Average annual temperature is 14.7 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 183 days
Number of rainy days: 181 days
Number of snow days: 1 day
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) | 18.2 | 25.0 | 23.5 | 27.3 | 28.0 | 31.8 | 34.9 | 36.6 | 32.7 | 28.7 | 25.2 | 17.2 |
| Average daytime temperature (°C) | 10.9 | 14.4 | 15.2 | 19.8 | 24.4 | 27.7 | 30.8 | 29.3 | 27.5 | 21.6 | 16.0 | 11.4 |
| Average temperature (°C) | 5.9 | 8.4 | 9.0 | 13.4 | 17.9 | 21.3 | 24.7 | 23.8 | 21.0 | 15.5 | 9.3 | 6.0 |
| Average night temperature (°C) | 2.4 | 4.2 | 4.4 | 8.2 | 12.7 | 16.0 | 19.8 | 19.4 | 15.9 | 10.4 | 4.6 | 2.2 |
| Absolute minimum temperature (°C) | -4.3 | -5.7 | -5.8 | 1.9 | 4.2 | 11.0 | 15.8 | 13.8 | 12.0 | 4.5 | -4.1 | -5.4 |
| 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) | 5.1 | 6.2 | 8.4 | 9.5 | 10.7 | 11.0 | 10.8 | 10.0 | 10.8 | 8.4 | 7.6 | 6.2 |
| Precipitation (mm) | 109 | 129 | 114 | 80 | 71 | 69 | 73 | 103 | 27 | 13 | 55 | 103 |
| Sunny days | 11 | 13 | 20 | 17 | 11 | 12 | 7 | 13 | 20 | 23 | 20 | 16 |
| Rainy days | 19 | 15 | 11 | 13 | 20 | 18 | 24 | 18 | 10 | 8 | 10 | 15 |
| Snow days | 1 | 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