#1Vernon Township
Sussex County · 22,965 peopleJuly high·January low 17°·13 days of 90°+ a year
Vernon Township, #1 on this list · Photo: Jared Kofsky/Placenj.com · CC BY-SA 4.0New Jersey rankings · Climate
Towns with the coolest summers in New Jersey
Vernon Township has the coolest summers of New Jersey’s 367 towns of 2,500+: July afternoons average a high of 81° (NOAA 1991–2020 normals). The typical town here averages 86°; none of the 367 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
#181°
#2Montague Township
Sussex County · 3,896 peopleJuly high·January low 17°·13 days of 90°+ a year
#T3Hardyston Township
Sussex County · 8,541 peopleJuly high·January low 18°·13 days of 90°+ a year
All 367 towns
July high, lowest first. Towns with the same figure share a rank (T = tied; 360 towns here).
367 towns ranked. Not here? See why a town may be missing.
#TownJuly highDays ≥90°January low
Quick answers
Questions people ask
Which New Jersey town has the coolest summers?
Vernon Township (Sussex County): July afternoons average a high of 81°. Montague Township (81°) and Hardyston Township (82°) 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 (367 in New Jersey): 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 New Jersey page.
Go deeper
All New Jersey rankings →More New Jersey lists
Every list ranks the same 2,500+ towns, so a town’s rank means the same thing on each.
Best places to live466 towns · #1 OradellBest small towns215 towns · #1 OradellMost affordable towns468 towns · #1 CamdenSafest towns342 towns · #1 EmersonTowns with the best schools465 towns · #1 Englewood CliffsHealthiest towns468 towns · #1 Mountain LakesBest towns for jobs & income468 towns · #1 Ho-Ho-KusMost walkable towns468 towns · #1 EdgewaterTowns with the lowest natural-hazard risk468 towns · #1 Berlin TownshipBest towns for the outdoors468 towns · #1 MountainsideMost historic towns468 towns · #1 BordentownTowns with the most civic life466 towns · #1 HaddonfieldTowns with the least snow451 towns · #1 Barnegat TownshipDescribed, no lettersSnowiest towns451 towns · #1 Pohatcong TownshipDescribed, no lettersTowns with the mildest winters367 towns · #1 Cape MayDescribed, no lettersTowns with the hottest summers367 towns · #1 Greenwich Township and 3 moreDescribed, no lettersTowns with the highest incomes468 towns · #1 Fair Haven and 7 moreDescribed, no lettersTowns with the lowest property taxes246 towns · #1 CamdenDescribed, no lettersFastest-growing towns465 towns · #1 Plumsted TownshipDescribed, no lettersTowns with the most-used libraries234 towns · #1 PrincetonDescribed, no letters
Other states