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Weather & Climate
Posio, Lapland, Finland
Overview
Climate data and monthly weather averages for Posio.
Key Metrics
Annual Avg
0.4°C
Summer Avg
13.3°C
Winter Avg
-11.6°C
Record High
29.1°C
Record Low
-36.7°C
Annual Precipitation
855.4 mm
Avg Humidity
91%
Summer Humidity
82%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 0.3° | -12.9° | -36.7° | 49.9 | 95% | 2 | 31.2 |
| Feb | 0.4° | -12° | -35.4° | 38.4 | 95% | 16 | 32.4 |
| Mar | 0.6° | -7.7° | -26.8° | 43.7 | 95% | 61 | 31.5 |
| Apr | 15° | -1.7° | -17.4° | 49.5 | 95% | 113 | 30.8 |
| May | 23.5° | 6.1° | -9° | 84.9 | 84% | 146 | 31.7 |
| Jun | 28.8° | 11.7° | -0.3° | 96.3 | 79% | 152 | 26.9 |
| Jul | 29.1° | 15.4° | 3.2° | 113.8 | 82% | 143 | 24.9 |
| Aug | 26.2° | 12.9° | 1.7° | 102 | 86% | 104 | 21.7 |
| Sep | 19.6° | 7.7° | -3.2° | 85.5 | 91% | 55 | 24.4 |
| Oct | 12.8° | 0.4° | -14.5° | 72.5 | 95% | 19 | 25.5 |
| Nov | 7.3° | -5.6° | -25.5° | 61.2 | 95% | 4 | 31.6 |
| Dec | 0.5° | -9.9° | -32.3° | 57.7 | 95% | 0 | 35.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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