Weather stations › Maarianhamina Länsisatama
Weather station · 151029
Maarianhamina Länsisatama
Coordinates
60.09°N, 19.93°E
Elevation
2 m
Data since
07.09.2016
Observation period
2016–2026 · 11 yr
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Climate summary
Annual mean temperature
7.6 °C
whole-period average
Hot days / year
7
max ≥ 25 °C
Ice days / year
29
max < 0 °C
Annual mean temperature 2017–2025
2017anomaly from the period average · gaps shown in dark grey2025
Climate normals · monthly
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high | 8.7 | 9.2 | 15.1 | 19.9 | 26.0 | 28.3 | 31.5 | 27.6 | 25.6 | 16.5 | 16.2 | 10.3 | 31.5 |
| Mean maximum | 6.4 | 6.2 | 9.7 | 13.5 | 21.1 | 25.3 | 26.5 | 24.4 | 21.2 | 13.9 | 11.0 | 7.6 | 28.3 |
| Average high | 2.0 | 1.5 | 3.7 | 7.6 | 13.1 | 18.8 | 20.9 | 19.7 | 16.0 | 10.2 | 5.9 | 3.3 | 10.2 |
| Daily mean | 0.3 | -0.5 | 1.1 | 4.3 | 9.3 | 15.1 | 17.6 | 17.0 | 13.3 | 8.4 | 4.4 | 1.6 | 7.7 |
| Average low | -1.7 | -2.6 | -1.4 | 1.2 | 5.9 | 11.8 | 14.5 | 14.6 | 10.9 | 6.2 | 2.6 | -0.3 | 5.1 |
| Mean minimum | -8.8 | -10.4 | -8.2 | -4.2 | -0.2 | 6.5 | 9.9 | 9.7 | 4.5 | 0.0 | -3.6 | -6.9 | -12.2 |
| Record low | -14.5 | -17.4 | -15.5 | -5.8 | -2.5 | 3.8 | 8.3 | 7.2 | 2.7 | -3.3 | -7.7 | -14.0 | -17.4 |
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 · 31.7.
Measured for this calendar day
Warmest
24.6°
2018
Coldest
11.4°
2019
On average
18.0°
9-year average
Open in tools
Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.