Rumson, NJ Weather & Climate Normals
Rumson's real weather, in one number
Rumson, NJ scores 51/100 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. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Rumson's hottest and coldest months
Rumson's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 33°F, a 41.9°F swing across the year, a middling gap by national standards.
Rain and snow in Rumson
Over a typical year, Rumson sees about 52.53in of precipitation a year across roughly 120 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Rumson ranks
Rumson ranks 1589 of 4876 US cities in this dataset for comfort score, and 15 of 194 within NJ. About 7,191 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LONG BRANCH-OAKHURST, NJ US, 4.5 miles from Rumson, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is