | 23.9 | 24.7 | 26.7 | 27.9 | 28.0 | 29.2 | 29.2 | 29.4 | 28.0 | 26.3 | 25.3 | 25.3 |
| Average night temperature (°C) | 20.8 | 21.1 | 23.0 | 23.7 | 24.9 | 25.9 | 25.7 | 25.1 | 24.6 | 23.3 | 22.7 | 23.0 |
| Absolute minimum temperature (°C) | 18.2 | 18.7 | 22.1 | 22.3 | 23.1 | 24.8 | 24.7 | 24.1 | 23.9 | 22.4 | 22.1 | 22.4 |
| 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) | 9.2 | 10.0 | 10.9 | 10.4 | 8.8 | 10.6 | 9.9 | 10.8 | 10.0 | 8.9 | 7.2 | 7.8 |
| Precipitation (mm) | 79 | 106 | 71 | 143 | 95 | 22 | 21 | 50 | 80 | 310 | 497 | 268 |
| Sunny days | 16 | 14 | 8 | 8 | 7 | 8 | 9 | 13 | 1 | 0 | 1 | 1 |
| Rainy days | 15 | 14 | 23 | 22 | 24 | 22 | 22 | 18 | 29 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thandikulam is at