Average annual temperature is 20.6 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 193 days
Number of rainy days: 172 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) | 25.3 | 27.3 | 29.1 | 30.4 | 34.1 | 38.8 | 39.7 | 42.6 | 38.5 | 33.0 | 29.1 | 25.2 |
| Average daytime temperature (°C) | 17.5 | 19.5 | 23.0 | 24.3 | 29.5 | 34.7 | 36.1 | 38.8 | 33.2 | 27.5 | 19.7 | 17.3 |
| Average temperature (°C) | 12.3 | 13.5 | 16.5 | 18.1 | 23.4 | 27.7 | 29.7 | 32.0 | 26.8 | 21.0 | 14.0 | 11.3 |
| Average night temperature (°C) | 8.6 | 9.2 | 11.9 | 13.6 | 18.3 | 22.4 | 24.8 | 26.3 | 21.6 | 16.3 | 9.8 | 6.9 |
| Absolute minimum temperature (°C) | -0.1 | -0.6 | -1.5 | 8.9 | 11.3 | 19.4 | 21.3 | 21.1 | 18.2 | 6.3 | 1.2 | 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) | 10.3 | 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) | 6.5 | 7.1 | 8.4 | 8.4 | 10.2 | 11.3 | 11.3 | 12.0 | 10.6 | 8.8 | 6.7 | 7.6 |
| Precipitation (mm) | 203 | 103 | 167 | 195 | 84 | 103 | 104 | 34 | 41 | 23 | 69 | 64 |
| Sunny days | 13 | 11 | 12 | 9 | 16 | 7 | 17 | 26 | 19 | 21 | 19 | 23 |
| Rainy days | 18 | 17 | 19 | 21 | 15 | 23 | 14 | 5 | 11 | 10 | 11 | 8 |
| 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