#1Seaford
Sussex County · 9,165 peopleJuly high·January low 26°·22 days of 90°+ a year
Seaford, #1 on this list · Photo: Levelhead at English Wikipedia · CC BY-SA 3.0Delaware rankings · Climate
Towns with the hottest summers in Delaware
Seaford has the hottest summers of Delaware’s 34 towns of 2,500+: July afternoons average a high of 89° (NOAA 1991–2020 normals). The typical town here averages 87°; none of the 34 average 90° or more.
The average July high. NOAA U.S. Climate Normals, 1991–2020, from NOAA’s 5 km grid at each town’s center; one town for each grid cell. A described list: no letters. How grades work
#189°
#T2Bridgeville
Sussex County · 2,997 peopleJuly high·January low 26°·22 days of 90°+ a year
#T2Laurel
Sussex County · 4,557 peopleJuly high·January low 27°·31 days of 90°+ a year
All 34 towns
July high, highest first. Towns with the same figure share a rank (T = tied; 29 towns here).
34 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
Quick answers
Questions people ask
Which Delaware town has the hottest summers?
Seaford (Sussex County): July afternoons average a high of 89°. Bridgeville (88°) and Laurel (88°) follow.
How are these towns ranked?
By the average July high (the warmest month’s afternoons), highest first, on NOAA’s 1991–2020 normals, read from its 5 km grid at each town’s center. Towns with the same figure share a rank (T); the figure and the state rank are the ones on each town’s Climate page. How grades work.
Why isn’t my town on this list?
The list covers towns of 2,500+ residents, one for each of NOAA’s 5 km grid cells (34 in Delaware): where towns share a cell, one of them stands for it, since the grid gives them the same figures. Every town’s own figures are on its Climate page. Every town is on the Delaware page.
Go deeper
All Delaware rankings →More Delaware lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
Best places to live37 towns · #1 TownsendBest small towns26 towns · #1 TownsendMost affordable towns37 towns · #1 Wilmington ManorSafest towns22 towns · #1 TownsendTowns with the best schools37 towns · #1 Lewes and MiltonHealthiest towns37 towns · #1 North StarBest towns for jobs & income37 towns · #1 Pike CreekMost walkable towns37 towns · #1 WilmingtonTowns with the lowest natural-hazard risk37 towns · #1 Wilmington ManorBest towns for the outdoors37 towns · #1 LewesMost historic towns37 towns · #1 New CastleTowns with the most civic life22 towns · #1 LewesTowns with the least snow37 towns · #1 LaurelDescribed, no lettersSnowiest towns37 towns · #1 BearDescribed, no lettersTowns with the mildest winters34 towns · #1 Ocean ViewDescribed, no lettersTowns with the coolest summers34 towns · #1 Ocean ViewDescribed, no lettersTowns with the highest incomes37 towns · #1 HockessinDescribed, no lettersTowns with the lowest property taxes36 towns · #1 HarringtonDescribed, no lettersFastest-growing towns21 towns · #1 MilfordDescribed, no letters
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