Average annual temperature is 12.5 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -10.1 °C
Number of sunny days: 121 days
Number of rainy days: 233 days
Number of snow days: 11 days
Look at detailed online map of Oberwil (BL)
* Weather data for Oberwil (BL) Switzerland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.8 | 16.0 | 20.0 | 19.6 | 24.9 | 30.7 | 35.2 | 36.1 | 30.1 | 27.0 | 16.9 | 13.8 |
| Average daytime temperature (°C) | 6.5 | 8.9 | 12.1 | 12.8 | 18.8 | 26.0 | 25.7 | 25.9 | 24.9 | 19.3 | 10.2 | 8.4 |
| Average temperature (°C) | 3.9 | 4.4 | 7.8 | 8.9 | 14.3 | 20.8 | 21.0 | 21.0 | 19.4 | 14.6 | 7.4 | 5.4 |
| Average night temperature (°C) | 1.1 | 0.9 | 3.7 | 4.9 | 9.7 | 15.1 | 16.3 | 16.6 | 14.3 | 10.2 | 4.5 | 3.0 |
| Absolute minimum temperature (°C) | -10.1 | -5.6 | -2.1 | -1.6 | 3.9 | 11.4 | 12.2 | 10.8 | 7.8 | 3.8 | -1.9 | -5.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.6 | 6.1 | 6.9 | 7.1 | 9.9 | 13.4 | 11.7 | 10.0 | 10.4 | 7.0 | 3.3 | 3.4 |
| Precipitation (mm) | 67 | 27 | 123 | 126 | 110 | 65 | 176 | 131 | 54 | 124 | 218 | 155 |
| Sunny days | 9 | 12 | 8 | 3 | 7 | 15 | 9 | 10 | 19 | 16 | 3 | 10 |
| Rainy days | 17 | 12 | 22 | 27 | 24 | 15 | 22 | 21 | 11 | 15 | 27 | 20 |
| Snow days | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Oberwil (BL) during the most sunny months:
Months with the longest average daylight duration in Oberwil (BL):
The largest precipitation sum in Oberwil (BL) is at