Whether you're visiting Delaware in the United States of America during the peak of July (31°C (88°F)) or the cooler months around January (6°C (43°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Dover, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Delaware offers pleasant conditions in May, September and October, with temperatures typically ranging from 20°C (68°F) to 26°C (79°F).
The colder weather is most prominent in the months of January, February and December.
When it comes to rainfall, Delaware sees significant variations throughout the year. October tends to be the wettest, receiving 143 mm (5.6 in) of rain, while February is much drier with just 70 mm (2.8 in).