Average annual temperature is 27.7 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 19.9 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Achchelu
* Weather data for Achchelu 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 | 30.6 | 34.0 | 35.7 | 33.8 | 34.3 | 35.4 | 35.8 | 32.9 | 32.8 | 30.8 | 30.2 |
| Average daytime temperature (°C) | 27.6 | 28.4 | 31.4 | 33.4 | 31.7 | 32.2 | 31.8 | 32.6 | 30.8 | 31.0 | 29.4 | 28.6 |
| Average temperature (°C) | 25.1 | 25.2 | 27.7 | 29.2 | 29.2 | 29.6 | 29.1 | 29.2 | 28.6 | 27.7 | 26.1 | 26.1 |
| Average night temperature (°C) | 22.6 | 22.2 | 24.7 | 25.6 | 27.4 | 27.9 | 27.2 | 26.7 | 26.8 | 24.9 | 23.6 | 24.2 |
| Absolute minimum temperature (°C) | 20.3 | 19.9 | 23.3 | 24.1 | 24.2 | 25.8 | 26.2 | 25.8 | 24.4 | 23.3 | 22.6 | 23.4 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 9.8 | 10.1 | 11.1 | 11.0 | 9.4 | 10.2 | 9.4 | 11.3 | 10.6 | 10.6 | 8.0 | 8.2 |
| Precipitation (mm) | 39 | 132 | 30 | 62 | 89 | 74 | 64 | 66 | 190 | 216 | 625 | 259 |
| Sunny days | 15 | 16 | 12 | 9 | 12 | 12 | 6 | 14 | 2 | 2 | 0 | 1 |
| Rainy days | 16 | 12 | 19 | 21 | 19 | 18 | 25 | 17 | 28 | 29 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Achchelu is at