Weather stations › Helsinki Helsingin majakka
Weather station · 101003
Helsinki Helsingin majakka
Coordinates
59.95°N, 24.93°E
Elevation
0 m
Data since
17.07.2003
Observation period
2003–2026 · 24 yr
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Climate summary
Annual mean temperature
6.9°C
whole-period average
Hot days / year
3
max ≥ 25 °C
Ice days / year
48
max < 0 °C
Annual mean temperature 2004–2024
▲ +1.0 °C over the period
2004anomaly from the period average · gaps shown in dark grey2024
Climate normals · monthly
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high | 7.8 | 7.9 | 12.1 | 19.7 | 26.2 | 27.5 | 29.2 | 27.3 | 22.3 | 16.4 | 13.5 | 9.7 | 29.2 |
| Mean maximum | 4.8 | 3.9 | 7.4 | 13.0 | 19.1 | 22.7 | 24.4 | 23.3 | 18.8 | 14.1 | 10.0 | 6.4 | 25.4 |
| Average high | 0.0 | -0.9 | 1.8 | 6.1 | 11.6 | 16.3 | 19.4 | 18.8 | 15.0 | 9.6 | 5.6 | 2.6 | 8.8 |
| Daily mean | -1.8 | -2.7 | -0.3 | 3.3 | 8.5 | 13.7 | 17.3 | 17.0 | 13.3 | 8.0 | 4.0 | 0.8 | 6.8 |
| Average low | -3.6 | -4.3 | -1.8 | 1.6 | 6.5 | 11.9 | 15.7 | 15.5 | 11.8 | 6.5 | 2.5 | -1.0 | 5.1 |
| Mean minimum | -11.8 | -11.7 | -7.6 | -2.1 | 1.8 | 7.5 | 11.7 | 11.2 | 6.9 | 0.9 | -3.8 | -7.3 | -14.4 |
| Record low | -19.1 | -20.9 | -15.3 | -4.9 | -1.0 | 2.6 | 9.4 | 8.6 | 2.5 | -3.5 | -11.2 | -18.0 | -20.9 |
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 · 29.9.
Measured for this calendar day
Warmest
17.3°C
2023
Coldest
5.2°C
2003
On average
11.0°C
20-year average
Open in tools
Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.