Average annual temperature is 16.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 188 days
Number of rainy days: 177 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) | 23.7 | 26.0 | 29.1 | 30.3 | 29.6 | 33.1 | 35.4 | 36.3 | 34.9 | 28.4 | 25.6 | 22.4 |
| Average daytime temperature (°C) | 14.8 | 16.8 | 17.6 | 23.4 | 23.7 | 28.7 | 32.8 | 31.7 | 27.9 | 23.3 | 16.3 | 14.4 |
| Average temperature (°C) | 9.2 | 11.1 | 11.5 | 16.9 | 18.4 | 22.6 | 26.9 | 26.0 | 22.5 | 17.2 | 10.8 | 8.7 |
| Average night temperature (°C) | 5.3 | 6.8 | 6.6 | 11.7 | 14.0 | 17.9 | 22.5 | 21.7 | 18.3 | 12.8 | 6.8 | 4.6 |
| Absolute minimum temperature (°C) | -2.2 | -6.5 | -1.7 | 2.1 | 8.4 | 11.5 | 18.8 | 17.7 | 13.4 | 7.3 | -3.5 | -1.8 |
| 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 | 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 | 10.3 | 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) | 6.1 | 7.0 | 8.2 | 9.3 | 9.8 | 11.0 | 11.5 | 10.7 | 8.9 | 9.0 | 7.6 | 6.6 |
| Precipitation (mm) | 90 | 63 | 63 | 149 | 100 | 64 | 116 | 122 | 135 | 41 | 60 | 145 |
| Sunny days | 17 | 13 | 18 | 13 | 13 | 11 | 12 | 12 | 14 | 23 | 23 | 19 |
| Rainy days | 14 | 15 | 13 | 17 | 18 | 19 | 19 | 19 | 16 | 8 | 7 | 12 |
| 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