Average annual temperature is 26.8 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 54 days
Number of rainy days: 311 days
Look at detailed online map of Okkampitiya
* Weather data for Okkampitiya 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) | 31.4 | 32.0 | 36.4 | 37.4 | 38.1 | 38.7 | 37.9 | 40.6 | 34.3 | 31.5 | 30.4 | 29.8 |
| Average daytime temperature (°C) | 29.5 | 29.9 | 31.6 | 33.5 | 32.8 | 36.5 | 35.2 | 37.1 | 32.1 | 29.9 | 29.1 | 28.5 |
| Average temperature (°C) | 25.0 | 25.2 | 26.3 | 27.2 | 27.5 | 29.7 | 28.9 | 29.8 | 27.0 | 25.2 | 24.9 | 25.1 |
| Average night temperature (°C) | 21.4 | 21.8 | 22.6 | 23.0 | 23.9 | 25.1 | 24.5 | 24.7 | 23.8 | 22.4 | 22.2 | 22.8 |
| Absolute minimum temperature (°C) | 19.0 | 20.2 | 21.3 | 21.3 | 22.3 | 23.5 | 23.0 | 23.2 | 22.5 | 21.3 | 21.2 | 21.5 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 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) | 9.4 | 9.9 | 9.8 | 9.8 | 9.4 | 10.8 | 10.0 | 11.0 | 9.4 | 8.4 | 7.5 | 7.9 |
| Precipitation (mm) | 58 | 111 | 84 | 170 | 148 | 43 | 50 | 21 | 82 | 338 | 482 | 323 |
| Sunny days | 12 | 9 | 2 | 0 | 7 | 2 | 6 | 12 | 3 | 0 | 0 | 1 |
| Rainy days | 19 | 19 | 29 | 30 | 24 | 28 | 25 | 19 | 27 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Okkampitiya is at