Average temperature in August is 26.9 °C
Average daytime temperature is 34.7 °C
Average night temperature is 21 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 27
Number of rainy days: 4
Number of snow days:
Precipitation sum: 84 mm
* Weather data for San Bernardino United States is based on climate observations for 2023 year
| August (°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 | 34.8 | 35.4 | 34 | 34.6 | 38.5 | 39.1 | 36.7 | 33.5 | 30.6 | 29.7 | 29.9 | 32.4 | 34.7 | 36.6 | 39.7 | 40.2 | 39.7 | 37.2 | 34.5 | 28.6 | 25.9 | 28.8 | 30.6 | 30.6 | 32.1 | 33.9 | 36.9 | 39.5 | 40.8 | 40.5 | 36.5 |
| Apparent max temperature | 34.9 | 35 | 32.8 | 34 | 37.6 | 37.4 | 34.4 | 33 | 31.9 | 29.3 | 31.6 | 33.7 | 35.4 | 37 | 39.8 | 39.4 | 38.9 | 36.4 | 33 | 28.3 | 28.6 | 32 | 35.4 | 33.2 | 35.4 | 35.4 | 38.1 | 40.4 | 40.4 | 39.2 | 35.1 |
| Mean temperature | 28.4 | 27.9 | 26.7 | 24.9 | 27.3 | 30 | 28.3 | 26.3 | 25 | 23.6 | 23.2 | 24.5 | 26 | 26.5 | 29.4 | 31.4 | 31.6 | 28.8 | 27.1 | 24.8 | 20.9 | 22.1 | 23.7 | 24.1 | 24.1 | 25.7 | 28.8 | 29.1 | 30.6 | 32.7 | 29.9 |
| Apparent mean temperature | 25.2 | 23.4 | 18.8 | 18.3 | 19.4 | 22.2 | 18.4 | 17.9 | 23 | 21.3 | 20.6 | 20.8 | 22.2 | 21.2 | 22.9 | 24.4 | 24.8 | 22.8 | 21.6 | 23.9 | 17.2 | 20.2 | 18 | 22.8 | 20.6 | 21.6 | 22.2 | 19.9 | 22.4 | 26.6 | 25.2 |
| Minimum temperature | 23.6 | 23 | 20.6 | 17.7 | 19.9 | 23.6 | 20.9 | 20.2 | 20.6 | 19.5 | 19 | 19.2 | 20.6 | 19.3 | 22 | 24.4 | 24.3 | 22.2 | 20.5 | 21.8 | 16.6 | 17.9 | 17.3 | 20 | 19.1 | 20.8 | 22.7 | 20 | 22.3 | 27.1 | 25 |
| Apparent min temperature | 29.3 | 28.2 | 25.8 | 24.6 | 27.5 | 29.4 | 27 | 24.9 | 26.5 | 25.2 | 24.6 | 26 | 27.2 | 27.8 | 30.4 | 31.3 | 31.5 | 28.7 | 26.7 | 25.8 | 22.4 | 24.7 | 26.5 | 27.5 | 26.8 | 27.3 | 29.5 | 30.2 | 31.3 | 32.3 | 29.9 |
| August | 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) | 13.8 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13 | 13 | 13 | 12.9 |
| Sunshine duration (h) | 12.1 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.4 | 10.9 | 11 | 11.6 | 12.4 | 12.4 | 12.3 | 12.2 | 12.2 | 12.3 | 12.3 | 10.2 | 1.5 | 7.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 3.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18.3 | 62.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 21.4 | 19.4 | 19.3 | 17.8 | 17.6 | 22.2 | 24.5 | 22.1 | 19.7 | 19.6 | 16.8 | 17.4 | 17.5 | 20.2 | 20.6 | 22.1 | 20.8 | 20.7 | 23 | 29.2 | 22.9 | 15.6 | 12.2 | 12 | 14.2 | 11.8 | 12.1 | 14.7 | 15.6 | 20.2 | 21.6 |
In August 2023, the highest daytime temperature in San Bernardino was 40.8°C.
While the minimum temperature at night dropped to 16.6°C.
The average nighttime and daytime temperatures during August in San Bernardino are 21°C and 34.7°C respectively.
The precipitation sum in August is about 84 mm.