Ruhnu weather — today and 5-day forecast
23.0°C
air temp
Wind
3.7 m/s
West
Humidity
80.0%
Pressure
1016.0 hPa
5-day forecast
24°
19°
4.8 m/s
22°
19°
6.0 m/s
22°
18°
3.5 m/s
18°
17°
9.3 m/s
18°
16°
8.9 m/s
Hourly forecast
23°5 m/s
22°5 m/s
22°4 m/s
21°4 m/s
20°4 m/s
21°4 m/s
21°3 m/s
20°3 m/s
20°4 m/s
20°4 m/s
20°5 m/s
20°5 m/s
20°6 m/s
20°6 m/s
20°5 m/s
20°5 m/s
20°5 m/s
21°5 m/s
21°6 m/s
21°6 m/s
22°6 m/s
22°6 m/s
21°6 m/s
21°6 m/s
Location & geography
Ruhnu is a small island far out in the Gulf of Riga, with a unique historical Swedish heritage. Its open-sea location means strong winds year-round — the weather forecast is critical information for navigation around the island.
- Coordinates: 57,797° N, 23,262° E
- Elevation: 9 m
- County: Saare County
Monthly averages
| Month | Avg °C | Avg high °C | Avg low °C | Precip mm |
|---|---|---|---|---|
| Jan | -0.6 | 0.6 | -1.8 | 48.0 |
| Feb | -1.7 | -0.4 | -2.9 | 40.7 |
| Mar | -0.1 | 1.2 | -1.2 | 32.8 |
| Apr | 3.4 | 4.7 | 2.4 | 33.5 |
| May | 8.5 | 9.8 | 7.5 | 34.5 |
| Jun | 14.1 | 15.3 | 13.1 | 54.7 |
| Jul | 17.9 | 19.0 | 17.0 | 59.3 |
| Aug | 18.1 | 19.2 | 17.1 | 85.7 |
| Sep | 14.3 | 15.4 | 13.4 | 67.0 |
| Oct | 9.3 | 10.3 | 8.4 | 81.7 |
| Nov | 5.0 | 6.0 | 4.1 | 71.3 |
| Dec | 1.6 | 2.7 | 0.5 | 57.7 |
Frequently asked questions
How warm are the summers?
The warmest month is August, when the average daily air temperature is 18.1°C.
How cold are the winters?
The coldest month is February, averaging -1.7°C. Snow cover comes and melts several times through the winter.
How much precipitation falls per year?
On average 667 mm falls per year. The wettest month is August (85.7 mm), the driest March (32.8 mm).
How large is the annual temperature swing?
The difference between the warmest (August) and coldest (February) months' averages is about 20°C.