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Weather & Climate
Jämsä, Central Finland, Finland
Overview
Climate data and monthly weather averages for Jämsä.
Key Metrics
Annual Avg
3.7°C
Summer Avg
15.8°C
Winter Avg
-8°C
Record High
30.2°C
Record Low
-40.7°C
Annual Precipitation
808.2 mm
Avg Humidity
88%
Summer Humidity
80%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.5° | -9.3° | -40.7° | 54.9 | 95% | 7 | 31.1 |
| Feb | 5.1° | -8.7° | -35.3° | 42.3 | 95% | 22 | 32.7 |
| Mar | 12.2° | -4.3° | -23.6° | 40.3 | 95% | 68 | 34.5 |
| Apr | 19.3° | 3° | -10.3° | 49.8 | 84% | 108 | 29 |
| May | 27.1° | 9.9° | -3.2° | 64.8 | 77% | 153 | 26.5 |
| Jun | 27.7° | 14.3° | 0.1° | 94.5 | 77% | 158 | 26.9 |
| Jul | 30.2° | 17.5° | 6.2° | 98 | 79% | 156 | 21.9 |
| Aug | 28.5° | 15.7° | 4.1° | 85.6 | 83% | 121 | 30 |
| Sep | 21.5° | 10.5° | -1.5° | 72 | 88% | 68 | 28 |
| Oct | 15.1° | 3.6° | -13.4° | 75.3 | 94% | 30 | 27.7 |
| Nov | 10.2° | -1.7° | -29° | 67.2 | 95% | 9 | 31.2 |
| Dec | 7.5° | -6° | -31.1° | 63.5 | 95% | 4 | 33.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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