Average annual temperature is 25.6 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 162 days
Number of rainy days: 203 days
Look at detailed online map of Rāyergaon
* Weather data for Rāyergaon 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) | 28.1 | 32.4 | 34.4 | 40.6 | 40.1 | 38.1 | 35.0 | 35.8 | 36.0 | 32.2 | 33.1 | 28.9 |
| Average daytime temperature (°C) | 25.4 | 28.9 | 31.1 | 35.1 | 34.2 | 33.5 | 33.0 | 32.2 | 32.5 | 30.9 | 29.2 | 25.6 |
| Average temperature (°C) | 18.2 | 21.9 | 24.5 | 28.0 | 28.5 | 29.2 | 29.3 | 28.4 | 28.6 | 26.4 | 23.6 | 19.9 |
| Average night temperature (°C) | 12.0 | 15.3 | 18.9 | 22.2 | 23.8 | 26.1 | 26.4 | 25.7 | 25.6 | 22.3 | 18.2 | 14.7 |
| Absolute minimum temperature (°C) | 9.1 | 11.3 | 16.3 | 18.4 | 21.8 | 24.2 | 24.9 | 24.9 | 24.7 | 19.3 | 15.6 | 10.7 |
| 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) | 9.7 | 9.3 | 9.0 | 10.2 | 9.8 | 7.5 | 9.2 | 7.8 | 8.7 | 8.9 | 9.2 | 8.4 |
| Precipitation (mm) | 0 | 2 | 109 | 56 | 185 | 398 | 173 | 412 | 283 | 171 | 53 | 47 |
| Sunny days | 30 | 21 | 14 | 15 | 9 | 1 | 1 | 1 | 2 | 16 | 26 | 26 |
| Rainy days | 1 | 7 | 17 | 15 | 22 | 29 | 30 | 30 | 28 | 15 | 4 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rāyergaon is at