#T1Phoenixville
Chester County · 20,356 peopleJuly high·January low 23°·29 days of 90°+ a year
Phoenixville, #1 on this list · Photo: Ele boz · CC BY-SA 3.0Pennsylvania rankings · Climate
Towns with the hottest summers in Pennsylvania
Phoenixville (tied with 2 more) has the hottest summers of Pennsylvania’s 914 towns of 2,500+: July afternoons average a high of 88° (NOAA 1991–2020 normals). The typical town here averages 84°; none of the 914 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
#T188°
#T1Schuylkill Township
Chester County · 8,960 peopleJuly high·January low 23°·29 days of 90°+ a year
Spring City
Chester County · 3,878 peopleJuly high·January low 22°·17 days of 90°+ a year
All 914 towns
July high, highest first. Towns with the same figure share a rank (T = tied; 906 towns here).
914 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
Quick answers
Questions people ask
Which Pennsylvania town has the hottest summers?
Phoenixville (Chester County): July afternoons average a high of 88°. Schuylkill Township (88°) and Spring City (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 (914 in Pennsylvania): 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 Pennsylvania page.
Go deeper
All Pennsylvania rankings →More Pennsylvania lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
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