World Resorts USA Dewey Beach Weather

Dewey Beach weather in August

Weather in Dewey Beach: August

Average day temperature: 79.5°F
Average night temperature: 73.3°F
Sea water temperature: 74.7°F
Number of sunny days: 9 days
Day length: 13.1 - 14.1 hours
Number of rainy days: 5 days
Precipitation totals: 1.7 in.

Air temperature in August, °F

Show year:
2023
2022
2021

The highest day temperature during August of 2023 was 85°F. At the same time the lowest night temperature was 67°F. Day and night temperature averages during August were 78.2°F and 72.2°F.

Sea water temperature in Dewey Beach in August, °F

Show year:
2023
2022
2021

The average sea water temperature in August of 2023 was 72.6°F. The highest and lowest sea temperatures during the month were 75.7°F and 70.3°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Dewey Beach in August is 1.7 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.8 mph It makes August lest windy month 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 August is: 8.0.

Best time for vacation in Dewey Beach

Sunniest months:
November 17 days
September 15 days
October 14 days
Warmest months:
July 81.4 °F
August 79.5 °F
September 74.4 °F
Warmest sea temp:
July 75.0 °F
August 74.7 °F
September 73.6 °F
Coldest months:
January 42.3 °F
February 44.2 °F
December 46.9 °F
Rainiest months:
August 5 days
March 4 days
July 3 days
Windiest months:
March 13.1 mph
January 12.2 mph
April 12.2 mph

Dewey Beach on a weather map

Dewey Beach
+55°F
SW 12 mph
Feels like: +54°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+59°F
+75°F
+73°F
+73°F
+59°F
+84°F
+59°F
+77°F
+61°F
+52°F
+79°F
+81°F
+75°F
+66°F
24 Hours Forecast
Dewey Beach
Local time: 03:25
May 19, sunday
0600
57°F
SW
9 mph
0900
59°F
SW
9 mph
1200
61°F
SW
11 mph
1500
59°F
W
14 mph
1800
59°F
W
9 mph
2100
57°F
W
11 mph
May 20, monday
0000
55°F
SW
11 mph
0300
55°F
SW
12 mph
Units of measurement: °C / °F