Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Katupotha
* Weather data for Katupotha 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) | 31.3 | 33.3 | 34.5 | 36.2 | 32.5 | 32.1 | 31.6 | 33.6 | 31.0 | 33.0 | 32.2 | 31.2 |
| Average daytime temperature (°C) | 29.5 | 30.8 | 32.5 | 32.9 | 30.9 | 30.3 | 29.9 | 31.8 | 29.4 | 29.9 | 30.4 | 30.1 |
| Average temperature (°C) | 24.7 | 25.6 | 27.0 | 27.3 | 27.3 | 27.4 | 27.1 | 27.7 | 26.1 | 25.7 | 25.5 | 25.9 |
| Average night temperature (°C) | 20.9 | 21.6 | 23.2 | 23.7 | 24.6 | 24.9 | 25.0 | 24.8 | 23.7 | 23.0 | 22.9 | 23.2 |
| Absolute minimum temperature (°C) | 18.9 | 19.4 | 22.2 | 22.6 | 22.6 | 23.2 | 23.5 | 23.2 | 22.8 | 22.1 | 22.2 | 22.3 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 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) | 9.5 | 9.9 | 10.9 | 10.4 | 9.4 | 10.5 | 9.8 | 11.1 | 8.7 | 8.5 | 7.7 | 8.0 |
| Precipitation (mm) | 69 | 75 | 90 | 134 | 165 | 119 | 86 | 41 | 278 | 361 | 510 | 272 |
| Sunny days | 15 | 13 | 3 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 1 |
| Rainy days | 16 | 15 | 28 | 29 | 31 | 30 | 30 | 28 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Katupotha is at