Plainfield, NJ Weather & Climate Normals
Plainfield's real weather, in one number
Plainfield, NJ scores 42/100 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.
Plainfield's hottest and coldest months
Plainfield's hottest month is Jul, averaging 77°F; its coldest is Jan, averaging 33°F, a 44.1°F swing across the year, a middling gap by national standards.
Rain and snow in Plainfield
Plainfield averages 50.39in of precipitation a year across roughly 119 days with measurable rain or snow, and 26.3in of snow a year.
Where Plainfield ranks
Plainfield ranks 4173 of 4876 US cities in this dataset for comfort score, and 159 of 194 within NJ. About 56,507 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from CRANFORD, NJ US, 6.0 miles from Plainfield, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station