#1Eureka
Humboldt County · 25,304 peopleJuly high·January low 42°·0 days of 90°+ a year
Eureka, #1 on this list · Photo: Robert Campbell · CC BY-SA 3.0California rankings · Climate
Towns with the coolest summers in California
Eureka has the coolest summers of California’s 757 towns of 2,500+: July afternoons average a high of 63° (NOAA 1991–2020 normals). The typical town here averages 90°; 159 of the 757 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
#163°
Bayview
unincorporated, Humboldt County · 2,803 peopleJuly high·January low 42°·0 days of 90°+ a year
#3Fort Bragg
Mendocino County · 6,946 peopleJuly high·January low 43°·0 days of 90°+ a year
All 757 towns
July high, lowest first. Towns with the same figure share a rank (T = tied; 650 towns here).
757 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
T128California Polytechnic State University College campusunincorporated, San Luis Obispo County · 7,915 people1942°average low
T163Pepperdine University College campusunincorporated, Los Angeles County · 3,087 people548°average low
T494University of California-Davis College campusunincorporated, Yolo County · 8,696 people8839°average low
Quick answers
Questions people ask
Which California town has the coolest summers?
Eureka (Humboldt County): July afternoons average a high of 63°. Bayview (63°) and Fort Bragg (64°) 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 (757 in California): 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 California page.
Go deeper
All California rankings →More California lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
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