Average annual temperature is 12.7 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -14.0 °C
Number of sunny days: 181 days
Number of rainy days: 177 days
Number of snow days: 7 days
Look at detailed online map of Hellertown
* Weather data for Hellertown 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) | 18.3 | 17.3 | 17.3 | 31.0 | 29.7 | 34.8 | 33.7 | 31.7 | 35.2 | 27.9 | 20.4 | 16.0 |
| Average daytime temperature (°C) | 8.2 | 9.1 | 10.6 | 19.2 | 22.9 | 26.6 | 30.2 | 27.8 | 24.5 | 19.4 | 11.1 | 8.6 |
| Average temperature (°C) | 4.3 | 3.3 | 4.7 | 12.5 | 15.8 | 20.3 | 24.4 | 22.6 | 19.3 | 14.0 | 5.6 | 4.5 |
| Average night temperature (°C) | 0.8 | -1.4 | -0.3 | 7.0 | 8.6 | 14.6 | 19.5 | 17.9 | 15.0 | 9.3 | 1.1 | 0.9 |
| Absolute minimum temperature (°C) | -4.9 | -14.0 | -5.1 | -2.2 | 3.3 | 8.6 | 14.1 | 13.1 | 9.3 | 2.6 | -5.0 | -5.0 |
| 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 | 14.4 | 15.0 | 14.7 | 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) | 4.4 | 6.8 | 7.3 | 8.7 | 11.6 | 10.7 | 11.9 | 10.2 | 8.1 | 8.0 | 7.3 | 4.6 |
| Precipitation (mm) | 114 | 35 | 75 | 93 | 38 | 148 | 104 | 71 | 131 | 53 | 74 | 186 |
| Sunny days | 13 | 17 | 10 | 15 | 21 | 16 | 8 | 14 | 15 | 21 | 17 | 14 |
| Rainy days | 17 | 9 | 20 | 15 | 10 | 14 | 23 | 17 | 15 | 10 | 12 | 15 |
| Snow days | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Hellertown during the most sunny months:
The largest precipitation sum in Hellertown is at