Average annual temperature is 12.8 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 195 days
Number of rainy days: 157 days
Number of snow days: 13 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) | 16.6 | 14.0 | 21.7 | 26.5 | 32.5 | 33.8 | 35.7 | 36.4 | 31.6 | 28.6 | 22.7 | 15.5 |
| Average daytime temperature (°C) | 4.6 | 7.6 | 10.0 | 18.3 | 25.3 | 29.7 | 29.9 | 28.5 | 25.5 | 18.1 | 11.1 | 7.9 |
| Average temperature (°C) | 0.3 | 1.9 | 4.4 | 11.4 | 18.9 | 23.4 | 24.4 | 23.5 | 20.4 | 13.6 | 6.1 | 4.1 |
| Average night temperature (°C) | -2.7 | -2.2 | 0.4 | 5.8 | 12.9 | 17.3 | 19.5 | 19.2 | 16.3 | 10.0 | 2.0 | 1.5 |
| Absolute minimum temperature (°C) | -16.7 | -15.4 | -11.2 | -0.9 | 3.6 | 10.5 | 15.8 | 12.9 | 10.7 | -1.4 | -9.8 | -7.0 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 3.5 | 7.4 | 6.6 | 9.3 | 10.8 | 12.7 | 12.4 | 10.6 | 9.4 | 7.2 | 7.6 | 4.3 |
| Precipitation (mm) | 62 | 91 | 107 | 57 | 42 | 20 | 106 | 161 | 49 | 74 | 24 | 64 |
| Sunny days | 11 | 16 | 12 | 14 | 19 | 23 | 16 | 16 | 14 | 17 | 22 | 15 |
| Rainy days | 11 | 11 | 17 | 16 | 12 | 7 | 15 | 15 | 16 | 14 | 8 | 15 |
| Snow days | 9 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Pottstown during the most sunny months:
The largest precipitation sum in Pottstown is at