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Weather & Climate
Merimasku, Finland Proper, Finland
Overview
Climate data and monthly weather averages for Merimasku.
Key Metrics
Annual Avg
6.1°C
Summer Avg
15.9°C
Winter Avg
-2.6°C
Record High
31.1°C
Record Low
-23.7°C
Annual Precipitation
722.9 mm
Avg Humidity
87%
Summer Humidity
79%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.3° | -3.2° | -23.5° | 60.4 | 95% | 8 | 40.1 |
| Feb | 6° | -3.8° | -23.7° | 46.2 | 95% | 25 | 50.6 |
| Mar | 10.2° | -1.3° | -18.8° | 41.9 | 90% | 74 | 38.5 |
| Apr | 19° | 3.6° | -6.5° | 39.9 | 83% | 120 | 38.3 |
| May | 26.4° | 9.2° | -2.3° | 45.3 | 79% | 172 | 30.4 |
| Jun | 28.3° | 13.7° | 2.8° | 61.2 | 78% | 183 | 32.5 |
| Jul | 31.1° | 17.4° | 8.2° | 62.9 | 79% | 174 | 30.7 |
| Aug | 28.5° | 16.7° | 6.8° | 72.5 | 80% | 134 | 29.1 |
| Sep | 23.6° | 12.5° | 2.4° | 67.2 | 85% | 77 | 39.6 |
| Oct | 16° | 6.6° | -4.8° | 79.7 | 89% | 35 | 38.7 |
| Nov | 12.2° | 2.6° | -15° | 75 | 93% | 10 | 45 |
| Dec | 8.4° | -0.7° | -22.6° | 70.7 | 94% | 4 | 52.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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