Average annual temperature is 25.8 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 176 days
Number of rainy days: 189 days
Look at detailed online map of Siālmāri
* Weather data for Siālmāri 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) | 29.5 | 34.1 | 35.3 | 40.3 | 39.8 | 39.1 | 33.8 | 34.5 | 33.9 | 33.6 | 32.2 | 29.9 |
| Average daytime temperature (°C) | 24.9 | 29.5 | 31.7 | 35.2 | 35.0 | 34.8 | 32.5 | 32.2 | 31.7 | 31.3 | 29.5 | 25.6 |
| Average temperature (°C) | 18.3 | 22.5 | 25.3 | 28.5 | 29.2 | 30.0 | 29.0 | 28.6 | 28.1 | 26.7 | 23.9 | 19.8 |
| Average night temperature (°C) | 12.8 | 15.8 | 20.0 | 22.7 | 24.8 | 26.8 | 26.3 | 26.0 | 25.6 | 22.4 | 18.4 | 14.9 |
| Absolute minimum temperature (°C) | 9.6 | 11.5 | 17.7 | 19.8 | 22.5 | 24.3 | 25.4 | 24.6 | 24.2 | 19.2 | 15.1 | 11.5 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 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) | 9.6 | 9.9 | 9.2 | 10.7 | 10.3 | 7.9 | 9.6 | 8.2 | 7.4 | 9.2 | 9.6 | 8.5 |
| Precipitation (mm) | 0 | 0 | 122 | 59 | 225 | 354 | 231 | 315 | 336 | 168 | 7 | 30 |
| Sunny days | 30 | 26 | 15 | 18 | 8 | 4 | 0 | 1 | 1 | 20 | 26 | 27 |
| Rainy days | 1 | 2 | 16 | 12 | 23 | 26 | 31 | 30 | 29 | 11 | 4 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siālmāri is at