Hottest Cities in Delaware.

Cities in Delaware with the highest average summer temperatures, from 30-year averages at the nearest weather station.

11 cities ranked · See the national list

#	City	Population	Avg Summer High	Hot Days/yr (90°F+)
1	Newark	30,330	86°F	33
2	Middletown	24,661	86°F	33
3	Glasgow	15,546	86°F	33
4	Brookside	15,115	86°F	33
5	Pike Creek Valley	12,431	86°F	33
6	Dover	39,837	85°F	25
7	Bear	22,370	85°F	22
8	Smyrna	13,165	85°F	25
9	Milford	12,803	85°F	22
10	Wilmington	71,727	82°F	17
11	Hockessin	13,439	82°F	8

More Delaware Rankings

Safest Cities Best Cities for Remote Work Best Walk-to-Work Cities Most Affordable Cities Cities with the Cleanest Air Healthiest Cities Cities with the Shortest Commutes Best Cities for Public Transit Cities with the Longest Commutes Most Diverse Cities Fastest Growing Cities Highest Income Cities Most Educated Cities Youngest Cities Coldest Cities Snowiest Cities Rainiest Cities Best Student-Teacher Ratios