New Brunswick, NJ Weather & Climate Normals
What a normal year in New Brunswick actually looks like
On the 30-year record NOAA keeps for New Brunswick, NJ, the comfort score comes out to 47/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much New Brunswick's weather actually swings
Average temperatures in New Brunswick run from 32°F in Jan up to 76°F in Jul, a 44.5°F seasonal swing, a middling gap by national standards.
New Brunswick, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 23°F | 3.74in | 8.3in |
| Feb | 43°F | 24°F | 2.97in | 9.3in |
| Mar | 51°F | 31°F | 4.4in | 5.2in |
| Apr | 63°F | 41°F | 3.89in | 0.6in |
| May | 72°F | 51°F | 4.03in | 0in |
| Jun | 81°F | 60°F | 4.83in | 0in |
| Jul | 87°F | 66°F | 4.83in | 0in |
| Aug | 85°F | 64°F | 4.66in | 0in |
| Sep | 78°F | 57°F | 4.18in | 0in |
| Oct | 67°F | 44°F | 4.11in | 0.2in |
| Nov | 56°F | 35°F | 3.4in | 0.5in |
| Dec | 45°F | 28°F | 4.49in | 4.9in |
If you're timing a visit, May, Jun, Aug, Sep, and Oct are New Brunswick's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet New Brunswick actually gets
Over a typical year, New Brunswick sees about 49.53in of precipitation a year across roughly 125 days with measurable rain or snow, with 29in of snow a year.
New Brunswick against the rest of the country
Out of 4876 cities scored here, New Brunswick comes in at 2565; within NJ alone it ranks 72 of 194. Population is about 57,487.
Checking the actual forecast
These figures come from New Brunswick 3 Se, NJ US, the NOAA station 1.5 miles from New Brunswick, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is