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Weather & Climate
Sievi, Northern Ostrobothnia, Finland
Overview
Climate data and monthly weather averages for Sievi.
Key Metrics
Annual Avg
3.3°C
Summer Avg
14.6°C
Winter Avg
-7.3°C
Record High
31°C
Record Low
-32.9°C
Annual Precipitation
745 mm
Avg Humidity
89%
Summer Humidity
82%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.2° | -8.3° | -32.9° | 48.7 | 95% | 5 | 32.4 |
| Feb | 4.1° | -8.5° | -31.4° | 38.4 | 95% | 21 | 36.6 |
| Mar | 9.9° | -4.7° | -21.8° | 38.1 | 95% | 68 | 32.4 |
| Apr | 18.3° | 1.8° | -12.9° | 44.4 | 86% | 110 | 30 |
| May | 25.9° | 7.9° | -4° | 66.3 | 80% | 149 | 29.6 |
| Jun | 28.4° | 12.8° | -1.2° | 64.5 | 78% | 160 | 24 |
| Jul | 31° | 16.3° | 5.7° | 89.9 | 82% | 153 | 19.1 |
| Aug | 27.8° | 14.7° | 3.8° | 85.9 | 85% | 117 | 23 |
| Sep | 22.6° | 10° | -1° | 76.2 | 89% | 65 | 28.5 |
| Oct | 17° | 3.5° | -10.4° | 70.1 | 94% | 27 | 29.2 |
| Nov | 9.8° | -1.2° | -22.3° | 63.6 | 95% | 7 | 33.6 |
| Dec | 6.1° | -5.1° | -25° | 58.9 | 95% | 2 | 35.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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