Average annual temperature is 13.3 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 178 days
Number of rainy days: 182 days
Number of snow days: 5 days
Look at detailed online map of Gwynnbrook
* Weather data for Gwynnbrook 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) | 16.8 | 21.2 | 22.2 | 28.7 | 27.4 | 33.6 | 35.0 | 33.0 | 35.2 | 27.2 | 21.8 | 16.9 |
| Average daytime temperature (°C) | 8.6 | 10.4 | 11.4 | 19.9 | 21.8 | 26.5 | 30.7 | 29.1 | 25.2 | 19.7 | 12.1 | 9.2 |
| Average temperature (°C) | 4.8 | 5.1 | 5.8 | 13.6 | 15.6 | 20.2 | 24.5 | 23.5 | 19.8 | 14.4 | 6.8 | 5.0 |
| Average night temperature (°C) | 1.8 | 0.7 | 1.1 | 8.3 | 9.8 | 14.9 | 20.0 | 18.9 | 15.5 | 10.1 | 2.8 | 1.8 |
| Absolute minimum temperature (°C) | -3.3 | -10.5 | -5.6 | 0.9 | 3.5 | 10.8 | 17.9 | 15.0 | 10.0 | 3.9 | -5.9 | -3.6 |
| 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) | 9.7 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 4.8 | 6.9 | 7.5 | 9.3 | 11.1 | 10.7 | 11.7 | 10.7 | 8.3 | 8.6 | 7.7 | 5.0 |
| Precipitation (mm) | 89 | 51 | 68 | 145 | 28 | 160 | 141 | 60 | 168 | 53 | 67 | 144 |
| Sunny days | 13 | 15 | 14 | 16 | 17 | 11 | 5 | 15 | 14 | 19 | 23 | 16 |
| Rainy days | 18 | 10 | 16 | 14 | 14 | 19 | 26 | 16 | 16 | 12 | 7 | 14 |
| Snow days | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Gwynnbrook during the most sunny months:
The largest precipitation sum in Gwynnbrook is at