Your nature year
New Brunswick, New Jerseythrough the year
Also for Plainfield, NJ, Princeton, NJ, South Plainfield, NJ: the same nearby places.
When do frost, green-up and fall color come to New Brunswick?
Expect about 194 frost-free days in New Brunswick: the last spring frost usually comes around Apr 15, the first fall one around Oct 26, going by NOAA's New Brunswick 3 SE station 1.5 miles away. New Brunswick sits close to sea level, at about 66 feet. Spring green-up reaches town around Mar 24, with first blooms around Apr 25. Spring takes about 5 weeks to go from leaf to bloom. We follow 9 places within 150 miles of New Brunswick; the nearest lies 32 miles to the northeast. New York City, 32 miles from New Brunswick, is the nearest fall foliage spot on this site, usually well under way by mid-October (statewide). Bombay Hook (101 mi) is the pick for wildflowers, Apr 1–May 31 (local timing).
Updated Sep 27. Sources: US Census Bureau, 2024 Gazetteer (places) ↗ (opens in a new tab), US Census Bureau, city and town population estimates, 2024 ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) ↗ (opens in a new tab)
New Brunswick's year at a glance
- Frost possible
- Frost-free, ~Apr 15 to ~Oct 26
- First leaf ~Mar 24
- First bloom ~Apr 25
- Today
Near New Brunswick right now
- First fall frost usually around Oct 26 · last spring frost around Apr 15NOAA 1991–2020 normals, New Brunswick 3 SE (1.5 mi, 50% dates)~4 weeks
- Fall foliage · New York City · 32 miStatewide: usually well under way by mid-October~3 weeks
New Brunswick's nature year
- Cherry blossoms · Baltimore (Fort McHenry)Mar–Apr
- Spring green-upMar
- Wildflowers · Bombay HookApr–May
- Last spring frostApr
- First fall frostOct
- Fall foliage · New York CityOct
Nearby, season by season
Cherry blossoms
- Baltimore (Fort McHenry) · 141 miusually Mar 24–Apr 7~6 months
Fall foliage
- New York City · 32 miStatewide: usually well under way by mid-October~3 weeks
- Delaware Water Gap · 50 miStatewide: usually well under way by late October~3 weeks
- Cherry Valley Refuge · 50 miusually Oct 21–31~3 weeks
Wildflowers
- Bombay Hook · 101 miLocal timing: Apr 1–May 31~6 months
Snow in New Brunswick
Snow usually becomes possible around Jan 2 (our calculation from NOAA's daily snow chances: the first day the chance of 0.1" or more of snow reaches 10%). NOAA's normals at New Brunswick 3 SE (1.5 mi away): 29 inches of snow in an average year, about 7.2 days with 1 inch or more.
NOAA's chance of at least 0.1 inch of snow on each date (one value per week, September to May), averaged over 1991–2020. A typical year, not a forecast.
Frost and green-up
Last spring frost
Apr 15
Average (50% date)
First fall frost
Oct 26
About 194 days without frost between
Spring green-up
Mar 24
First bloom around Apr 25
Frost: NOAA 1991–2020 climate normals at New Brunswick 3 SE (1.5 mi from New Brunswick), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Questions people ask
When is the first frost in New Brunswick?
On average around Oct 26, and the last spring frost around Apr 15: about 194 days without frost between. These are NOAA's 1991–2020 normals at New Brunswick 3 SE, 1.5 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach New Brunswick?
The USA-NPN Spring Index puts first leaf around Mar 24 and first bloom around Apr 25, on average for 1991–2020 at the town.
Where can I see cherry blossoms near New Brunswick?
Baltimore (Fort McHenry), 141 miles (usually Mar 24–Apr 7). Distances are straight-line.
Where can I see fall foliage near New Brunswick?
New York City, 32 miles (statewide: usually well under way by mid-October); Delaware Water Gap, 50 miles (statewide: usually well under way by late October); Cherry Valley Refuge, 50 miles (usually Oct 21–31). Distances are straight-line.
When does it start snowing in New Brunswick?
Snow usually becomes possible around Jan 2: our calculation from NOAA's daily snow chances: the first day the chance of 0.1" or more of snow reaches 10%, at New Brunswick 3 SE. An average year brings 29 inches (NOAA 1991–2020). A typical year, not a forecast.Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal snowfall) ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (daily snowfall probabilities) ↗ (opens in a new tab)
How we know
US Census Bureau, 2024 Gazetteer (places) (opens in a new tab) (Sep 27) · US Census Bureau, city and town population estimates, 2024 (opens in a new tab) (Sep 27) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27) · USA National Phenology Network, Spring Index 1991–2020 averages (opens in a new tab) (Sep 27)