Average annual temperature is 26.1 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 50 days
Number of rainy days: 315 days
Look at detailed online map of Weeramuniyagama
* Weather data for Weeramuniyagama 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) | 30.0 | 31.6 | 34.3 | 35.4 | 34.0 | 33.3 | 33.4 | 35.5 | 33.0 | 32.6 | 31.5 | 30.5 |
| Average daytime temperature (°C) | 28.5 | 29.5 | 31.9 | 33.4 | 31.4 | 31.8 | 31.0 | 33.8 | 30.5 | 30.4 | 29.9 | 28.8 |
| Average temperature (°C) | 23.9 | 24.8 | 26.4 | 27.2 | 27.0 | 27.4 | 27.0 | 28.1 | 26.1 | 25.5 | 25.1 | 25.1 |
| Average night temperature (°C) | 20.4 | 21.1 | 22.5 | 23.2 | 24.3 | 24.4 | 24.2 | 24.4 | 23.4 | 22.6 | 22.5 | 22.8 |
| Absolute minimum temperature (°C) | 18.5 | 19.2 | 21.6 | 22.0 | 23.0 | 23.1 | 22.7 | 23.7 | 22.5 | 21.1 | 21.6 | 22.0 |
| 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 | 12.5 | 12.4 | 12.2 | 11.9 | 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 | 10.6 | 10.3 | 9.0 | 10.4 | 9.5 | 11.0 | 8.5 | 8.1 | 7.4 | 7.8 |
| Precipitation (mm) | 90 | 92 | 88 | 120 | 127 | 56 | 67 | 27 | 114 | 305 | 518 | 243 |
| Sunny days | 15 | 14 | 3 | 5 | 1 | 2 | 3 | 7 | 0 | 0 | 0 | 0 |
| Rainy days | 16 | 14 | 28 | 25 | 30 | 28 | 28 | 24 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Weeramuniyagama is at