World Resorts USA Dewey Beach Weather

Dewey Beach weather in January

Weather in Dewey Beach: January

Average day temperature: 42.3°F
Average night temperature: 38.5°F
Sea water temperature: 43.1°F
Number of sunny days: 11 days
Day length: 9.5 - 10.2 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 in.

Air temperature in January, °F

Show year:
2024
2023
2022

The highest day temperature during January of 2024 was 58°F. At the same time the lowest night temperature was 22°F. Day and night temperature averages during January were 40.8°F and 38.6°F.

Sea water temperature in Dewey Beach in January, °F

Show year:
2024
2023
2022

The average sea water temperature in January of 2024 was 43.0°F. The highest and lowest sea temperatures during the month were 46.6°F and 38.5°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in January, in.

Precipitation total value in Dewey Beach in January is 1.4 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 12.2 mph It makes January one of the most windy months of the year.

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 January is: 5.1.

Best time for vacation in Dewey Beach

Sunniest months:
November 17 days
October 15 days
June 14 days
Warmest months:
July 80.4 °F
August 78.7 °F
June 74.2 °F
Warmest sea temp:
July 74.9 °F
August 74.6 °F
September 73.2 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 46.9 °F
Rainiest months:
July 4 days
August 4 days
March 4 days
Windiest months:
March 13.1 mph
January 12.2 mph
April 12.2 mph

Dewey Beach on a weather map

Dewey Beach
+27°F
SE 21 mph
Feels like: +10°F
Precip.: 0%
Places in USA:
Name
°F
+14°F
+23°F
+75°F
+75°F
+50°F
+54°F
+61°F
+19°F
+50°F
+54°F
+54°F
+48°F
+46°F
+46°F
+23°F
24 Hours Forecast
Dewey Beach
Local time: 04:33
December 22, sunday
0600
27°F
SE
21 mph
0900
27°F
SE
20 mph
1200
30°F
SE
19 mph
1500
32°F
SE
17 mph
1800
34°F
SE
14 mph
2100
28°F
S
11 mph
December 23, monday
0000
27°F
S
7 mph
0300
27°F
S
5 mph
Units of measurement: °C / °F