Average annual temperature is 28.2 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 22.4 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of Naranthanai
* Weather data for Naranthanai 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) | 28.7 | 30.7 | 32.2 | 34.0 | 32.6 | 32.7 | 33.2 | 32.9 | 31.9 | 33.2 | 30.3 | 29.3 |
| Average daytime temperature (°C) | 27.7 | 28.6 | 30.5 | 31.6 | 30.9 | 31.5 | 31.4 | 31.5 | 30.6 | 30.3 | 28.6 | 28.2 |
| Average temperature (°C) | 25.8 | 26.2 | 28.2 | 29.5 | 29.5 | 29.8 | 29.4 | 29.3 | 28.9 | 28.2 | 26.5 | 26.5 |
| Average night temperature (°C) | 24.1 | 24.1 | 26.3 | 27.5 | 28.2 | 28.4 | 28.0 | 27.6 | 27.4 | 26.1 | 24.6 | 25.0 |
| Absolute minimum temperature (°C) | 22.7 | 22.4 | 25.0 | 25.5 | 26.0 | 25.2 | 27.2 | 27.2 | 26.4 | 23.8 | 23.8 | 23.5 |
| 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 | 11.2 | 11.1 | 9.4 | 10.2 | 9.5 | 11.3 | 10.6 | 10.6 | 8.3 | 8.5 |
| Precipitation (mm) | 29 | 104 | 29 | 61 | 81 | 55 | 25 | 5 | 24 | 125 | 500 | 212 |
| Sunny days | 17 | 16 | 11 | 6 | 16 | 18 | 11 | 20 | 2 | 1 | 1 | 2 |
| Rainy days | 14 | 12 | 20 | 24 | 15 | 12 | 20 | 11 | 28 | 30 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Naranthanai is at