Average annual temperature is 24.6 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 8.0 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of Sylhet
* Weather data for Sylhet 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) | 28.0 | 29.8 | 32.1 | 35.6 | 35.8 | 35.7 | 35.2 | 36.5 | 36.7 | 33.1 | 32.8 | 28.5 |
| Average daytime temperature (°C) | 24.4 | 26.8 | 28.8 | 31.7 | 32.0 | 31.4 | 32.3 | 31.7 | 32.9 | 30.6 | 29.3 | 25.7 |
| Average temperature (°C) | 17.5 | 20.0 | 22.3 | 25.5 | 26.9 | 27.4 | 28.5 | 28.0 | 28.8 | 26.1 | 23.5 | 20.1 |
| Average night temperature (°C) | 11.5 | 14.2 | 17.5 | 20.4 | 22.6 | 24.6 | 25.4 | 25.3 | 25.5 | 22.3 | 18.1 | 15.1 |
| Absolute minimum temperature (°C) | 8.0 | 10.5 | 15.9 | 17.5 | 21.1 | 22.7 | 24.4 | 24.0 | 24.1 | 20.2 | 15.4 | 11.6 |
| 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 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 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 | 9.1 | 7.5 | 9.1 | 9.9 | 7.2 | 8.2 | 6.7 | 9.1 | 8.9 | 9.3 | 8.4 |
| Precipitation (mm) | 1 | 26 | 139 | 117 | 236 | 752 | 670 | 765 | 424 | 348 | 41 | 17 |
| Sunny days | 28 | 19 | 14 | 15 | 7 | 2 | 1 | 2 | 4 | 13 | 27 | 23 |
| Rainy days | 3 | 9 | 17 | 15 | 24 | 28 | 30 | 29 | 26 | 18 | 3 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sylhet is at