#1St. George
Washington County · 108,713 peopleJuly high·January low 33°·128 days of 90°+ a year
St. George, #1 on this list · Photo: Eddie Maloney from North Las Vegas, USA · CC BY-SA 2.0Utah rankings · Climate
Towns with the hottest summers in Utah
St. George has the hottest summers of Utah’s 116 towns of 2,500+: July afternoons average a high of 103° (NOAA 1991–2020 normals). The typical town here averages 92°; 87 of the 116 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
#1103°
#2Santa Clara
Washington County · 8,722 peopleJuly high·January low 32°·128 days of 90°+ a year
#3Washington
Washington County · 37,107 peopleJuly high·January low 32°·128 days of 90°+ a year
All 116 towns
July high, highest first. Towns with the same figure share a rank (T = tied; 86 towns here).
116 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
Quick answers
Questions people ask
Which Utah town has the hottest summers?
St. George (Washington County): July afternoons average a high of 103°. Santa Clara (102°) and Washington (102°) 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 (116 in Utah): 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 Utah page.
Go deeper
All Utah rankings →More Utah lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
Best places to live118 towns · #1 MillvilleBest small towns50 towns · #1 MillvilleMost affordable towns119 towns · #1 FillmoreSafest towns62 towns · #1 SmithfieldTowns with the best schools119 towns · #1 Hyde Park and Hyrum and Millville and Nibley and North Logan and Providence and Richmond and Smithfield and WellsvilleHealthiest towns118 towns · #1 East BasinBest towns for jobs & income119 towns · #1 Fruit HeightsMost walkable towns119 towns · #1 Salt Lake CityTowns with the lowest natural-hazard risk119 towns · #1 BlandingBest towns for the outdoors119 towns · #1 La VerkinMost historic towns119 towns · #1 Salt Lake CityTowns with the most civic life106 towns · #1 MoabTowns with the least snow118 towns · #1 IvinsDescribed, no lettersSnowiest towns118 towns · #1 East BasinDescribed, no lettersTowns with the mildest winters116 towns · #1 St. GeorgeDescribed, no lettersTowns with the coolest summers116 towns · #1 Summit ParkDescribed, no lettersTowns with the highest incomes119 towns · #1 HighlandDescribed, no lettersTowns with the lowest property taxes119 towns · #1 BeaverDescribed, no lettersFastest-growing towns110 towns · #1 Saratoga SpringsDescribed, no lettersTowns with the most-used libraries38 towns · #1 Park CityDescribed, no letters
Other states