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Weather & Climate
Grenchen, Solothurn, Switzerland
Overview
Climate data and monthly weather averages for Grenchen.
Key Metrics
Annual Avg
8.5°C
Summer Avg
17.4°C
Winter Avg
-0.3°C
Record High
34.1°C
Record Low
-19.7°C
Annual Precipitation
1141.9 mm
Avg Humidity
80%
Summer Humidity
76%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.1° | -0.8° | -17.2° | 76.9 | 85% | 35 | 54.4 |
| Feb | 15.4° | -0.2° | -19.7° | 61.3 | 83% | 54 | 59.1 |
| Mar | 20.6° | 3.8° | -19.5° | 80.3 | 81% | 99 | 52.8 |
| Apr | 24.1° | 8.1° | -6.7° | 83.1 | 78% | 134 | 40.9 |
| May | 27.6° | 12.1° | -2.7° | 129.6 | 79% | 160 | 43.3 |
| Jun | 31.7° | 16.4° | 1° | 117 | 77% | 180 | 38.3 |
| Jul | 31.8° | 18.1° | 5.2° | 120.6 | 75% | 182 | 35.1 |
| Aug | 34.1° | 17.7° | 5.8° | 126.5 | 75% | 156 | 46.6 |
| Sep | 28.9° | 13.6° | 0.3° | 83.1 | 79% | 114 | 41.5 |
| Oct | 26.7° | 9.5° | -6° | 94.2 | 81% | 73 | 43.8 |
| Nov | 19.9° | 3.9° | -11.4° | 82.2 | 85% | 39 | 49.4 |
| Dec | 14.2° | 0.1° | -15.9° | 87.1 | 84% | 28 | 59.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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