Average annual temperature is 19.9 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 258 days
Number of rainy days: 106 days
Number of snow days: 1 day
Look at detailed online map of Westbrook
* Weather data for Westbrook 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) | 26.7 | 29.1 | 31.7 | 34.2 | 36.0 | 42.9 | 41.2 | 42.9 | 41.1 | 34.8 | 31.2 | 25.6 |
| Average daytime temperature (°C) | 16.9 | 17.8 | 23.0 | 26.7 | 29.9 | 35.2 | 37.6 | 39.3 | 34.6 | 26.7 | 19.4 | 16.8 |
| Average temperature (°C) | 9.6 | 9.3 | 14.7 | 18.6 | 23.1 | 28.1 | 31.4 | 32.9 | 28.0 | 19.5 | 12.6 | 9.9 |
| Average night temperature (°C) | 3.8 | 3.5 | 8.5 | 12.0 | 17.3 | 21.7 | 25.1 | 26.4 | 22.2 | 13.9 | 7.7 | 4.4 |
| Absolute minimum temperature (°C) | -7.8 | -5.9 | 1.1 | 5.8 | 12.5 | 15.3 | 20.1 | 21.8 | 17.2 | -1.0 | 0.3 | -1.9 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 8.2 | 7.7 | 9.4 | 10.8 | 10.7 | 12.1 | 12.6 | 12.2 | 10.5 | 9.0 | 7.4 | 8.1 |
| Precipitation (mm) | 8 | 27 | 15 | 12 | 71 | 34 | 15 | 3 | 37 | 73 | 14 | 44 |
| Sunny days | 25 | 16 | 23 | 23 | 12 | 18 | 23 | 27 | 24 | 21 | 22 | 24 |
| Rainy days | 6 | 11 | 8 | 7 | 19 | 12 | 8 | 4 | 6 | 10 | 8 | 7 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Westbrook during the most sunny months:
The largest precipitation sum in Westbrook is at