Average annual temperature is 21.4 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 221 days
Number of rainy days: 144 days
Look at detailed online map of Brookhaven
* Weather data for Brookhaven 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) | 28.0 | 28.2 | 31.2 | 32.7 | 32.5 | 39.2 | 41.1 | 42.2 | 41.4 | 34.5 | 28.1 | 25.4 |
| Average daytime temperature (°C) | 18.0 | 18.7 | 23.7 | 24.6 | 28.0 | 34.9 | 37.8 | 40.1 | 35.1 | 27.4 | 19.7 | 18.3 |
| Average temperature (°C) | 12.6 | 11.8 | 17.1 | 18.6 | 23.0 | 28.7 | 32.0 | 33.7 | 29.6 | 21.9 | 14.7 | 12.3 |
| Average night temperature (°C) | 8.2 | 7.3 | 12.7 | 14.3 | 19.1 | 23.6 | 26.3 | 27.2 | 24.5 | 17.4 | 10.9 | 7.6 |
| Absolute minimum temperature (°C) | -2.8 | -2.6 | 3.3 | 9.5 | 14.4 | 19.0 | 22.7 | 24.3 | 20.5 | 4.1 | 2.6 | 0.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.4 | 7.3 | 7.6 | 8.1 | 8.3 | 11.1 | 12.1 | 12.3 | 10.4 | 8.3 | 6.7 | 7.6 |
| Precipitation (mm) | 54 | 79 | 84 | 149 | 193 | 84 | 15 | 0 | 62 | 156 | 27 | 107 |
| Sunny days | 21 | 16 | 13 | 9 | 11 | 13 | 26 | 28 | 21 | 18 | 20 | 25 |
| Rainy days | 10 | 12 | 18 | 21 | 20 | 17 | 5 | 3 | 9 | 13 | 10 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Brookhaven during the most sunny months:
The largest precipitation sum in Brookhaven is at