#1Breckenridge
Summit County · 5,015 peopleJuly high·January low 8°·0 days of 90°+ a year
Breckenridge, #1 on this list · Photo: Av9 · CC BY-SA 3.0Colorado rankings · Climate
Towns with the coolest summers in Colorado
Breckenridge has the coolest summers of Colorado’s 149 towns of 2,500+: July afternoons average a high of 72° (NOAA 1991–2020 normals). The typical town here averages 89°; 10 of the 149 stay under 80°.
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
#172°
Vail
Eagle County · 4,407 peopleJuly high·January low 10°·0 days of 90°+ a year
#3Leadville
Lake County · 2,668 peopleJuly high·January low 5°·0 days of 90°+ a year
All 149 towns
July high, lowest first. Towns with the same figure share a rank (T = tied; 92 towns here).
149 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
Quick answers
Questions people ask
Which Colorado town has the coolest summers?
Breckenridge (Summit County): July afternoons average a high of 72°. Vail (72°) and Leadville (73°) follow.
How are these towns ranked?
By the average July high (the warmest month’s afternoons), lowest 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 (149 in Colorado): 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 Colorado page.
Go deeper
All Colorado rankings →More Colorado lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
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