Somerville, NJ Weather & Climate Normals
Somerville's real weather, in one number
Somerville, NJ scores 50/100 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.
Somerville's hottest and coldest months
Somerville's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 29°F, a 44.6°F swing across the year, a middling gap by national standards.
Rain and snow in Somerville
Over a typical year, Somerville sees about 46.67in of precipitation a year across roughly 122 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Somerville ranks
Somerville ranks 1775 of 4876 US cities in this dataset for comfort score, and 32 of 194 within NJ. About 14,428 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from SOMERVILLE 4 NW, NJ US, 3.9 miles from Somerville, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated