Average annual temperature is 24.9 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 212 days
Number of rainy days: 153 days
Look at detailed online map of Helānātola
* Weather data for Helānātola India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.9 | 32.3 | 34.4 | 41.0 | 41.9 | 41.5 | 34.0 | 32.6 | 33.3 | 31.9 | 30.1 | 28.2 |
| Average daytime temperature (°C) | 23.6 | 27.5 | 30.4 | 35.3 | 37.4 | 37.7 | 32.2 | 30.5 | 30.7 | 29.4 | 27.7 | 23.3 |
| Average temperature (°C) | 16.5 | 20.4 | 24.0 | 29.0 | 30.7 | 32.3 | 28.2 | 27.1 | 26.6 | 24.6 | 21.9 | 17.5 |
| Average night temperature (°C) | 10.7 | 14.2 | 18.3 | 22.6 | 24.5 | 27.5 | 25.1 | 24.6 | 23.9 | 20.5 | 16.4 | 12.8 |
| Absolute minimum temperature (°C) | 7.3 | 10.8 | 14.2 | 17.9 | 20.5 | 23.9 | 23.8 | 23.5 | 22.5 | 17.2 | 13.9 | 10.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.6 | 10.6 | 10.0 | 10.5 | 11.1 | 10.7 | 9.9 | 8.0 | 8.7 | 9.4 | 9.8 | 8.6 |
| Precipitation (mm) | 0 | 0 | 51 | 7 | 40 | 94 | 216 | 180 | 248 | 90 | 1 | 27 |
| Sunny days | 30 | 28 | 19 | 23 | 22 | 17 | 1 | 2 | 0 | 20 | 25 | 25 |
| Rainy days | 1 | 0 | 12 | 7 | 9 | 13 | 30 | 29 | 30 | 11 | 5 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helānātola is at