Average annual temperature is 10.9 °C
Absolute maximum temperature: 23.1 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 75 days
Number of rainy days: 284 days
Number of snow days: 6 days
Look at detailed online map of Rachau
* Weather data for Rachau Bhutan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.3 | 14.2 | 14.5 | 19.8 | 21.6 | 23.1 | 22.6 | 22.8 | 22.9 | 21.1 | 16.1 | 14.7 |
| Average daytime temperature (°C) | 10.6 | 10.9 | 12.4 | 15.7 | 17.4 | 20.5 | 20.7 | 20.8 | 20.3 | 16.5 | 14.3 | 11.9 |
| Average temperature (°C) | 4.0 | 5.6 | 6.7 | 10.1 | 12.3 | 16.1 | 17.1 | 17.1 | 15.8 | 11.7 | 8.0 | 5.5 |
| Average night temperature (°C) | -0.9 | 1.2 | 1.5 | 5.3 | 7.9 | 12.8 | 14.8 | 14.7 | 12.2 | 7.6 | 3.0 | 0.3 |
| Absolute minimum temperature (°C) | -4.3 | -1.4 | -1.3 | 1.6 | 3.8 | 8.6 | 12.5 | 12.1 | 10.0 | 3.1 | 1.0 | -3.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.4 | 7.9 | 9.4 | 10.5 | 10.7 | 9.9 | 7.9 | 7.4 | 9.5 | 9.4 | 9.7 | 9.3 |
| Precipitation (mm) | 1 | 50 | 124 | 132 | 169 | 369 | 709 | 807 | 290 | 187 | 18 | 13 |
| Sunny days | 27 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 15 | 23 |
| Rainy days | 1 | 20 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 28 | 15 | 7 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Rachau is at