Average annual temperature is 7.1 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 222 days
Number of rainy days: 91 days
Number of snow days: 52 days
Look at detailed online map of Glenbrook
* Weather data for Glenbrook 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) | 5.5 | 7.4 | 4.9 | 15.6 | 21.7 | 26.0 | 32.5 | 28.8 | 23.6 | 22.8 | 17.2 | 11.8 |
| Average daytime temperature (°C) | 0.3 | 1.4 | 1.0 | 7.9 | 13.2 | 18.4 | 27.2 | 24.7 | 19.9 | 15.5 | 8.7 | 6.3 |
| Average temperature (°C) | -2.9 | -2.7 | -2.4 | 2.6 | 7.9 | 12.7 | 20.4 | 18.6 | 14.2 | 9.7 | 3.9 | 2.3 |
| Average night temperature (°C) | -5.7 | -6.2 | -5.0 | -1.3 | 3.3 | 7.6 | 13.3 | 12.9 | 9.5 | 5.1 | -0.1 | -1.0 |
| Absolute minimum temperature (°C) | -13.9 | -12.2 | -11.9 | -8.8 | -2.4 | 3.2 | 10.3 | 8.7 | 5.2 | -4.0 | -6.1 | -5.6 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.0 | 7.9 | 8.3 | 11.6 | 12.6 | 12.7 | 13.6 | 12.0 | 11.3 | 9.7 | 8.2 | 6.9 |
| Precipitation (mm) | 243 | 113 | 197 | 15 | 34 | 37 | 0 | 36 | 47 | 18 | 37 | 31 |
| Sunny days | 11 | 14 | 7 | 26 | 15 | 12 | 31 | 23 | 20 | 24 | 21 | 18 |
| Rainy days | 6 | 3 | 8 | 0 | 12 | 18 | 0 | 8 | 10 | 7 | 8 | 11 |
| Snow days | 14 | 11 | 16 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Glenbrook during the most sunny months:
The largest precipitation sum in Glenbrook is at