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Weather & Climate
Hamina, Kymenlaakso, Finland
Overview
Climate data and monthly weather averages for Hamina.
Key Metrics
Annual Avg
5.4°C
Summer Avg
16.3°C
Winter Avg
-4.7°C
Record High
28.5°C
Record Low
-30°C
Annual Precipitation
764.1 mm
Avg Humidity
88%
Summer Humidity
81%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.1° | -5.7° | -27.5° | 56.7 | 95% | 8 | 40.3 |
| Feb | 4.8° | -6.2° | -30° | 47.3 | 95% | 25 | 42.6 |
| Mar | 9.9° | -2.9° | -20.4° | 44.6 | 93% | 71 | 37.4 |
| Apr | 16.2° | 3° | -10.4° | 44.1 | 85% | 114 | 38.3 |
| May | 25.3° | 9.4° | -1.9° | 57 | 80% | 165 | 32.5 |
| Jun | 26.9° | 14.1° | 3.1° | 73.2 | 80% | 167 | 35.4 |
| Jul | 28.5° | 17.9° | 8.2° | 69.1 | 81% | 168 | 40.2 |
| Aug | 27.4° | 16.9° | 7.3° | 77.8 | 81% | 128 | 34.4 |
| Sep | 22.2° | 12.4° | 2.7° | 71.7 | 86% | 73 | 40 |
| Oct | 15.6° | 6.1° | -5.2° | 81.2 | 90% | 33 | 39.7 |
| Nov | 11.1° | 1.5° | -16.9° | 72.9 | 93% | 10 | 48.3 |
| Dec | 7.8° | -2.3° | -23.2° | 68.5 | 95% | 4 | 46 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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