Average annual temperature is 15.6 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 203 days
Number of rainy days: 161 days
Number of snow days: 1 day
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) | 19.7 | 24.6 | 28.2 | 31.0 | 29.7 | 31.8 | 36.9 | 35.2 | 34.5 | 28.6 | 27.9 | 20.9 |
| Average daytime temperature (°C) | 12.2 | 15.7 | 16.7 | 22.7 | 23.9 | 27.6 | 32.6 | 31.3 | 27.3 | 22.6 | 16.1 | 12.7 |
| Average temperature (°C) | 7.0 | 9.7 | 10.3 | 15.6 | 17.9 | 21.2 | 26.2 | 25.0 | 21.1 | 16.1 | 9.4 | 6.8 |
| Average night temperature (°C) | 3.2 | 5.3 | 5.1 | 9.3 | 12.7 | 15.8 | 20.8 | 19.8 | 16.1 | 11.0 | 4.3 | 2.4 |
| Absolute minimum temperature (°C) | -4.3 | -6.4 | -4.9 | 1.1 | 5.3 | 10.4 | 16.9 | 15.9 | 11.7 | 4.9 | -5.1 | -4.1 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 6.8 | 8.4 | 9.4 | 10.1 | 10.6 | 12.0 | 10.8 | 9.4 | 9.0 | 8.2 | 6.4 |
| Precipitation (mm) | 102 | 77 | 88 | 131 | 109 | 91 | 42 | 104 | 66 | 17 | 48 | 149 |
| Sunny days | 15 | 17 | 16 | 17 | 16 | 11 | 12 | 15 | 19 | 24 | 23 | 18 |
| Rainy days | 15 | 11 | 15 | 13 | 15 | 19 | 19 | 16 | 11 | 7 | 7 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bethlehem during the most sunny months:
The largest precipitation sum in Bethlehem is at