Counties with the coldest winters in New Jersey
#21. Cape May County
- Winter 2024 average temperature: 40.2 degrees Fahrenheit
- Historic average summer temperature: 34.2 degrees
-- 2024 difference from historic average: +6 degrees
- Historic average summer temperature: 34.2 degrees
-- 2024 difference from historic average: +6 degrees
#20. Hudson County
- Winter 2024 average temperature: 39.7 degrees Fahrenheit
- Historic average summer temperature: 32.2 degrees
-- 2024 difference from historic average: +7.6 degrees
- Historic average summer temperature: 32.2 degrees
-- 2024 difference from historic average: +7.6 degrees
#19. Camden County
- Winter 2024 average temperature: 39.6 degrees Fahrenheit
- Historic average summer temperature: 33.0 degrees
-- 2024 difference from historic average: +6.6 degrees
- Historic average summer temperature: 33.0 degrees
-- 2024 difference from historic average: +6.6 degrees
#17. Cumberland County (tie)
- Winter 2024 average temperature: 39.5 degrees Fahrenheit
- Historic average summer temperature: 33.3 degrees
-- 2024 difference from historic average: +6.2 degrees
- Historic average summer temperature: 33.3 degrees
-- 2024 difference from historic average: +6.2 degrees
#17. Gloucester County (tie)
- Winter 2024 average temperature: 39.5 degrees Fahrenheit
- Historic average summer temperature: 33.1 degrees
-- 2024 difference from historic average: +6.3 degrees
- Historic average summer temperature: 33.1 degrees
-- 2024 difference from historic average: +6.3 degrees
#16. Atlantic County
- Winter 2024 average temperature: 39.4 degrees Fahrenheit
- Historic average summer temperature: 33.2 degrees
-- 2024 difference from historic average: +6.2 degrees
- Historic average summer temperature: 33.2 degrees
-- 2024 difference from historic average: +6.2 degrees
#14. Burlington County (tie)
- Winter 2024 average temperature: 39.3 degrees Fahrenheit
- Historic average summer temperature: 32.9 degrees
-- 2024 difference from historic average: +6.4 degrees
- Historic average summer temperature: 32.9 degrees
-- 2024 difference from historic average: +6.4 degrees
#14. Salem County (tie)
- Winter 2024 average temperature: 39.3 degrees Fahrenheit
- Historic average summer temperature: 33.3 degrees
-- 2024 difference from historic average: +6 degrees
- Historic average summer temperature: 33.3 degrees
-- 2024 difference from historic average: +6 degrees
#13. Union County
- Winter 2024 average temperature: 39.1 degrees Fahrenheit
- Historic average summer temperature: 31.1 degrees
-- 2024 difference from historic average: +7.9 degrees
- Historic average summer temperature: 31.1 degrees
-- 2024 difference from historic average: +7.9 degrees
#12. Ocean County
- Winter 2024 average temperature: 39.0 degrees Fahrenheit
- Historic average summer temperature: 32.7 degrees
-- 2024 difference from historic average: +6.3 degrees
- Historic average summer temperature: 32.7 degrees
-- 2024 difference from historic average: +6.3 degrees
#10. Middlesex County (tie)
- Winter 2024 average temperature: 38.8 degrees Fahrenheit
- Historic average summer temperature: 31.4 degrees
-- 2024 difference from historic average: +7.4 degrees
- Historic average summer temperature: 31.4 degrees
-- 2024 difference from historic average: +7.4 degrees
#10. Monmouth County (tie)
- Winter 2024 average temperature: 38.8 degrees Fahrenheit
- Historic average summer temperature: 31.8 degrees
-- 2024 difference from historic average: +6.9 degrees
- Historic average summer temperature: 31.8 degrees
-- 2024 difference from historic average: +6.9 degrees
#9. Essex County
- Winter 2024 average temperature: 38.4 degrees Fahrenheit
- Historic average summer temperature: 30.5 degrees
-- 2024 difference from historic average: +7.9 degrees
- Historic average summer temperature: 30.5 degrees
-- 2024 difference from historic average: +7.9 degrees
#8. Mercer County
- Winter 2024 average temperature: 37.9 degrees Fahrenheit
- Historic average summer temperature: 31.3 degrees
-- 2024 difference from historic average: +6.6 degrees
- Historic average summer temperature: 31.3 degrees
-- 2024 difference from historic average: +6.6 degrees
#7. Bergen County
- Winter 2024 average temperature: 37.5 degrees Fahrenheit
- Historic average summer temperature: 30.0 degrees
-- 2024 difference from historic average: +7.4 degrees
- Historic average summer temperature: 30.0 degrees
-- 2024 difference from historic average: +7.4 degrees
#6. Somerset County
- Winter 2024 average temperature: 37.3 degrees Fahrenheit
- Historic average summer temperature: 29.9 degrees
-- 2024 difference from historic average: +7.4 degrees
- Historic average summer temperature: 29.9 degrees
-- 2024 difference from historic average: +7.4 degrees
#5. Hunterdon County
- Winter 2024 average temperature: 35.9 degrees Fahrenheit
- Historic average summer temperature: 28.5 degrees
-- 2024 difference from historic average: +7.4 degrees
- Historic average summer temperature: 28.5 degrees
-- 2024 difference from historic average: +7.4 degrees
#4. Passaic County
- Winter 2024 average temperature: 35.6 degrees Fahrenheit
- Historic average summer temperature: 28.0 degrees
-- 2024 difference from historic average: +7.6 degrees
- Historic average summer temperature: 28.0 degrees
-- 2024 difference from historic average: +7.6 degrees
#3. Morris County
- Winter 2024 average temperature: 35.5 degrees Fahrenheit
- Historic average summer temperature: 27.9 degrees
-- 2024 difference from historic average: +7.7 degrees
- Historic average summer temperature: 27.9 degrees
-- 2024 difference from historic average: +7.7 degrees
#2. Warren County
- Winter 2024 average temperature: 34.7 degrees Fahrenheit
- Historic average summer temperature: 26.9 degrees
-- 2024 difference from historic average: +7.8 degrees
- Historic average summer temperature: 26.9 degrees
-- 2024 difference from historic average: +7.8 degrees
#1. Sussex County
- Winter 2024 average temperature: 33.8 degrees Fahrenheit
- Historic average summer temperature: 26.2 degrees
-- 2024 difference from historic average: +7.6 degrees
- Historic average summer temperature: 26.2 degrees
-- 2024 difference from historic average: +7.6 degrees
This story features data reporting by Wade Zhou, writing by Andrea Vale, and is part of a series utilizing data automation across 48 states.
Leszek Glasner // Shutterstock