Weather stations › Jämsä Halli Lentoasemantie
Weather station · 101338
Jämsä Halli Lentoasemantie
Coordinates
61.86°N, 24.81°E
Elevation
144 m
Data since
01.10.2008
Observation period
2008–2026 · 19 yr
Climate summary
Annual mean temperature
5.0 °C
whole-period average
Precipitation / year
650 mm
mean annual precipitation
Hot days / year
21
max ≥ 25 °C
Ice days / year
77
max < 0 °C
Annual mean temperature 2009–2025
▲ +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 | 8.3 | 8.8 | 14.4 | 21.1 | 29.7 | 33.4 | 33.4 | 32.4 | 26.4 | 18.5 | 12.5 | 9.9 | 33.4 |
| Mean maximum | 3.3 | 4.1 | 9.2 | 16.6 | 25.1 | 28.8 | 29.2 | 27.2 | 21.2 | 13.7 | 9.1 | 4.3 | 30.4 |
| Average high | -4.3 | -2.8 | 2.0 | 8.3 | 16.2 | 20.6 | 22.8 | 20.7 | 15.1 | 7.5 | 2.5 | -1.6 | 8.9 |
| Daily mean | -7.0 | -5.7 | -2.0 | 3.4 | 10.6 | 15.2 | 17.8 | 15.8 | 11.0 | 4.7 | 0.6 | -3.7 | 5.1 |
| Average low | -9.9 | -8.8 | -6.1 | -1.3 | 4.8 | 10.0 | 12.9 | 11.5 | 7.6 | 2.1 | -1.3 | -6.0 | 1.3 |
| Mean minimum | -24.8 | -21.8 | -18.1 | -9.3 | -2.6 | 3.4 | 6.9 | 4.9 | -0.1 | -5.2 | -10.4 | -16.7 | -26.6 |
| Record low | -31.1 | -32.9 | -26.5 | -14.5 | -5.3 | -1.2 | 1.7 | 2.5 | -2.9 | -10.9 | -22.5 | -30.5 | -32.9 |
| Precipitation (mm) | 42 | 36 | 31 | 37 | 41 | 69 | 80 | 74 | 70 | 65 | 57 | 54 | 655 |
| Maximum snow depth (cm) | 33 | 40 | 35 | 18 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 21 | 43 |
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 · 28.7.
Measured for this calendar day
Warmest
31.8°
2010
Coldest
10.1°
2017
On average
19.5°
17-year average
Wettest
32.9 mm
2023
Open in tools
Source: Finnish Meteorological Institute open data. Statistics are computed over the station's entire observation period.