WeatherWX.com
Grenchen Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 27°F | Hi 41°F Lo 28°F | Hi 49°F Lo 33°F | Hi 57°F Lo 39°F | Hi 63°F Lo 46°F | Hi 71°F Lo 53°F | Hi 75°F Lo 57°F | Hi 75°F Lo 57°F | Hi 67°F Lo 51°F | Hi 59°F Lo 43°F | Hi 48°F Lo 36°F | Hi 40°F Lo 30°F |
| 6 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 4 mph | 4 mph | 4 mph | 4 mph | 5 mph | 6 mph |
| 3.8 in | 3.1 in | 2.7 in | 3.2 in | 5.7 in | 5.3 in | 5.1 in | 5.1 in | 3.6 in | 3.8 in | 4 in | 4.8 in |
| 87% | 84% | 80% | 79% | 81% | 81% | 78% | 78% | 82% | 83% | 84% | 86% |
| 51% | 48% | 44% | 43% | 48% | 42% | 37% | 35% | 38% | 40% | 45% | 51% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.0 in | 30.1 in |
| 14 | 14 | 20 | 20 | 18 | 18 | 19 | 19 | 22 | 23 | 19 | 13 |
| 12 | 10 | 8 | 9 | 13 | 12 | 12 | 12 | 8 | 8 | 9 | 14 |
| 6 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 4 | 3 | 1 | 2 |
| 133 | 126 | 171 | 174 | 158 | 183 | 215 | 220 | 197 | 201 | 164 | 134 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -3°C | Hi 5°C Lo -2°C | Hi 10°C Lo 1°C | Hi 14°C Lo 4°C | Hi 17°C Lo 8°C | Hi 22°C Lo 12°C | Hi 24°C Lo 14°C | Hi 24°C Lo 14°C | Hi 20°C Lo 10°C | Hi 15°C Lo 6°C | Hi 9°C Lo 2°C | Hi 5°C Lo -1°C |
| 9 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 7 km/h | 7 km/h | 6 km/h | 7 km/h | 7 km/h | 8 km/h | 9 km/h |
| 97 mm | 80 mm | 68 mm | 82 mm | 145 mm | 134 mm | 131 mm | 129 mm | 91 mm | 97 mm | 102 mm | 123 mm |
| 87% | 84% | 80% | 79% | 81% | 81% | 78% | 78% | 82% | 83% | 84% | 86% |
| 51% | 48% | 44% | 43% | 48% | 42% | 37% | 35% | 38% | 40% | 45% | 51% |
| 1020 mb | 1019 mb | 1018 mb | 1016 mb | 1017 mb | 1017 mb | 1017 mb | 1018 mb | 1018 mb | 1019 mb | 1017 mb | 1020 mb |
| 14 | 14 | 20 | 20 | 18 | 18 | 19 | 19 | 22 | 23 | 19 | 13 |
| 12 | 10 | 8 | 9 | 13 | 12 | 12 | 12 | 8 | 8 | 9 | 14 |
| 6 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 2 | 2 | 3 | 4 | 5 | 5 | 4 | 4 | 3 | 1 | 2 |
| 133 | 126 | 171 | 174 | 158 | 183 | 215 | 220 | 197 | 201 | 164 | 134 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.