Average annual temperature is 23.6 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 45 days
Number of rainy days: 320 days
Look at detailed online map of Tennegammedda
* Weather data for Tennegammedda 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) | 27.2 | 28.0 | 31.3 | 32.4 | 30.7 | 29.8 | 30.0 | 32.1 | 29.6 | 28.9 | 27.9 | 28.2 |
| Average daytime temperature (°C) | 25.3 | 26.3 | 28.3 | 30.2 | 28.3 | 28.7 | 27.4 | 30.6 | 27.5 | 26.9 | 26.9 | 26.3 |
| Average temperature (°C) | 21.6 | 22.5 | 23.7 | 25.0 | 24.3 | 24.8 | 23.9 | 25.0 | 23.5 | 23.2 | 23.1 | 23.1 |
| Average night temperature (°C) | 18.6 | 19.2 | 20.4 | 21.0 | 21.4 | 22.1 | 21.3 | 21.1 | 20.8 | 20.5 | 20.7 | 20.9 |
| Absolute minimum temperature (°C) | 15.9 | 16.3 | 19.3 | 19.0 | 19.8 | 21.2 | 18.9 | 19.6 | 18.5 | 19.2 | 19.9 | 19.9 |
| 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 | 12.5 | 12.5 | 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) | 9.3 | 9.6 | 10.0 | 10.2 | 9.2 | 10.4 | 9.2 | 10.8 | 8.7 | 7.6 | 7.3 | 7.7 |
| Precipitation (mm) | 48 | 37 | 59 | 70 | 94 | 54 | 109 | 38 | 100 | 305 | 536 | 210 |
| Sunny days | 12 | 11 | 3 | 2 | 1 | 0 | 3 | 7 | 2 | 2 | 0 | 2 |
| Rainy days | 19 | 17 | 28 | 28 | 30 | 30 | 28 | 24 | 28 | 29 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tennegammedda is at