Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 181 days
Number of rainy days: 181 days
Number of snow days: 3 days
Look at detailed online map of Glen Mills
* Weather data for Glen Mills 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 | 19.4 | 17.9 | 30.0 | 29.5 | 34.5 | 34.3 | 32.7 | 35.7 | 27.7 | 20.5 | 16.5 |
| Average daytime temperature (°C) | 9.1 | 9.8 | 11.3 | 19.9 | 22.5 | 26.9 | 30.8 | 29.1 | 25.4 | 20.4 | 12.1 | 9.4 |
| Average temperature (°C) | 5.1 | 4.7 | 5.8 | 13.6 | 16.1 | 20.6 | 24.9 | 23.5 | 20.2 | 14.8 | 6.9 | 5.3 |
| Average night temperature (°C) | 2.0 | 0.7 | 1.1 | 8.7 | 10.2 | 15.4 | 20.3 | 19.1 | 16.2 | 10.6 | 2.7 | 2.0 |
| Absolute minimum temperature (°C) | -3.7 | -10.5 | -4.9 | 1.0 | 4.1 | 10.8 | 17.1 | 15.2 | 11.5 | 5.6 | -5.0 | -3.5 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 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) | 4.7 | 6.9 | 7.5 | 9.3 | 11.4 | 10.7 | 11.6 | 10.2 | 8.1 | 8.3 | 7.6 | 4.7 |
| Precipitation (mm) | 109 | 51 | 90 | 157 | 42 | 93 | 152 | 67 | 153 | 41 | 74 | 173 |
| Sunny days | 13 | 16 | 14 | 16 | 20 | 12 | 6 | 12 | 15 | 19 | 22 | 16 |
| Rainy days | 18 | 10 | 17 | 14 | 11 | 18 | 25 | 19 | 15 | 12 | 8 | 14 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Glen Mills during the most sunny months:
The largest precipitation sum in Glen Mills is at