Average annual temperature is 19.7 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -2.0 °C
Number of sunny days: 182 days
Number of rainy days: 183 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) | 22.9 | 27.5 | 29.7 | 30.3 | 33.7 | 35.5 | 37.5 | 37.7 | 35.5 | 30.9 | 26.7 | 22.8 |
| Average daytime temperature (°C) | 17.4 | 20.6 | 21.9 | 25.3 | 28.6 | 31.7 | 33.9 | 35.0 | 31.4 | 25.5 | 19.0 | 15.7 |
| Average temperature (°C) | 12.3 | 15.0 | 16.0 | 19.1 | 22.2 | 25.6 | 27.8 | 28.7 | 25.3 | 19.7 | 13.7 | 10.7 |
| Average night temperature (°C) | 8.2 | 11.0 | 11.4 | 13.8 | 17.0 | 20.5 | 23.2 | 23.6 | 20.1 | 14.8 | 9.4 | 6.7 |
| Absolute minimum temperature (°C) | -1.0 | -0.6 | -2.0 | 8.6 | 10.5 | 17.9 | 20.8 | 19.5 | 16.4 | 8.1 | 0.7 | 0.8 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 6.7 | 7.2 | 8.4 | 9.6 | 10.2 | 11.2 | 11.7 | 11.2 | 10.9 | 8.8 | 6.5 | 6.7 |
| Precipitation (mm) | 99 | 102 | 146 | 130 | 122 | 119 | 83 | 59 | 40 | 54 | 71 | 68 |
| Sunny days | 14 | 9 | 16 | 13 | 12 | 11 | 10 | 14 | 18 | 22 | 21 | 22 |
| Rainy days | 17 | 19 | 15 | 17 | 19 | 19 | 21 | 17 | 12 | 9 | 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