Average annual temperature is 12.7 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 154 days
Number of rainy days: 203 days
Number of snow days: 8 days
Look at detailed online map of Millesville
* Weather data for Millesville 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) | 17.8 | 21.4 | 21.7 | 28.6 | 30.8 | 33.4 | 32.6 | 31.5 | 34.0 | 27.9 | 19.7 | 16.8 |
| Average daytime temperature (°C) | 8.3 | 11.5 | 11.2 | 19.3 | 22.4 | 26.3 | 28.7 | 27.4 | 24.9 | 18.7 | 11.9 | 9.4 |
| Average temperature (°C) | 4.0 | 4.9 | 5.2 | 12.2 | 15.8 | 20.0 | 23.2 | 22.0 | 19.1 | 13.7 | 6.5 | 5.2 |
| Average night temperature (°C) | 1.0 | 0.1 | 0.7 | 6.6 | 9.8 | 14.6 | 19.0 | 17.5 | 14.6 | 9.7 | 2.3 | 2.1 |
| Absolute minimum temperature (°C) | -6.1 | -11.5 | -7.6 | -1.0 | 2.6 | 10.2 | 15.5 | 12.5 | 9.3 | 2.2 | -6.5 | -4.6 |
| 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 | 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 | 11.1 | 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) | 2.8 | 6.7 | 6.3 | 8.5 | 10.5 | 11.0 | 11.0 | 10.4 | 8.8 | 6.5 | 6.7 | 4.2 |
| Precipitation (mm) | 108 | 76 | 99 | 42 | 93 | 127 | 154 | 99 | 56 | 116 | 41 | 70 |
| Sunny days | 8 | 14 | 13 | 17 | 20 | 12 | 3 | 8 | 12 | 15 | 20 | 12 |
| Rainy days | 21 | 13 | 15 | 13 | 11 | 18 | 28 | 23 | 18 | 16 | 9 | 18 |
| Snow days | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Millesville during the most sunny months:
The largest precipitation sum in Millesville is at