Average annual temperature is 8.3 °C
Absolute maximum temperature: 23.5 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 124
Number of rainy days: 205
Number of snow days: 36
Average annual precipitation: 906 mm
Look at detailed online map of Ruhnu
* Weather data for Ruhnu Estonia is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 5.6 | 4.6 | 5.6 | 10.9 | 17.4 | 20.5 | 22 | 23.5 | 20.7 | 18 | 10.2 | 6.4 |
| Average daytime temperature (°C) | 2.2 | 1.6 | 2.4 | 6 | 11.5 | 16.5 | 17.9 | 19.1 | 18 | 10.4 | 5.1 | 2.3 |
| Average temperature (°C) | 1 | 0.6 | 1.2 | 4.6 | 10 | 15.2 | 16.9 | 18.1 | 16.8 | 9.1 | 4.2 | 1.4 |
| Average night temperature (°C) | -0.1 | -0.3 | 0.1 | 3.3 | 8.6 | 14 | 15.8 | 17.1 | 15.6 | 7.9 | 3.1 | 0.4 |
| Absolute minimum temperature (°C) | -6.7 | -5 | -3.4 | -0.4 | 2.7 | 8.3 | 14.7 | 14.7 | 13.5 | 2 | -3.5 | -4.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.3 | 10.5 | 13.1 | 15.6 | 17.6 | 18.1 | 18 | 16.4 | 14 | 11.5 | 9 | 7 |
| Daylight mean duration (h) | 7.4 | 9.4 | 11.8 | 14.4 | 16.7 | 18 | 17.4 | 15.3 | 12.8 | 10.3 | 8 | 6.7 |
| Daylight minimum duration (h) | 6.7 | 8.4 | 10.6 | 13.2 | 15.6 | 17.7 | 16.5 | 14.1 | 11.6 | 9.1 | 7.1 | 6.5 |
| Sunshine mean duration (h) | 3.9 | 4.5 | 6.7 | 10.7 | 13.9 | 14.3 | 13.3 | 10 | 9.6 | 4.9 | 3.4 | 1.9 |
| Precipitation (mm) | 80 | 40 | 50 | 20 | 14 | 32 | 97 | 183 | 57 | 169 | 75 | 89 |
| Sunny days | 8 | 8 | 5 | 19 | 22 | 22 | 8 | 8 | 18 | 2 | 2 | 2 |
| Rainy days | 18 | 13 | 16 | 9 | 9 | 8 | 23 | 23 | 12 | 29 | 23 | 22 |
| Snow days | 5 | 7 | 10 | 2 | 5 | 7 |
The best time to visit Ruhnu during the most sunny months:
Months with the longest average daylight duration in Ruhnu:
The largest precipitation sum in Ruhnu is at