Average annual temperature is 19.4 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 198 days
Number of rainy days: 167 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) | 24.0 | 26.6 | 27.2 | 30.0 | 32.0 | 38.7 | 38.9 | 41.7 | 38.7 | 33.1 | 28.0 | 20.9 |
| Average daytime temperature (°C) | 15.6 | 17.4 | 21.0 | 22.6 | 28.1 | 34.1 | 35.1 | 38.1 | 32.7 | 25.2 | 18.3 | 15.2 |
| Average temperature (°C) | 10.6 | 11.5 | 14.9 | 16.7 | 22.3 | 27.1 | 28.9 | 31.2 | 26.4 | 19.5 | 13.0 | 9.9 |
| Average night temperature (°C) | 6.9 | 7.2 | 10.4 | 12.1 | 17.5 | 21.7 | 24.2 | 25.8 | 21.4 | 15.1 | 8.6 | 5.8 |
| Absolute minimum temperature (°C) | -0.7 | -2.1 | -1.3 | 6.2 | 9.6 | 18.6 | 21.1 | 20.5 | 18.7 | 1.4 | -0.4 | -0.1 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 6.4 | 6.7 | 8.2 | 8.0 | 10.2 | 11.5 | 11.7 | 12.0 | 10.4 | 7.9 | 7.6 | 7.3 |
| Precipitation (mm) | 97 | 140 | 148 | 191 | 113 | 58 | 77 | 12 | 64 | 150 | 74 | 76 |
| Sunny days | 17 | 10 | 12 | 11 | 12 | 17 | 18 | 25 | 16 | 19 | 20 | 21 |
| Rainy days | 14 | 18 | 19 | 19 | 19 | 13 | 13 | 6 | 14 | 12 | 10 | 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