Average annual temperature is 28.0 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Parantan
* Weather data for Parantan 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) | 28.2 | 29.6 | 33.3 | 35.2 | 35.3 | 35.7 | 36.6 | 37.2 | 35.4 | 35.3 | 31.8 | 30.8 |
| Average daytime temperature (°C) | 27.2 | 27.9 | 30.7 | 33.2 | 32.4 | 33.6 | 34.6 | 35.6 | 33.9 | 32.5 | 29.2 | 28.4 |
| Average temperature (°C) | 25.2 | 25.5 | 27.4 | 29.0 | 29.0 | 30.1 | 30.2 | 30.4 | 29.5 | 27.9 | 26.2 | 26.1 |
| Average night temperature (°C) | 23.3 | 23.3 | 24.7 | 25.6 | 26.4 | 27.4 | 27.1 | 26.5 | 26.5 | 24.5 | 23.8 | 24.3 |
| Absolute minimum temperature (°C) | 21.1 | 21.5 | 23.2 | 23.8 | 24.2 | 26.1 | 26.2 | 25.8 | 25.4 | 23.0 | 23.0 | 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) | 9.6 | 10.3 | 11.1 | 10.9 | 9.3 | 10.5 | 9.8 | 11.2 | 10.5 | 10.3 | 7.9 | 7.7 |
| Precipitation (mm) | 88 | 150 | 27 | 76 | 60 | 35 | 18 | 20 | 30 | 135 | 492 | 306 |
| Sunny days | 15 | 18 | 11 | 12 | 17 | 17 | 19 | 21 | 2 | 3 | 0 | 2 |
| Rainy days | 16 | 10 | 20 | 18 | 14 | 13 | 12 | 10 | 28 | 28 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Parantan is at