Average annual temperature is 12.7 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 185 days
Number of rainy days: 176 days
Number of snow days: 4 days
Look at detailed online map of Pottstown
* Weather data for Pottstown 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) | 18.7 | 18.3 | 19.0 | 30.6 | 30.6 | 35.4 | 33.9 | 31.6 | 34.6 | 27.8 | 21.3 | 16.4 |
| Average daytime temperature (°C) | 8.5 | 9.4 | 10.8 | 19.6 | 23.0 | 26.8 | 30.4 | 28.1 | 24.5 | 19.6 | 11.4 | 8.8 |
| Average temperature (°C) | 4.4 | 3.9 | 5.0 | 12.8 | 15.7 | 20.1 | 24.3 | 22.6 | 19.3 | 13.9 | 5.9 | 4.4 |
| Average night temperature (°C) | 0.9 | -0.7 | 0.0 | 7.2 | 8.9 | 14.3 | 19.4 | 18.0 | 15.1 | 9.3 | 1.4 | 0.8 |
| Absolute minimum temperature (°C) | -4.8 | -11.3 | -5.5 | -1.2 | 3.5 | 9.0 | 15.7 | 14.3 | 9.9 | 3.5 | -5.3 | -4.2 |
| 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 | 11.9 | 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) | 4.7 | 6.7 | 7.5 | 8.9 | 11.5 | 10.6 | 11.5 | 10.2 | 7.9 | 8.3 | 7.6 | 4.4 |
| Precipitation (mm) | 101 | 44 | 73 | 128 | 26 | 147 | 151 | 67 | 166 | 39 | 73 | 187 |
| Sunny days | 12 | 17 | 13 | 14 | 20 | 12 | 9 | 15 | 14 | 22 | 20 | 17 |
| Rainy days | 19 | 9 | 17 | 16 | 11 | 18 | 22 | 16 | 16 | 9 | 9 | 14 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Pottstown during the most sunny months:
The largest precipitation sum in Pottstown is at