Average temperature in July is 20.4 °C
Average daytime temperature is 25.5 °C
Average night temperature is 15.4 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 11 °C
Number of sunny days: 10
Number of rainy days: 21
Number of snow days:
Precipitation sum: 162 mm
* Weather data for Biel/bienne Switzerland is based on climate observations for 2023 year
| July (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 20.8 | 21.8 | 22.1 | 23.7 | 21.3 | 22.3 | 29.6 | 28.3 | 33.3 | 28.6 | 33.3 | 24.7 | 25 | 28.2 | 31.4 | 24.2 | 26.4 | 27 | 28.6 | 26.1 | 23.6 | 24.6 | 28.2 | 24.5 | 20 | 19.4 | 25.8 | 26 | 23.7 | 23.8 | 24.9 |
| Apparent max temperature | 19.6 | 21.2 | 21.4 | 25.3 | 20.9 | 24.4 | 30.5 | 30.9 | 35 | 32 | 36.3 | 27.7 | 25 | 30 | 31.8 | 25 | 27.9 | 30.3 | 30.3 | 27.3 | 25.1 | 23.6 | 27.3 | 26.9 | 18 | 17.8 | 24.6 | 26.6 | 25.4 | 23.6 | 25.1 |
| Mean temperature | 18 | 18.7 | 19.1 | 19 | 17.8 | 18.6 | 22.4 | 22.4 | 25.6 | 24 | 25.8 | 20.3 | 19.6 | 21.7 | 24.7 | 20.1 | 21.6 | 21.2 | 22.6 | 20.9 | 18.4 | 19.7 | 21.9 | 19.5 | 16.3 | 15.5 | 18.9 | 20.5 | 19.1 | 18.9 | 19 |
| Apparent mean temperature | 15.4 | 15.9 | 16.8 | 15.1 | 14 | 13.5 | 14.4 | 18.4 | 19.3 | 21.1 | 21.5 | 18.3 | 13.4 | 13.7 | 18.2 | 17.1 | 19 | 16 | 17.7 | 15.5 | 14.3 | 14.4 | 13.8 | 18 | 12.7 | 10.5 | 11.2 | 15.9 | 17.7 | 14.5 | 11.6 |
| Minimum temperature | 14.8 | 16 | 16.3 | 14.5 | 13.8 | 13.3 | 14.8 | 18.1 | 18.6 | 20.3 | 19.9 | 16.8 | 13.7 | 14.2 | 17.6 | 16.6 | 17.5 | 16.1 | 17.4 | 15 | 13.9 | 13.9 | 14 | 16.8 | 12.7 | 11 | 12 | 15.4 | 16.4 | 14.5 | 11.8 |
| Apparent min temperature | 17.5 | 18.5 | 18.7 | 20.1 | 17.5 | 19.1 | 22.9 | 23.8 | 27.3 | 26.6 | 28.1 | 22.3 | 20.2 | 22 | 25.7 | 20.7 | 22.9 | 22.5 | 23.6 | 21.3 | 19.3 | 19.7 | 21.5 | 20.8 | 15.6 | 14.5 | 18.5 | 20.9 | 20.3 | 18.9 | 18.9 |
| July | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 15.8 | 15.8 | 15.8 | 15.8 | 15.8 | 15.8 | 15.7 | 15.7 | 15.7 | 15.7 | 15.7 | 15.6 | 15.6 | 15.6 | 15.5 | 15.5 | 15.5 | 15.5 | 15.4 | 15.4 | 15.4 | 15.3 | 15.3 | 15.2 | 15.2 | 15.2 | 15.1 | 15.1 | 15 | 15 | 15 |
| Sunshine duration (h) | 10.9 | 10 | 11.1 | 14.5 | 12.6 | 13.6 | 14.6 | 8.9 | 13.9 | 13.3 | 12.2 | 3.6 | 12.5 | 14.4 | 13.8 | 11.6 | 9.5 | 11.1 | 13.9 | 13.4 | 13.1 | 13.7 | 14.1 | 4.6 | 12.1 | 11.9 | 13.3 | 11.7 | 5.2 | 12.5 | 12.5 |
| Precipitation (mm) | 0.3 | 2.2 | 0 | 4.9 | 4.1 | 2.1 | 0 | 1.6 | 0 | 3 | 2.2 | 42.2 | 4 | 0 | 0 | 0.1 | 0 | 24.8 | 3.4 | 0 | 5.8 | 0.4 | 0 | 23.6 | 13.5 | 1.8 | 0 | 0.4 | 19 | 2.3 | 0 |
| Precipitation hours | 1 | 8 | 0 | 6 | 7 | 6 | 0 | 4 | 0 | 4 | 4 | 17 | 11 | 0 | 0 | 1 | 0 | 10 | 7 | 0 | 14 | 4 | 0 | 15 | 18 | 11 | 0 | 3 | 18 | 5 | 0 |
| Wind speed (m/s) | 18.4 | 14.3 | 14.1 | 9.8 | 16.5 | 10 | 8.2 | 9.8 | 6.4 | 13.1 | 12.5 | 9.9 | 11 | 12.5 | 18.6 | 12.3 | 9.7 | 17.1 | 15.5 | 11.3 | 13.2 | 12.7 | 22 | 18.6 | 20.5 | 12.3 | 15.6 | 19 | 15.3 | 15.7 | 10.3 |
In July 2023, the highest daytime temperature in Biel/bienne was 33.3°C.
While the minimum temperature at night dropped to 11°C.
The average nighttime and daytime temperatures during July in Biel/bienne are 15.4°C and 25.5°C respectively.
The precipitation sum in July is about 162 mm.