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Weather & Climate
Ähtäri, Southern Ostrobothnia, Finland
Overview
Climate data and monthly weather averages for Ähtäri.
Key Metrics
Annual Avg
3.5°C
Summer Avg
15°C
Winter Avg
-7.5°C
Record High
30.8°C
Record Low
-37.4°C
Annual Precipitation
801.3 mm
Avg Humidity
89%
Summer Humidity
81%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.4° | -8.6° | -37.4° | 54.3 | 95% | 6 | 27.7 |
| Feb | 5.1° | -8.3° | -33.6° | 42.6 | 95% | 21 | 30.9 |
| Mar | 12.6° | -4.4° | -22.2° | 40.9 | 95% | 67 | 29.2 |
| Apr | 20.2° | 2.5° | -14.5° | 52.8 | 85% | 107 | 25 |
| May | 28.3° | 9.1° | -4.9° | 65.7 | 79% | 149 | 24 |
| Jun | 28.2° | 13.5° | -0.8° | 88.2 | 78% | 157 | 22.4 |
| Jul | 30.8° | 16.7° | 4° | 94.5 | 81% | 152 | 18 |
| Aug | 28.7° | 14.9° | 2.3° | 84 | 85% | 119 | 24.7 |
| Sep | 23.5° | 9.9° | -2.8° | 72.3 | 90% | 66 | 24.7 |
| Oct | 16.1° | 3.3° | -12° | 75.6 | 95% | 28 | 24 |
| Nov | 10.9° | -1.4° | -26.1° | 68.7 | 95% | 8 | 27.7 |
| Dec | 7.3° | -5.5° | -27.4° | 61.7 | 95% | 3 | 31.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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