Average annual temperature is 26.0 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Gathara West
* Weather data for Gathara West 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) | 31.1 | 33.1 | 32.1 | 32.9 | 32.2 | 31.0 | 30.7 | 32.0 | 30.7 | 30.6 | 31.1 | 31.7 |
| Average daytime temperature (°C) | 29.8 | 30.7 | 30.8 | 31.4 | 30.2 | 30.0 | 29.4 | 30.7 | 28.8 | 28.8 | 29.5 | 29.6 |
| Average temperature (°C) | 24.8 | 25.5 | 26.0 | 26.7 | 27.0 | 26.8 | 26.4 | 27.1 | 25.5 | 25.2 | 25.4 | 25.7 |
| Average night temperature (°C) | 21.0 | 21.9 | 22.5 | 23.0 | 24.4 | 24.3 | 24.0 | 24.1 | 23.3 | 22.8 | 22.6 | 22.8 |
| Absolute minimum temperature (°C) | 18.6 | 20.3 | 20.5 | 21.7 | 22.5 | 22.7 | 22.8 | 22.7 | 22.7 | 21.8 | 21.9 | 21.3 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 9.8 | 10.2 | 10.2 | 9.2 | 10.6 | 9.6 | 10.8 | 7.8 | 6.9 | 8.0 | 8.0 |
| Precipitation (mm) | 104 | 137 | 183 | 163 | 192 | 162 | 180 | 115 | 481 | 585 | 555 | 395 |
| Sunny days | 4 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
| Rainy days | 27 | 25 | 30 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gathara West is at