Caldwell, NJ Weather & Climate Normals
Caldwell's real weather, in one number
Caldwell, 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.
Caldwell's hottest and coldest months
Caldwell's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 30°F, a 45°F swing across the year, a middling gap by national standards.
Caldwell's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 38°F | 21°F | 3.64in |
| Feb | 41°F | 23°F | 2.93in |
| Mar | 49°F | 30°F | 4.16in |
| Apr | 63°F | 40°F | 4.08in |
| May | 72°F | 49°F | 4.04in |
| Jun | 81°F | 59°F | 4.6in |
| Jul | 86°F | 64°F | 4.8in |
| Aug | 84°F | 63°F | 4.47in |
| Sep | 78°F | 54°F | 4.53in |
| Oct | 65°F | 43°F | 4.31in |
| Nov | 53°F | 34°F | 3.64in |
| Dec | 43°F | 27°F | 3.41in |
May, Jun, Jul, Aug, and Sep are the best time to see Caldwell at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Caldwell
Over a typical year, Caldwell sees about 48.61in of precipitation a year across roughly 0 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Caldwell ranks
Caldwell ranks 1850 of 4876 US cities in this dataset for comfort score, and 47 of 194 within NJ. About 9,326 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Essex Fells Service Bldg, NJ US, 0.7 miles from Caldwell, 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