World Resorts USA Bethesda Weather

Bethesda weather in December

Weather in Bethesda: December

Average day temperature: 44.2°F
Average night temperature: 36.8°F
Number of sunny days: 12 days
Day length: 9.4 - 9.6 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 54°F. At the same time the lowest night temperature was 15°F. Daily and nightly averages during December were 41.7°F and 31.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in December is almost equal.

Precipitation total in December, in.

Precipitation total value in Bethesda in December is 1.1 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 6.9 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.4.

Best time for vacation in Bethesda

Sunniest months:
November 17 days
October 16 days
June 14 days
Warmest months:
July 87.9 °F
August 83.8 °F
June 82.4 °F
Coldest months:
January 39.1 °F
February 43.2 °F
December 44.2 °F
Rainiest months:
August 4 days
July 3 days
October 2 days
Windiest months:
March 8.4 mph
April 7.9 mph
January 7.6 mph

Bethesda on a weather map

Bethesda
+86°F
N 2 mph
Feels like: +90°F
Precip.: 3%
Places in USA:
Name
°F
+77°F
+79°F
+99°F
+75°F
+91°F
+88°F
+75°F
+86°F
+88°F
+70°F
+81°F
+79°F
+91°F
+91°F
+86°F
24 Hours Forecast
Bethesda
Local time: 18:29
June 29, monday
2100
79°F
NW
3 mph
June 30, tuesday
0000
73°F
N
5 mph
0300
70°F
NW
4 mph
0600
68°F
N
4 mph
0900
77°F
N
5 mph
1200
88°F
N
7 mph
1500
91°F
N
7 mph
1800
91°F
N
9 mph
Units of measurement: °C / °F