Average annual temperature is 26.6 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 84 days
Number of rainy days: 281 days
Look at detailed online map of Betkewa
* Weather data for Betkewa 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) | 29.3 | 31.3 | 34.8 | 36.1 | 35.1 | 34.9 | 36.5 | 37.1 | 35.2 | 33.4 | 31.4 | 31.5 |
| Average daytime temperature (°C) | 28.0 | 29.4 | 31.7 | 33.9 | 32.2 | 33.5 | 33.3 | 35.2 | 32.9 | 31.4 | 29.7 | 28.5 |
| Average temperature (°C) | 23.8 | 24.6 | 26.4 | 27.7 | 27.6 | 28.6 | 28.4 | 28.8 | 27.4 | 26.0 | 25.1 | 25.1 |
| Average night temperature (°C) | 20.7 | 21.1 | 22.8 | 23.7 | 24.7 | 25.2 | 25.1 | 24.8 | 24.2 | 23.1 | 22.5 | 22.7 |
| Absolute minimum temperature (°C) | 18.3 | 18.8 | 21.8 | 22.2 | 23.0 | 24.0 | 24.0 | 24.1 | 23.4 | 22.2 | 22.0 | 22.1 |
| 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 | 12.6 | 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 | 9.8 | 10.6 | 10.4 | 8.8 | 10.7 | 9.5 | 10.8 | 9.2 | 8.8 | 7.0 | 7.2 |
| Precipitation (mm) | 105 | 104 | 71 | 111 | 121 | 13 | 30 | 84 | 61 | 348 | 456 | 243 |
| Sunny days | 15 | 12 | 8 | 8 | 6 | 12 | 8 | 15 | 0 | 0 | 0 | 0 |
| Rainy days | 16 | 16 | 23 | 22 | 25 | 18 | 23 | 16 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Betkewa is at