Bethlehem (PA) Weather and Climate: A Comprehensive Guide
Bethlehem experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
The climate in Bethlehem is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 30°C in July to a chilly 3°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -6°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Bethlehem has a notably wet climate with abundant precipitation, recording 1253 mm of rain/snowfall per year. Bethlehem offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between June (141 mm) and November (71 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Bethlehem.
The city experiences its highest humidity in September, reaching 74%. In April, the humidity drops to its lowest level at 61%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain partly cloudy and no rain broken clouds and snowForecast for Bethlehem (PA)
6 m/s
3 m/s
3 m/s
The best time of year to visit Bethlehem in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
June tops the wettest month list with 141 mm of rainfall.
November is the driest month with 71 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
