Average annual temperature is 7.9 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -29.1 °C
Number of sunny days: 220 days
Number of rainy days: 109 days
Number of snow days: 36 days
Look at detailed online map of Brentford
* Weather data for Brentford 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) | 2.1 | 3.2 | 3.6 | 19.3 | 29.9 | 35.9 | 35.1 | 34.4 | 34.8 | 29.9 | 16.1 | 10.7 |
| Average daytime temperature (°C) | -5.6 | -2.7 | -2.2 | 8.7 | 24.1 | 29.1 | 28.0 | 28.0 | 25.2 | 14.7 | 8.2 | 3.8 |
| Average temperature (°C) | -9.4 | -8.4 | -7.1 | 3.1 | 17.3 | 23.2 | 21.9 | 22.3 | 19.4 | 9.6 | 2.3 | -0.5 |
| Average night temperature (°C) | -12.9 | -12.7 | -11.0 | -1.4 | 10.9 | 17.5 | 16.1 | 17.5 | 14.4 | 5.6 | -2.0 | -3.5 |
| Absolute minimum temperature (°C) | -27.8 | -29.1 | -21.3 | -12.9 | 0.1 | 10.3 | 9.0 | 12.8 | 8.0 | -7.4 | -12.1 | -9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.1 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.6 | 7.3 | 7.7 | 9.5 | 12.5 | 12.8 | 13.1 | 11.5 | 10.1 | 7.4 | 7.8 | 4.9 |
| Precipitation (mm) | 12 | 26 | 49 | 56 | 49 | 65 | 43 | 114 | 113 | 40 | 9 | 48 |
| Sunny days | 20 | 19 | 16 | 15 | 19 | 12 | 19 | 20 | 17 | 19 | 24 | 20 |
| Rainy days | 1 | 3 | 4 | 11 | 12 | 18 | 12 | 11 | 13 | 11 | 4 | 9 |
| Snow days | 10 | 6 | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Brentford during the most sunny months:
Months with the longest average daylight duration in Brentford:
The largest precipitation sum in Brentford is at