Measurements:
°C
°F
Bethlehem
40°F
S 8 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Bethlehem Weather December Weather in Bethlehem

Bethlehem Weather: December

Average Day Temperature: 38.1°F
Average Night Temperature: 29.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 9.3 - 9.5 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.2 in
Number of Snowy Days: 1 day

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 50°F. The lowest night temperature was 10°F. The average values for day and night temperatures during December were 34.5°F и 25.1°F respectivly.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Bethlehem is 1.2 in.

Wind Speed in December, mph

The average wind speed in December is 7.1 mph.

Average Sunny Hours Per Day

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 December is 4.8 hours.

Best Time to Visit Bethlehem
The most sunny months:
October 16 days
September 14 days
November 13 days
The most warm months:
July 86.2 °F
August 82.9 °F
June 79.4 °F
The most cold months:
January 33.4 °F
February 36.4 °F
December 38.1 °F
The most rainy months:
August 3 days
July 3 days
June 3 days
The most windy months:
March 8 mph
April 8 mph
January 7 mph

Bethlehem on the Weather Map

USA Resorts:
NAME
Chicago +36
Hawaii +78
Honolulu +78
Houston +72
Las Vegas +40
Los Angeles +48
Maui +70
Miami +72
Miami Beach +78
New York +44
San Diego +50
San Francisco +44
Sarasota +70
Tampa +70
Washington +50
24 Hours Weather Forecast
Bethlehem
Local time: 01:50
10 jan, saturday
0300 40°F
S
8 mph
0600 36°F
S
4 mph
0900 36°F
SW
2 mph
1200 36°F
W
6 mph
1500 36°F
W
9 mph
1800 34°F
SW
7 mph
2100 34°F
SW
4 mph
11 jan, sunday
0000 34°F
SW
2 mph