Average annual temperature is 7.8 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: -31.4 °C
Number of sunny days: 119 days
Number of rainy days: 198 days
Number of snow days: 48 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) | 6.7 | 8.7 | 8.1 | 25.3 | 29.1 | 31.1 | 30.7 | 25.4 | 29.8 | 27.8 | 14.3 | 13.1 |
| Average daytime temperature (°C) | 1.1 | 0.4 | 3.5 | 13.5 | 18.3 | 21.5 | 25.8 | 22.8 | 21.8 | 15.7 | 5.3 | 3.7 |
| Average temperature (°C) | -2.5 | -5.5 | -1.2 | 7.1 | 11.9 | 16.3 | 20.9 | 17.9 | 16.2 | 10.9 | 0.7 | -0.6 |
| Average night temperature (°C) | -5.9 | -11.2 | -5.8 | 1.8 | 5.8 | 11.8 | 16.6 | 13.8 | 12.0 | 6.8 | -2.5 | -3.8 |
| Absolute minimum temperature (°C) | -13.9 | -31.4 | -12.3 | -8.7 | -0.4 | 5.3 | 11.7 | 9.2 | 5.1 | -1.2 | -8.3 | -10.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.5 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 6.0 | 5.9 | 7.8 | 10.9 | 8.5 | 10.1 | 10.1 | 8.2 | 5.7 | 6.0 | 3.8 |
| Precipitation (mm) | 108 | 49 | 85 | 110 | 84 | 169 | 217 | 182 | 83 | 113 | 56 | 149 |
| Sunny days | 4 | 10 | 10 | 13 | 17 | 7 | 3 | 4 | 13 | 12 | 12 | 14 |
| Rainy days | 13 | 8 | 8 | 16 | 14 | 23 | 28 | 27 | 17 | 19 | 11 | 14 |
| Snow days | 14 | 10 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 3 |
The best time to visit Bethlehem during the most sunny months:
Months with the longest average daylight duration in Bethlehem:
The largest precipitation sum in Bethlehem is at