Average annual temperature is 17.2 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 177 days
Number of rainy days: 188 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) | 20.3 | 25.2 | 25.9 | 28.6 | 30.4 | 34.5 | 35.9 | 36.7 | 33.3 | 28.4 | 25.6 | 21.1 |
| Average daytime temperature (°C) | 14.3 | 17.4 | 18.8 | 21.8 | 25.9 | 30.4 | 32.3 | 32.3 | 29.0 | 23.1 | 17.7 | 13.6 |
| Average temperature (°C) | 9.4 | 11.7 | 12.8 | 15.9 | 19.9 | 23.9 | 26.0 | 26.1 | 22.9 | 17.6 | 11.9 | 8.2 |
| Average night temperature (°C) | 5.9 | 7.8 | 7.8 | 10.8 | 15.1 | 18.9 | 21.4 | 21.5 | 18.2 | 12.9 | 7.5 | 4.3 |
| Absolute minimum temperature (°C) | -2.6 | -3.6 | -4.3 | 5.2 | 7.7 | 15.8 | 18.7 | 17.2 | 14.5 | 5.7 | -1.8 | -2.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 7.0 | 8.7 | 9.6 | 10.7 | 11.7 | 11.1 | 10.6 | 10.8 | 8.7 | 7.3 | 7.1 |
| Precipitation (mm) | 171 | 133 | 108 | 141 | 105 | 104 | 122 | 157 | 48 | 20 | 55 | 95 |
| Sunny days | 12 | 10 | 20 | 15 | 9 | 11 | 5 | 14 | 17 | 21 | 21 | 22 |
| Rainy days | 19 | 18 | 11 | 15 | 22 | 19 | 26 | 17 | 13 | 10 | 9 | 9 |
| 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