Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 17 days
Number of rainy days: 348 days
Look at detailed online map of Magammana
* Weather data for Magammana 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) | 31.8 | 33.5 | 32.3 | 32.9 | 31.2 | 30.2 | 29.9 | 30.4 | 30.4 | 30.9 | 30.9 | 32.2 |
| Average daytime temperature (°C) | 30.1 | 30.4 | 30.9 | 31.5 | 29.9 | 29.3 | 29.0 | 29.5 | 28.6 | 29.1 | 29.6 | 29.9 |
| Average temperature (°C) | 24.9 | 25.4 | 26.1 | 26.7 | 26.6 | 26.3 | 26.3 | 26.5 | 25.4 | 25.2 | 25.2 | 25.5 |
| Average night temperature (°C) | 20.9 | 21.6 | 22.5 | 23.2 | 24.2 | 23.7 | 23.9 | 24.1 | 23.3 | 22.7 | 22.5 | 22.7 |
| Absolute minimum temperature (°C) | 18.9 | 20.0 | 20.7 | 22.0 | 22.4 | 23.0 | 22.4 | 23.1 | 22.5 | 21.5 | 21.7 | 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 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) | 9.4 | 9.7 | 10.2 | 10.3 | 8.4 | 8.8 | 9.5 | 10.7 | 6.7 | 7.0 | 7.2 | 7.7 |
| Precipitation (mm) | 118 | 124 | 193 | 192 | 247 | 438 | 307 | 179 | 599 | 655 | 577 | 491 |
| Sunny days | 11 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Rainy days | 20 | 24 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Magammana is at