Average annual temperature is 8.6 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: -25.5 °C
Number of sunny days: 211 days
Number of rainy days: 124 days
Number of snow days: 30 days
Look at detailed online map of City of Westbrook
* Weather data for City of 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) | 1.5 | 4.2 | 6.2 | 27.1 | 29.8 | 30.9 | 34.3 | 35.6 | 34.4 | 30.9 | 18.0 | 10.9 |
| Average daytime temperature (°C) | -5.0 | -2.2 | 0.1 | 11.6 | 23.3 | 27.4 | 27.3 | 27.8 | 25.4 | 14.8 | 9.0 | 4.9 |
| Average temperature (°C) | -8.1 | -7.4 | -4.5 | 5.8 | 16.9 | 22.2 | 21.5 | 22.2 | 19.7 | 10.3 | 3.4 | 0.3 |
| Average night temperature (°C) | -10.8 | -11.4 | -8.1 | 1.2 | 11.2 | 16.8 | 16.5 | 17.8 | 15.2 | 6.8 | -0.7 | -3.0 |
| Absolute minimum temperature (°C) | -23.3 | -25.5 | -16.8 | -9.3 | 1.8 | 10.1 | 11.5 | 12.1 | 9.1 | -6.2 | -11.1 | -8.8 |
| 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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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) | 4.0 | 7.1 | 6.5 | 8.3 | 11.5 | 13.2 | 12.6 | 11.4 | 10.1 | 7.6 | 6.7 | 5.0 |
| Precipitation (mm) | 56 | 57 | 55 | 93 | 110 | 50 | 53 | 88 | 53 | 153 | 4 | 69 |
| Sunny days | 17 | 20 | 21 | 17 | 17 | 14 | 13 | 19 | 14 | 15 | 22 | 22 |
| Rainy days | 4 | 4 | 4 | 10 | 14 | 16 | 18 | 12 | 16 | 13 | 6 | 7 |
| Snow days | 10 | 4 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 2 |
The best time to visit City of Westbrook during the most sunny months:
Months with the longest average daylight duration in City of Westbrook:
The largest precipitation sum in City of Westbrook is at