Average annual temperature is 27.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 123 days
Number of rainy days: 242 days
Look at detailed online map of Anaivilunthan
* Weather data for Anaivilunthan 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) | 29.2 | 30.9 | 35.2 | 37.0 | 35.3 | 35.8 | 36.6 | 37.3 | 34.7 | 34.7 | 31.7 | 31.4 |
| Average daytime temperature (°C) | 27.6 | 28.8 | 31.8 | 34.4 | 32.6 | 33.4 | 34.2 | 35.4 | 33.1 | 32.1 | 29.7 | 28.6 |
| Average temperature (°C) | 24.5 | 24.9 | 27.2 | 28.6 | 28.7 | 29.7 | 29.7 | 30.0 | 29.0 | 27.3 | 25.8 | 25.8 |
| Average night temperature (°C) | 21.8 | 21.8 | 23.8 | 24.5 | 25.8 | 27.0 | 26.7 | 26.1 | 26.1 | 24.0 | 23.3 | 23.7 |
| Absolute minimum temperature (°C) | 19.6 | 19.5 | 22.8 | 22.9 | 23.4 | 25.6 | 25.8 | 25.4 | 24.8 | 22.5 | 22.5 | 23.1 |
| 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 | 12.5 | 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) | 9.4 | 10.3 | 10.9 | 10.6 | 9.0 | 10.6 | 9.6 | 11.1 | 10.4 | 9.7 | 6.9 | 7.5 |
| Precipitation (mm) | 94 | 130 | 45 | 101 | 88 | 51 | 19 | 19 | 54 | 177 | 513 | 318 |
| Sunny days | 16 | 17 | 11 | 9 | 12 | 13 | 16 | 24 | 1 | 3 | 0 | 1 |
| Rainy days | 15 | 11 | 20 | 21 | 19 | 17 | 15 | 7 | 29 | 28 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Anaivilunthan is at