Average annual temperature is 27.8 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 24.2 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Mankumpan
* Weather data for Mankumpan 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) | 27.4 | 29.4 | 30.3 | 32.3 | 30.8 | 30.5 | 30.3 | 29.6 | 29.2 | 30.5 | 29.6 | 28.7 |
| Average daytime temperature (°C) | 26.9 | 27.5 | 29.2 | 30.5 | 29.8 | 29.7 | 29.1 | 28.8 | 28.8 | 29.1 | 28.2 | 27.7 |
| Average temperature (°C) | 25.8 | 26.2 | 27.7 | 29.1 | 29.3 | 29.2 | 28.5 | 28.3 | 28.2 | 27.9 | 26.7 | 26.7 |
| Average night temperature (°C) | 24.8 | 25.0 | 26.5 | 27.8 | 28.6 | 28.6 | 28.0 | 27.8 | 27.6 | 26.5 | 25.1 | 25.6 |
| Absolute minimum temperature (°C) | 24.2 | 24.3 | 25.3 | 25.5 | 25.8 | 26.3 | 27.2 | 27.4 | 26.8 | 24.2 | 24.3 | 24.5 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.8 | 10.2 | 11.1 | 11.1 | 9.3 | 10.2 | 9.6 | 11.3 | 10.6 | 10.5 | 8.0 | 8.5 |
| Precipitation (mm) | 39 | 117 | 14 | 62 | 85 | 77 | 35 | 1 | 77 | 185 | 484 | 275 |
| Sunny days | 20 | 20 | 16 | 10 | 15 | 16 | 16 | 24 | 2 | 2 | 1 | 3 |
| Rainy days | 11 | 8 | 15 | 20 | 16 | 14 | 15 | 7 | 28 | 29 | 29 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mankumpan is at