Average annual temperature is 27.6 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 21.7 °C
Number of sunny days: 55 days
Number of rainy days: 310 days
Look at detailed online map of Sainthamaruthu 09
* Weather data for Sainthamaruthu 09 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) | 28.4 | 28.9 | 30.6 | 32.5 | 33.5 | 35.0 | 36.9 | 35.8 | 35.6 | 32.6 | 31.2 | 30.2 |
| Average daytime temperature (°C) | 27.3 | 27.7 | 29.0 | 30.5 | 31.5 | 33.0 | 34.0 | 33.6 | 32.9 | 30.1 | 28.8 | 28.4 |
| Average temperature (°C) | 25.5 | 25.9 | 26.9 | 28.1 | 28.4 | 29.4 | 29.5 | 29.6 | 28.2 | 26.6 | 26.2 | 26.3 |
| Average night temperature (°C) | 23.5 | 23.9 | 24.6 | 25.6 | 25.8 | 26.3 | 25.8 | 26.1 | 25.3 | 24.2 | 24.0 | 24.5 |
| Absolute minimum temperature (°C) | 21.7 | 22.2 | 23.1 | 24.2 | 24.8 | 25.5 | 24.9 | 24.8 | 24.0 | 23.4 | 23.4 | 23.3 |
| 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 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.1 | 9.5 | 10.1 | 10.7 | 9.6 | 10.7 | 9.8 | 11.1 | 10.1 | 9.8 | 8.5 | 8.2 |
| Precipitation (mm) | 195 | 181 | 138 | 65 | 74 | 42 | 57 | 36 | 184 | 311 | 407 | 382 |
| Sunny days | 5 | 6 | 6 | 6 | 9 | 6 | 7 | 7 | 1 | 2 | 0 | 0 |
| Rainy days | 26 | 22 | 25 | 24 | 22 | 24 | 24 | 24 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sainthamaruthu 09 is at