Average annual temperature is 26.0 °C
Absolute maximum temperature: 43.2 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of Islampur
* Weather data for Islampur 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) | 27.5 | 33.7 | 34.8 | 43.2 | 41.1 | 42.9 | 35.3 | 36.5 | 36.2 | 33.2 | 31.3 | 29.3 |
| Average daytime temperature (°C) | 23.6 | 28.3 | 31.7 | 36.8 | 36.0 | 36.9 | 33.2 | 33.0 | 32.5 | 31.1 | 29.3 | 25.2 |
| Average temperature (°C) | 17.2 | 21.4 | 25.2 | 29.1 | 29.8 | 31.5 | 29.6 | 29.2 | 28.8 | 26.6 | 23.6 | 19.5 |
| Average night temperature (°C) | 12.0 | 15.1 | 19.6 | 22.6 | 24.8 | 27.6 | 26.6 | 26.4 | 26.0 | 22.4 | 18.4 | 14.5 |
| Absolute minimum temperature (°C) | 8.9 | 11.6 | 17.7 | 19.2 | 22.3 | 24.9 | 25.4 | 25.0 | 24.4 | 19.1 | 14.8 | 10.9 |
| 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 | 10.6 |
| 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 | 10.3 | 10.0 | 10.8 | 10.6 | 8.5 | 9.9 | 8.6 | 8.0 | 9.3 | 9.8 | 8.6 |
| Precipitation (mm) | 0 | 0 | 118 | 36 | 66 | 278 | 188 | 248 | 305 | 138 | 1 | 32 |
| Sunny days | 30 | 28 | 21 | 21 | 16 | 7 | 1 | 1 | 0 | 16 | 26 | 28 |
| Rainy days | 1 | 0 | 10 | 9 | 15 | 23 | 30 | 30 | 30 | 15 | 4 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Islampur is at