Average annual temperature is 27.7 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: 23.9 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Thanankilappu
* Weather data for Thanankilappu 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) | 27.3 | 29.4 | 30.8 | 32.5 | 30.8 | 30.7 | 30.2 | 30.1 | 29.4 | 31.1 | 29.8 | 28.6 |
| Average daytime temperature (°C) | 26.8 | 27.3 | 29.0 | 30.5 | 29.8 | 29.7 | 29.2 | 29.0 | 28.9 | 29.1 | 28.2 | 27.6 |
| Average temperature (°C) | 25.7 | 26.0 | 27.6 | 28.9 | 29.1 | 29.1 | 28.5 | 28.3 | 28.2 | 27.7 | 26.6 | 26.6 |
| Average night temperature (°C) | 24.6 | 24.8 | 26.2 | 27.3 | 28.2 | 28.4 | 27.8 | 27.5 | 27.4 | 26.2 | 24.9 | 25.4 |
| Absolute minimum temperature (°C) | 23.9 | 24.1 | 24.8 | 25.5 | 24.8 | 26.4 | 27.1 | 27.0 | 26.1 | 24.6 | 24.1 | 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 | 11.0 | 9.3 | 10.3 | 9.7 | 11.3 | 10.5 | 10.4 | 8.1 | 8.3 |
| Precipitation (mm) | 47 | 141 | 12 | 55 | 74 | 53 | 42 | 1 | 88 | 130 | 502 | 285 |
| Sunny days | 21 | 21 | 17 | 14 | 16 | 14 | 15 | 27 | 0 | 1 | 0 | 1 |
| Rainy days | 10 | 7 | 14 | 16 | 15 | 16 | 16 | 4 | 30 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thanankilappu is at