Average annual temperature is 13.9 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -7.6 °C
Number of sunny days: 181 days
Number of rainy days: 179 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) | 17.6 | 22.2 | 24.1 | 27.5 | 30.4 | 32.9 | 33.7 | 35.0 | 33.3 | 29.6 | 25.2 | 15.7 |
| Average daytime temperature (°C) | 9.0 | 13.1 | 13.3 | 19.1 | 23.8 | 27.6 | 30.2 | 29.4 | 27.4 | 20.3 | 13.6 | 9.9 |
| Average temperature (°C) | 4.7 | 6.6 | 7.1 | 12.6 | 17.5 | 21.2 | 24.5 | 23.5 | 20.8 | 14.8 | 7.9 | 5.2 |
| Average night temperature (°C) | 1.5 | 1.9 | 2.2 | 7.0 | 11.7 | 15.8 | 19.9 | 18.6 | 15.4 | 10.7 | 3.8 | 1.9 |
| Absolute minimum temperature (°C) | -5.6 | -7.6 | -6.4 | -0.1 | 4.6 | 11.0 | 15.6 | 12.5 | 10.7 | -1.9 | -6.3 | -6.5 |
| 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 | 14.5 | 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) | 4.4 | 7.5 | 7.6 | 9.4 | 10.6 | 10.7 | 11.5 | 11.2 | 10.7 | 7.5 | 7.6 | 5.1 |
| Precipitation (mm) | 129 | 73 | 141 | 98 | 59 | 132 | 65 | 65 | 25 | 85 | 37 | 63 |
| Sunny days | 7 | 15 | 14 | 15 | 18 | 14 | 8 | 15 | 17 | 20 | 23 | 15 |
| Rainy days | 23 | 13 | 15 | 15 | 13 | 16 | 23 | 16 | 13 | 11 | 7 | 14 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Bethlehem during the most sunny months:
The largest precipitation sum in Bethlehem is at