Dewey Beach (DE) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dewey Beach.
Climate overview of Dewey Beach
Dewey Beach, Delaware, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 7°C (45°F) in February.
Rain/snowfall is high, totalling around 1183 mm (47 in) per year. October is the wettest month and May the driest.
Dewey Beach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dewey Beach — and find the best time to visit.
Monthly Temperature in Dewey Beach
Depending on the time of the year, temperatures range from very warm to chilly in Dewey Beach. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like February.
At night, you can expect temperatures ranging from 22°C (72°F) in July to around -2°C (28°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dewey Beach
Dewey Beach has a relatively rain/snowy climate with high precipitation levels, averaging 1183 mm (47 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 136 mm (5.4 in) of precipitation, spread over 11 rainy days.
In contrast, the driest month May experiences a drier climate, with about 77 mm (3 in) of rainfall spread across 13 rainy days. For more details, please visit our Dewey Beach Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Dewey Beach
Rainfall during this time ranges from 77 mm (3 in) in May to 136 mm (5.4 in) in October. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Dewey Beach
What is the best time to visit Dewey Beach?
May typically offers the most optimal weather in Dewey Beach. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Dewey Beach?
Daytime highs range from 7°C (45°F) in February to 31°C (88°F) in July. Nighttime lows range from -2°C (28°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Dewey Beach get?
Annual rainfall is around 1183 mm (47 in). October is the wettest month with 136 mm (5.4 in), while May is the driest with 77 mm (3 in).
Dewey Beach 3-Day Forecast
Dewey Beach (DE) 3-Day Forecast
Dewey Beach on the map
Dewey Beach is highlighted — select any city to see its climate.
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