The highest day temperature in June 2025 was 105°F. The lowest night temperature was 45°F. The average values for day and night temperatures during June were 82.1°F и 64.7°F respectivly.

You can expect various weather conditions during June. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in June for Bethlehem is 1.3 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 5.9 mph. It makes June one of the most windless months of the year for Bethlehem.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Bethlehem in June is 8.0 hours.