Delaware City (DE) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to chilly in Delaware City. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 20°C (68°F) in July to -4°C (25°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Delaware City has a relatively rain/snowy climate with high precipitation levels, averaging 1248 mm (49 in) of rain/snowfall annually. Delaware City experiences moderate seasonal variation in rainfall, with monthly averages ranging from 153 mm (6 in) in June, the wettest month, and 76 mm (3 in) in February, the driest month. For more details, please visit our Delaware City Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Delaware City can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Delaware City.

The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year