Average annual temperature is 20.6 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -0.5 °C
Number of sunny days: 165 days
Number of rainy days: 200 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) | 24.8 | 27.7 | 28.8 | 30.6 | 35.4 | 36.1 | 36.0 | 38.4 | 34.1 | 31.3 | 27.0 | 23.8 |
| Average daytime temperature (°C) | 19.0 | 22.0 | 23.2 | 26.6 | 29.6 | 31.8 | 33.3 | 35.3 | 31.2 | 26.2 | 20.1 | 16.6 |
| Average temperature (°C) | 13.5 | 16.3 | 17.6 | 20.4 | 23.1 | 25.9 | 27.7 | 29.4 | 25.7 | 20.6 | 14.9 | 12.0 |
| Average night temperature (°C) | 9.2 | 12.1 | 12.9 | 15.5 | 17.9 | 21.3 | 23.4 | 24.8 | 20.9 | 15.5 | 10.5 | 8.0 |
| Absolute minimum temperature (°C) | -0.5 | 1.1 | 0.0 | 10.2 | 11.0 | 19.4 | 21.3 | 22.3 | 16.7 | 9.1 | 1.4 | 0.0 |
| 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) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.1 | 7.7 | 8.8 | 9.5 | 10.6 | 10.5 | 11.4 | 11.2 | 10.3 | 9.1 | 6.8 | 6.3 |
| Precipitation (mm) | 141 | 79 | 122 | 86 | 86 | 201 | 155 | 80 | 70 | 58 | 92 | 114 |
| Sunny days | 14 | 10 | 14 | 13 | 10 | 7 | 5 | 12 | 16 | 25 | 18 | 21 |
| Rainy days | 17 | 18 | 17 | 17 | 21 | 23 | 26 | 19 | 14 | 6 | 12 | 10 |
| 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