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Weather & Climate
Janakkala, Tavastia Proper, Finland
Overview
Climate data and monthly weather averages for Janakkala.
Key Metrics
Annual Avg
4.5°C
Summer Avg
16°C
Winter Avg
-6.5°C
Record High
30.2°C
Record Low
-34.7°C
Annual Precipitation
729.1 mm
Avg Humidity
88%
Summer Humidity
79%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.5° | -7.5° | -33.8° | 52.1 | 95% | 8 | 28.7 |
| Feb | 5.3° | -7.4° | -34.7° | 40.6 | 95% | 23 | 35.5 |
| Mar | 13.9° | -3.3° | -22.6° | 40.3 | 94% | 69 | 29.4 |
| Apr | 19.6° | 3.6° | -9.6° | 43.8 | 82% | 113 | 29.1 |
| May | 28.4° | 10.1° | -3.4° | 55.2 | 77% | 160 | 23.3 |
| Jun | 29.9° | 14.4° | 1.3° | 84.6 | 77% | 161 | 25.5 |
| Jul | 30.2° | 17.6° | 6.5° | 80.9 | 79% | 161 | 21.5 |
| Aug | 29.8° | 16° | 4.4° | 72.9 | 82% | 124 | 27 |
| Sep | 22.8° | 11° | -1.5° | 61.5 | 87% | 72 | 28.3 |
| Oct | 16.3° | 4.4° | -11.3° | 71.3 | 92% | 34 | 27.1 |
| Nov | 11.1° | -0.4° | -25.1° | 63.6 | 95% | 10 | 30.9 |
| Dec | 8.4° | -4.6° | -30° | 62.3 | 95% | 5 | 33.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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