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United States of America

Delaware climate 2025

United States of America

Delaware climate 2025

Overview: Delaware
Delaware (United States of America) in general has a mild continental climate. Temperatures during the day are in the range from 6 °C (42 °F) in January to 29 °C (85 °F) in July. The highest sea temperatures in Delaware are in August with 24 °C (75 °F) and the lowest in February with 4 °C (39 °F). Temperatures during the night go from -3 °C (26 °F) in January to 19 °C (67 °F) in July. The driest month is October with just 8 days of rain, on the contrary, the month when it rains the most is May with 10 days of rain.

Weather charts for Delaware

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Aerial view of architecture in Philadelphia at sunset time
Aerial view of amazing beach in Virginia Beach on a sunny day with some clouds
Architecture in Washington, D.C. in sunny weather with few clouds

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Climate overview

Delaware (United States of America) in general has a mild continental climate. Temperatures during the day are in the range from 6 °C (42 °F) in January to 29 °C (85 °F) in July. The highest sea temperatures in Delaware are in August with 24 °C (75 °F) and the lowest in February with 4 °C (39 °F). Temperatures during the night go from -3 °C (26 °F) in January to 19 °C (67 °F) in July. The driest month is October with just 8 days of rain, on the contrary, the month when it rains the most is May with 10 days of rain.

What is the best month to visit Delaware?

The best time to visit Delaware is between July and August. During this period, temperatures are between 29 °C (84 °F) - 29 °C (85 °F), night temperatures are between 19 °C (66 °F) - 19 °C (67 °F), rainfall averages 10 days per month, and 9 hours of sunlight on average. The sea temperature for this period ranges from 23 °C (73 °F) to 24 °C (75 °F). For non-beach activities, such as sightseeing, hiking in nature, the best time to visit is August - September.

Which months have the highest daily temperature in Delaware?

The hottest month in Delaware is July with a temperature of 29 °C (85 °F). The period with the highest daytime temperatures is in Delaware during June - August. The temperatures range at this time between 27 °C (80 °F) - 29 °C (85 °F).

What time of year are the highest night temperatures in Delaware?

The highest night temperatures in Delaware occur in the months of July - August. During this time the night temperatures are between 19 °C (66 °F) - 19 °C (67 °F).

What is the humidity in Delaware?

Delaware belongs to destinations with lower humidity. It ranges from 63 % to 74 %. The most humid months are July - November and the least humid are February - April.

When is the hottest sea in Delaware?

The highest sea temperatures in Delaware could be expected between July - September. During these months the sea temperature reaches 22 °C (71 °F) - 24 °C (75 °F).

Is it freezing a lot in Delaware?

Yes, it is likely to be freezing at night in Delaware in the months of December - March.

What is the least cloudy season in Delaware?

The least cloudy months in Delaware are July - September, when the cloud cover is on average only 39 %.

Is it windy in Delaware?

Delaware is a destination with rather light or moderate winds. The months with the strongest wind are February - April, weakest wind months are June - October.

Which month is the sunniest in Delaware?

The period, which is the sunniest in Delaware, is in the months of April - August, when there is an average of 8 sun hours per day.

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