Jersey City, NJ Weather & Climate Normals
Jersey City's real weather, in one number
Jersey City, NJ scores 41/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Jersey City's hottest and coldest months
Jersey City's hottest month is Jul, averaging 78°F; its coldest is Jan, averaging 32°F, a 45.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Jersey City
Jersey City averages 50.42in of precipitation a year across roughly 120 days with measurable rain or snow, and 28.2in of snow a year.
Where Jersey City ranks
Jersey City ranks 4335 of 4876 US cities in this dataset for comfort score, and 188 of 194 within NJ. About 302,824 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from HARRISON, NJ US, 5.2 miles from Jersey City, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure