Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of Mannakulam
* Weather data for Mannakulam 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) | 29.1 | 31.3 | 36.2 | 38.6 | 37.2 | 38.3 | 38.2 | 39.0 | 36.2 | 35.5 | 32.1 | 31.4 |
| Average daytime temperature (°C) | 28.0 | 29.3 | 32.7 | 35.6 | 33.1 | 35.0 | 35.4 | 36.7 | 34.1 | 32.0 | 29.4 | 28.6 |
| Average temperature (°C) | 23.8 | 24.6 | 27.0 | 28.7 | 28.4 | 30.0 | 29.9 | 29.9 | 28.8 | 26.7 | 25.4 | 25.4 |
| Average night temperature (°C) | 20.4 | 20.6 | 22.9 | 24.1 | 25.2 | 26.5 | 26.3 | 25.6 | 25.4 | 23.6 | 22.9 | 23.3 |
| Absolute minimum temperature (°C) | 18.1 | 17.9 | 21.5 | 22.5 | 23.1 | 25.5 | 25.4 | 24.6 | 24.6 | 22.3 | 22.5 | 23.0 |
| 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) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 9.2 | 10.2 | 10.9 | 10.5 | 8.9 | 10.5 | 9.6 | 10.9 | 10.1 | 9.2 | 7.1 | 7.7 |
| Precipitation (mm) | 83 | 84 | 40 | 127 | 113 | 29 | 23 | 63 | 68 | 271 | 514 | 248 |
| Sunny days | 16 | 16 | 11 | 8 | 8 | 10 | 15 | 16 | 1 | 1 | 0 | 1 |
| Rainy days | 15 | 12 | 20 | 22 | 23 | 20 | 16 | 15 | 29 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mannakulam is at