Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Helānchi
* Weather data for Helānchi Bangladesh is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.2 | 33.0 | 34.7 | 39.6 | 38.1 | 37.7 | 33.7 | 34.1 | 33.9 | 33.6 | 32.5 | 29.2 |
| Average daytime temperature (°C) | 25.7 | 29.6 | 31.4 | 35.2 | 34.3 | 33.8 | 32.5 | 32.3 | 31.7 | 31.3 | 29.2 | 25.5 |
| Average temperature (°C) | 18.9 | 22.8 | 25.3 | 28.7 | 29.0 | 29.7 | 29.0 | 28.6 | 28.1 | 26.8 | 23.7 | 19.8 |
| Average night temperature (°C) | 13.5 | 16.8 | 20.2 | 23.5 | 25.0 | 27.1 | 26.4 | 26.1 | 25.7 | 22.8 | 18.5 | 15.0 |
| Absolute minimum temperature (°C) | 10.6 | 12.1 | 18.0 | 20.7 | 22.6 | 24.9 | 25.2 | 25.2 | 24.4 | 19.5 | 15.4 | 11.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 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) | 9.5 | 9.5 | 9.3 | 10.5 | 10.2 | 7.3 | 9.8 | 8.1 | 7.3 | 8.9 | 9.3 | 8.7 |
| Precipitation (mm) | 0 | 1 | 120 | 50 | 236 | 337 | 243 | 398 | 320 | 208 | 48 | 34 |
| Sunny days | 30 | 24 | 14 | 19 | 6 | 1 | 0 | 0 | 0 | 18 | 25 | 27 |
| Rainy days | 1 | 4 | 17 | 11 | 25 | 29 | 31 | 31 | 30 | 13 | 5 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Helānchi is at