Flemington, NJ climate
Flemington has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 86°, a January night drops to 21°, and about 27 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Flemington feels like
Winter
Spring
Summer
Fall
Flemington weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 21° | 3.6" | 6.2" | 11 | 21° – 38° |
| February | 42° | 23° | 2.9" | 9.4" | 9 | 20° – 39° |
| March | 51° | 30° | 4.1" | 5.7" | 11 | 34° – 49° |
| April | 63° | 39° | 3.9" | 0.9" | 12 | 47° – 55° |
| May | 73° | 49° | 4.2" | 0 | 13 | 56° – 66° |
| June | 81° | 58° | 4.5" | 0 | 12 | 66° – 73° |
| July | 86° | 63° | 5.1" | 0 | 11 | 70° – 79° |
| August | 84° | 62° | 4.6" | 0 | 11 | 68° – 76° |
| September | 78° | 55° | 4.6" | 0 | 9 | 63° – 70° |
| October | 66° | 43° | 4.3" | 0 | 10 | 49° – 61° |
| November | 54° | 34° | 3.4" | 0.4" | 9 | 39° – 49° |
| December | 44° | 26° | 4.3" | 4.5" | 11 | 28° – 46° |
| Year | 63° | 42° | 49.5" | 27.1" | 127 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Flemington
Flemington gets 49 inches of rain and melted snow a year. July is the wettest month and February the driest. Rain or snow falls on about 127 days a year.
About 179 frost-free days a year
In half of years the last 32° night comes by April 24 and the first one by October 21. That leaves about 179 frost-free days for gardens, longer than 51% of U.S. towns.
Heating and cooling a home in Flemington
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Flemington, 86% of that work is heating and 14% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Flemington compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Flemington averaged 2.4° warmer than the 1900s. The biggest change is in December (+4.1°). The shift is larger than in 100% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Flemington’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 20° to 39°. September is the most reliable, staying within 7°.
Common questions about Flemington’s climate
What is the coldest month in Flemington?
January, with a typical high of 39° and a low of 21°.
What is the hottest month in Flemington?
July, with a typical high of 86° and a low of 63°. About 21 days a year reach 90°.
How much snow does Flemington get?
About 27 inches in a normal winter, most of it in February.
When is the first frost in Flemington?
In half of years the first 32° night comes by October 21, and the last spring frost by April 24.
What is the rainiest month in Flemington?
July, with 5.1 inches of rain and melted snow. The year totals 49 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Flemington itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Flemington 5 Nnw, NJ (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.