Average annual temperature is 27.4 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 20.2 °C
Number of sunny days: 52 days
Number of rainy days: 313 days
Look at detailed online map of Sagamam
* Weather data for Sagamam 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) | 29.0 | 29.7 | 31.5 | 33.7 | 34.3 | 36.2 | 38.4 | 38.4 | 37.7 | 33.5 | 31.1 | 30.9 |
| Average daytime temperature (°C) | 27.7 | 28.1 | 29.3 | 30.9 | 32.4 | 34.2 | 34.8 | 35.6 | 34.5 | 30.6 | 29.3 | 28.7 |
| Average temperature (°C) | 24.8 | 25.3 | 26.3 | 27.5 | 28.2 | 29.5 | 29.7 | 30.2 | 28.7 | 26.4 | 25.8 | 25.8 |
| Average night temperature (°C) | 22.2 | 22.7 | 23.6 | 24.6 | 25.1 | 25.8 | 25.6 | 26.0 | 25.3 | 23.8 | 23.5 | 23.6 |
| Absolute minimum temperature (°C) | 20.2 | 21.2 | 22.7 | 23.0 | 24.1 | 24.8 | 24.3 | 24.5 | 23.7 | 22.7 | 22.7 | 22.7 |
| 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) | 8.9 | 9.4 | 9.7 | 10.5 | 9.6 | 10.7 | 9.5 | 11.0 | 9.6 | 9.1 | 8.3 | 7.6 |
| Precipitation (mm) | 191 | 164 | 160 | 70 | 89 | 79 | 46 | 53 | 155 | 370 | 476 | 507 |
| Sunny days | 7 | 6 | 6 | 6 | 7 | 4 | 6 | 7 | 1 | 2 | 0 | 0 |
| Rainy days | 24 | 22 | 25 | 24 | 24 | 26 | 25 | 24 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sagamam is at