Average annual temperature is 14.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 178 days
Number of rainy days: 182 days
Number of snow days: 5 days
Look at detailed online map of Bethlehem
* Weather data for Bethlehem 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) | 17.2 | 22.8 | 24.6 | 28.1 | 30.7 | 33.3 | 34.6 | 34.3 | 32.6 | 30.4 | 25.8 | 16.3 |
| Average daytime temperature (°C) | 9.2 | 13.5 | 13.8 | 19.8 | 24.4 | 28.0 | 30.4 | 29.5 | 27.7 | 20.9 | 14.2 | 10.3 |
| Average temperature (°C) | 5.1 | 7.0 | 7.7 | 13.2 | 18.3 | 22.0 | 25.0 | 24.1 | 21.5 | 15.5 | 8.6 | 5.8 |
| Average night temperature (°C) | 2.1 | 2.3 | 3.0 | 7.8 | 12.9 | 17.0 | 20.7 | 19.5 | 16.4 | 11.6 | 4.7 | 2.6 |
| Absolute minimum temperature (°C) | -4.7 | -7.1 | -5.4 | 0.8 | 5.3 | 11.8 | 17.6 | 13.9 | 12.3 | -0.8 | -5.6 | -5.4 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.5 | 7.6 | 7.8 | 9.4 | 10.4 | 10.4 | 11.5 | 11.1 | 10.6 | 7.6 | 7.8 | 5.1 |
| Precipitation (mm) | 127 | 53 | 151 | 144 | 46 | 77 | 138 | 50 | 23 | 70 | 41 | 56 |
| Sunny days | 4 | 16 | 14 | 16 | 18 | 16 | 8 | 15 | 16 | 20 | 22 | 13 |
| Rainy days | 25 | 12 | 15 | 14 | 13 | 14 | 23 | 16 | 14 | 11 | 8 | 17 |
| Snow days | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bethlehem during the most sunny months:
The largest precipitation sum in Bethlehem is at