Morristown, NJ Weather & Climate Normals
Morristown's real weather, in one number
Morristown, 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.
Morristown's hottest and coldest months
Morristown's hottest month is Jul, averaging 76°F; its coldest is Jan, averaging 31°F, a 45.2°F swing across the year, one of the widest gaps in this dataset.
Morristown's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 22°F | 3.53in | 5.8in |
| Feb | 42°F | 23°F | 2.96in | 8.4in |
| Mar | 50°F | 31°F | 4.19in | 4.6in |
| Apr | 62°F | 41°F | 4.03in | 0.4in |
| May | 72°F | 50°F | 4.05in | 0in |
| Jun | 82°F | 60°F | 4.77in | 0in |
| Jul | 86°F | 66°F | 4.68in | 0in |
| Aug | 85°F | 64°F | 4.94in | 0in |
| Sep | 78°F | 56°F | 4.64in | 0in |
| Oct | 66°F | 44°F | 4.58in | 0in |
| Nov | 54°F | 35°F | 3.6in | 0.7in |
| Dec | 44°F | 28°F | 4.43in | 4.1in |
May, Jun, Aug, and Sep are the best time to see Morristown at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Morristown
Morristown averages 50.4in of precipitation a year across roughly 123 days with measurable rain or snow, and 24in of snow a year.
Where Morristown ranks
Morristown ranks 4210 of 4876 US cities in this dataset for comfort score, and 169 of 194 within NJ. About 20,732 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Canoe Brook, NJ US, 7.4 miles from Morristown, 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