Average annual temperature is 10.8 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -23.6 °C
Number of sunny days: 165 days
Number of rainy days: 191 days
Number of snow days: 9 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) | 17.5 | 16.3 | 15.0 | 31.9 | 28.2 | 33.0 | 31.3 | 28.2 | 32.7 | 27.3 | 17.9 | 14.7 |
| Average daytime temperature (°C) | 6.1 | 5.8 | 7.9 | 16.8 | 20.3 | 24.1 | 27.6 | 24.9 | 22.2 | 17.6 | 8.8 | 7.3 |
| Average temperature (°C) | 2.2 | 0.8 | 2.9 | 10.5 | 14.0 | 18.2 | 22.7 | 20.3 | 17.7 | 12.9 | 3.9 | 3.1 |
| Average night temperature (°C) | -1.1 | -3.3 | -1.4 | 5.6 | 8.1 | 13.4 | 18.7 | 16.4 | 14.2 | 9.2 | 0.2 | 0.2 |
| Absolute minimum temperature (°C) | -5.8 | -23.6 | -5.7 | -2.7 | 1.7 | 7.1 | 14.3 | 12.4 | 7.9 | 1.8 | -5.6 | -7.1 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.6 | 6.5 | 7.5 | 8.7 | 11.8 | 10.5 | 11.1 | 9.5 | 7.6 | 7.5 | 7.0 | 4.8 |
| Precipitation (mm) | 143 | 52 | 132 | 123 | 60 | 85 | 243 | 107 | 289 | 105 | 51 | 190 |
| Sunny days | 11 | 15 | 14 | 16 | 20 | 7 | 5 | 10 | 13 | 16 | 20 | 18 |
| Rainy days | 17 | 10 | 15 | 14 | 11 | 23 | 26 | 21 | 17 | 15 | 10 | 12 |
| Snow days | 3 | 3 | 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