Allendale, NJ Weather & Climate Normals
Allendale's real weather, in one number
Allendale, 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.
Allendale's hottest and coldest months
Allendale's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 29°F, a 45.5°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Allendale
Over a typical year, Allendale sees about 48.2in of precipitation a year across roughly 116 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Allendale ranks
Allendale ranks 1921 of 4876 US cities in this dataset for comfort score, and 60 of 194 within NJ. About 6,928 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from WANAQUE RAYMOND DAM, NJ US, 8.4 miles from Allendale, 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