Measurements:
°C
°F
Dewey Beach
24°F
SE 21 mph
Feels like: 6°F
Precip: 0%
World Resorts USA Dewey Beach Weather December Weather in Dewey Beach

Dewey Beach Weather: December

Average Day Temperature: 46.5°F
Average Night Temperature: 42.5°F
Sea Water Temperature: 48.4°F
Number of Sunny Days: 10 days
Sunshine Hours: 9.4 - 9.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.8 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 58°F. The lowest night temperature was 32°F. The average values for day and night temperatures during December were 47.5°F и 44.1°F respectivly.

Dewey Beach Water Sea Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2023 for Dewey Beach was 47.4°F. The maximum and minimum values were 43.8°F and 51.2°F respectively.

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 Dewey Beach is 1.8 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 11.4 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 Dewey Beach in December is 5.2 hours.

Best Time to Visit Dewey Beach
The most sunny months:
November 17 days
October 15 days
June 14 days
The most warm months:
July 83.8 °F
August 81.9 °F
June 76.9 °F
Warmest sea temperature:
July 77.7 °F
August 77.4 °F
September 75.7 °F
The most cold months:
January 41.5 °F
February 43.6 °F
December 46.5 °F
The most rainy months:
July 4 days
August 4 days
March 4 days
The most windy months:
March 13 mph
January 12 mph
April 12 mph

Dewey Beach on the Weather Map

USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Dewey Beach
Local time: 05:37
22 dec, sunday
0600 24°F
SE
21 mph
0900 24°F
SE
20 mph
1200 28°F
SE
19 mph
1500 30°F
SE
17 mph
1800 32°F
SE
14 mph
2100 26°F
S
11 mph
23 dec, monday
0000 24°F
S
7 mph
0300 24°F
S
5 mph