Belleplain has chilly winters and warm summers
A typical July afternoon reaches 86°, a January night drops to 25°, and about 22 inches of snow falls in a normal winter.
A year in Belleplain at a glance
Each month’s typical high and low, and what it brings.
What a year in Belleplain feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
22 inches of snow, 47 of rain and melt
August is the wettest month and February the driest. Rain or snow falls on about 125 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 181 frost-free days a year
In half of years the last 32° night comes by April 24 and the first by October 22.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Belleplain’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
181 frost-free days. The last frost comes by Apr 24 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 22.
About 22" a winter over 6 days with an inch or more, most in February. Snow covers the ground about 17 days a year.
Months averaging under 55° run from November through April. Heating is 80% of the year’s heating-and-cooling load.
About 28 days a year reach 90°, and July afternoons average 86°.
The nicest months are April, May, June, August, September and October. 19 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Belleplain and its neighbors
Dennis has the coldest January nights next door (25°) and Dennis the hottest July afternoons (85°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Belleplain averaged 2.2° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 98% of U.S. towns.
Change by month
How Belleplain compares
Against every U.S. town on TownTapestry, each counted once, with its place in New Jersey.
Belleplain 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 25° | 3.4" | 6.1" | 11 | 5 | 27° – 40° |
| February | 45° | 26° | 3.0" | 8.2" | 11 | 7 | 25° – 42° |
| March | 53° | 32° | 4.5" | 3.4" | 12 | 2 | 38° – 50° |
| April | 63° | 41° | 3.5" | 0.7" | 12 | 0 | 49° – 57° |
| May | 72° | 50° | 3.3" | 0 | 11 | 0 | 56° – 67° |
| June | 81° | 61° | 3.9" | 0 | 11 | 0 | 67° – 75° |
| July | 86° | 66° | 4.5" | 0 | 10 | 0 | 71° – 79° |
| August | 84° | 64° | 4.8" | 0 | 9 | 0 | 70° – 78° |
| September | 78° | 58° | 3.9" | 0 | 9 | 0 | 65° – 72° |
| October | 67° | 46° | 4.2" | 0 | 10 | 0 | 52° – 63° |
| November | 57° | 36° | 3.4" | 0 | 9 | 0 | 41° – 51° |
| December | 48° | 29° | 4.3" | 3.6" | 11 | 3 | 30° – 50° |
| Year | 65° | 44° | 46.6" | 22.0" | 125 | 17 |
Heating and cooling a home in Belleplain
80% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 50°. August is the most reliable, staying within 8°.
Common questions about Belleplain’s climate
What is the coldest month in Belleplain?
January, with a typical high of 43° and a low of 25°.
What is the hottest month in Belleplain?
July, with a typical high of 86° and a low of 66°. About 28 days a year reach 90°.
How much snow does Belleplain get?
About 22 inches in a normal winter, most of it in February.
When is the first frost in Belleplain?
In half of years the first 32° night comes by October 22, and the last spring frost by April 24.
What is the rainiest month in Belleplain?
August, with 4.8 inches of rain and melted snow. The year totals 47 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Belleplain.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Belleplain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Estell Manor, NJ (9 mi, snow) and Belleplain Stn Forest, NJ (2 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.