Average annual temperature is 16.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 170 days
Number of rainy days: 195 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) | 20.5 | 25.7 | 24.7 | 27.5 | 31.3 | 34.5 | 35.5 | 36.9 | 32.0 | 29.7 | 26.1 | 18.8 |
| Average daytime temperature (°C) | 12.3 | 15.5 | 16.2 | 20.9 | 26.0 | 30.1 | 31.5 | 30.5 | 27.7 | 22.7 | 16.7 | 12.9 |
| Average temperature (°C) | 7.7 | 9.6 | 10.5 | 14.8 | 19.7 | 23.3 | 25.5 | 25.0 | 21.8 | 17.0 | 10.7 | 7.6 |
| Average night temperature (°C) | 4.1 | 5.4 | 5.6 | 9.6 | 14.5 | 17.6 | 20.9 | 20.6 | 16.8 | 12.5 | 6.1 | 3.7 |
| Absolute minimum temperature (°C) | -3.8 | -6.0 | -6.0 | 1.8 | 7.0 | 12.3 | 16.2 | 15.0 | 12.1 | -0.6 | -3.9 | -5.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.8 | 6.0 | 8.2 | 8.8 | 11.1 | 12.0 | 11.2 | 9.9 | 10.5 | 7.8 | 7.7 | 6.7 |
| Precipitation (mm) | 154 | 96 | 116 | 82 | 130 | 139 | 221 | 186 | 128 | 28 | 68 | 89 |
| Sunny days | 13 | 12 | 18 | 14 | 9 | 12 | 7 | 12 | 14 | 21 | 22 | 16 |
| Rainy days | 18 | 16 | 13 | 16 | 22 | 18 | 24 | 19 | 16 | 10 | 8 | 15 |
| Snow days | 0 | 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