Average annual temperature is 15.5 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 263 days
Number of rainy days: 102 days
Look at detailed online map of City of Brentwood
* Weather data for City of Brentwood United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.0 | 18.3 | 18.7 | 31.4 | 31.9 | 38.5 | 41.9 | 39.0 | 33.2 | 34.0 | 26.8 | 18.6 |
| Average daytime temperature (°C) | 13.2 | 13.2 | 14.2 | 20.9 | 23.2 | 27.3 | 34.6 | 34.0 | 28.6 | 26.0 | 18.8 | 15.3 |
| Average temperature (°C) | 8.8 | 8.1 | 9.0 | 13.5 | 15.8 | 18.4 | 24.1 | 24.3 | 20.1 | 18.6 | 13.4 | 10.7 |
| Average night temperature (°C) | 5.4 | 3.9 | 5.4 | 8.2 | 10.7 | 12.5 | 15.7 | 17.1 | 14.3 | 12.8 | 8.6 | 7.1 |
| Absolute minimum temperature (°C) | 1.2 | 0.4 | 0.7 | 2.0 | 7.1 | 9.8 | 11.9 | 13.7 | 11.4 | 5.5 | 2.2 | 2.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.8 | 7.7 | 7.8 | 11.4 | 11.5 | 13.2 | 13.3 | 12.3 | 11.0 | 9.6 | 8.2 | 6.4 |
| Precipitation (mm) | 239 | 84 | 197 | 2 | 25 | 0 | 0 | 8 | 1 | 6 | 40 | 100 |
| Sunny days | 11 | 16 | 10 | 26 | 21 | 30 | 31 | 27 | 27 | 25 | 22 | 17 |
| Rainy days | 20 | 12 | 21 | 4 | 10 | 0 | 0 | 4 | 3 | 6 | 8 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Brentwood during the most sunny months:
The largest precipitation sum in City of Brentwood is at