Weather stations › Kemiönsaari Kemiö
Weather station · 100951
Kemiönsaari Kemiö
Coordinates
60.17°N, 22.76°E
Elevation
12 m
Data since
07.09.2009
Observation period
2009–2026 · 18 yr
Climate summary
Annual mean temperature
6.5 °C
whole-period average
Precipitation / year
690 mm
mean annual precipitation
Hot days / year
21
max ≥ 25 °C
Ice days / year
48
max < 0 °C
Annual mean temperature 2010–2025
▲ +1.6 °C over the period
Climate normals · monthly
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high | 8.9 | 9.1 | 12.8 | 22.0 | 29.6 | 30.9 | 33.3 | 31.2 | 27.5 | 17.8 | 14.3 | 10.2 | 33.3 |
| Mean maximum | 5.3 | 5.6 | 10.2 | 16.6 | 24.7 | 27.2 | 28.8 | 27.0 | 22.1 | 15.3 | 10.9 | 6.9 | 30.1 |
| Average high | -1.1 | -0.3 | 3.6 | 9.3 | 16.1 | 20.5 | 23.1 | 21.4 | 16.7 | 9.8 | 5.2 | 1.4 | 10.5 |
| Daily mean | -3.8 | -3.1 | -0.3 | 4.3 | 10.6 | 15.4 | 18.0 | 16.4 | 12.2 | 6.5 | 3.0 | -0.9 | 6.5 |
| Average low | -7.0 | -6.4 | -4.2 | -0.6 | 4.4 | 9.4 | 12.3 | 11.3 | 7.8 | 3.0 | 0.4 | -3.8 | 2.2 |
| Mean minimum | -20.9 | -18.0 | -14.7 | -7.5 | -3.2 | 3.3 | 6.2 | 4.8 | -0.4 | -5.2 | -8.3 | -14.6 | -23.2 |
| Record low | -27.8 | -30.6 | -25.9 | -13.1 | -5.5 | 0.1 | 3.3 | 1.9 | -2.9 | -12.7 | -20.5 | -28.1 | -30.6 |
| Precipitation (mm) | 56 | 45 | 35 | 37 | 38 | 53 | 57 | 86 | 63 | 74 | 72 | 81 | 697 |
| Maximum snow depth (cm) | 23 | 26 | 21 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 13 | 32 |
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
31.2°
2018
Coldest
5.9°
2019
On average
17.5°
16-year average
Wettest
9.4 mm
2023
Open in tools
Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.