Average annual temperature is 17.5 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 167 days
Number of rainy days: 198 days
Look at detailed online map of Glenn Devon
* Weather data for Glenn Devon 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) | 20.8 | 25.2 | 26.2 | 28.5 | 30.7 | 33.3 | 36.1 | 35.8 | 34.1 | 28.3 | 25.6 | 20.7 |
| Average daytime temperature (°C) | 14.9 | 18.0 | 19.0 | 22.4 | 25.2 | 29.4 | 32.7 | 32.6 | 28.3 | 23.1 | 17.4 | 14.0 |
| Average temperature (°C) | 9.6 | 12.5 | 13.0 | 16.4 | 19.8 | 23.6 | 26.7 | 26.6 | 22.7 | 17.5 | 11.9 | 8.8 |
| Average night temperature (°C) | 5.5 | 8.5 | 8.0 | 11.5 | 15.3 | 18.7 | 21.9 | 22.1 | 18.0 | 12.7 | 7.6 | 4.5 |
| Absolute minimum temperature (°C) | -3.2 | -2.6 | -3.7 | 4.8 | 6.5 | 15.3 | 19.1 | 17.7 | 13.3 | 6.5 | -1.8 | -2.5 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 5.9 | 8.5 | 9.2 | 10.0 | 11.0 | 11.5 | 10.8 | 10.1 | 8.8 | 6.5 | 6.5 |
| Precipitation (mm) | 118 | 133 | 155 | 117 | 87 | 95 | 146 | 179 | 71 | 43 | 55 | 84 |
| Sunny days | 13 | 10 | 17 | 12 | 11 | 10 | 7 | 9 | 18 | 20 | 20 | 20 |
| Rainy days | 18 | 18 | 14 | 18 | 20 | 20 | 24 | 22 | 12 | 11 | 10 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Glenn Devon during the most sunny months:
The largest precipitation sum in Glenn Devon is at