Weather stations › Hanko Russarö
Weather station · 100932
Hanko Russarö
Coordinates
59.77°N, 22.95°E
Elevation
6 m
Data since
01.01.1959
Observation period
1959–2026 · 68 yr
Climate summary
Annual mean temperature
6.2 °C
whole-period average
Precipitation / year
540 mm
mean annual precipitation
Hot days / year
2
max ≥ 25 °C
Ice days / year
47
max < 0 °C
Annual mean temperature 1959–2025
▲ +2.7 °C over the period
Climate normals · monthly
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high | 7.6 | 6.8 | 10.2 | 17.7 | 26.5 | 28.2 | 30.5 | 27.7 | 22.6 | 16.1 | 12.9 | 9.3 | 30.5 |
| Mean maximum | 4.8 | 3.7 | 5.9 | 11.6 | 18.8 | 21.9 | 25.0 | 23.7 | 19.4 | 14.2 | 9.6 | 6.4 | 25.8 |
| Average high | 0.6 | -0.5 | 1.7 | 6.0 | 11.6 | 16.3 | 20.3 | 19.8 | 15.5 | 9.8 | 5.5 | 2.8 | 9.1 |
| Daily mean | -1.3 | -2.5 | -0.5 | 3.2 | 8.4 | 13.4 | 17.4 | 17.2 | 13.2 | 7.9 | 3.9 | 1.0 | 6.8 |
| Average low | -3.3 | -4.6 | -2.7 | 1.1 | 5.9 | 11.1 | 15.0 | 14.9 | 11.2 | 6.2 | 2.2 | -0.8 | 4.7 |
| Mean minimum | -12.9 | -13.3 | -9.4 | -3.0 | 1.5 | 7.0 | 11.0 | 10.7 | 5.9 | -0.4 | -4.1 | -8.4 | -16.0 |
| Record low | -25.5 | -22.2 | -18.2 | -8.3 | -1.4 | 4.9 | 8.6 | 7.8 | 2.1 | -5.9 | -12.3 | -19.5 | -25.5 |
| Precipitation (mm) | 55 | 42 | 36 | 32 | 29 | 41 | 52 | 70 | 57 | 70 | 68 | 65 | 616 |
| Maximum snow depth (cm) | 12 | 13 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 10 | 21 |
All values for the selected period · temperatures °C · snow: mean of the maximum snow depth; the Year column covers the whole year
Records
Extremes over the entire observation period
On this day · 1.8.
Measured for this calendar day
Warmest
27.5°
2003
Coldest
11.6°
1976
On average
17.8°
66-year average
Wettest
24 mm
2002
Open in tools
Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.