Stone Harbor, NJ climate
Stone Harbor has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 28°, and about 15 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade3° warmer than normal today. The forecast high is 75°, and a typical Oct 1 in Stone Harbor peaks around 72°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Stone Harbor feels like
Winter
Spring
Summer
Fall
Stone Harbor 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° | 28° | 3.3" | 4.5" | 11 | 4 | 29° – 42° |
| February | 45° | 29° | 3.1" | 5.7" | 11 | 4 | 26° – 43° |
| March | 51° | 35° | 4.4" | 2.5" | 12 | 1 | 39° – 51° |
| April | 61° | 44° | 3.4" | 0.1" | 11 | 0 | 49° – 57° |
| May | 70° | 53° | 3.3" | 0 | 11 | 0 | 56° – 67° |
| June | 79° | 63° | 3.6" | 0 | 10 | 0 | 67° – 75° |
| July | 84° | 68° | 4.3" | 0 | 10 | 0 | 72° – 80° |
| August | 83° | 67° | 4.7" | 0 | 9 | 0 | 71° – 79° |
| September | 77° | 61° | 4.0" | 0 | 9 | 0 | 66° – 74° |
| October | 67° | 50° | 4.2" | 0 | 10 | 0 | 54° – 65° |
| November | 56° | 40° | 3.4" | 0 | 9 | 0 | 42° – 53° |
| December | 48° | 32° | 4.2" | 2.0" | 11 | 2 | 32° – 51° |
| Year | 64° | 48° | 45.9" | 14.8" | 124 | 10 |
“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 Stone Harbor
Stone Harbor gets 46 inches of rain and melted snow a year. August is the wettest month and February the driest. Rain or snow falls on about 124 days a year. Snow covers the ground about 10 days of the year.
About 222 frost-free days a year
In half of years the last 32° night comes by April 1 and the first one by November 9. That leaves about 222 frost-free days for gardens, longer than 83% of U.S. towns.
Heating and cooling a home in Stone Harbor
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Stone Harbor, 79% of that work is heating and 21% is cooling.
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.
Stone Harbor and its neighbors
Stone Harbor borders 2 towns with climate data. January nights across them vary by 1.0°. Middle has both the coldest January nights (27°) and the hottest July afternoons (85°). Stone Harbor’s January low is 28° and its July high 84°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Stone Harbor 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 Stone Harbor averaged 2.2° warmer than the 1900s. The biggest change is in December (+3.3°). The shift is larger than in 97% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Stone Harbor’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 32° to 51°. July is the most reliable, staying within 7°.
Common questions about Stone Harbor’s climate
What is the coldest month in Stone Harbor?
January, with a typical high of 43° and a low of 28°.
What is the hottest month in Stone Harbor?
July, with a typical high of 84° and a low of 68°. About 15 days a year reach 90°.
How much snow does Stone Harbor get?
About 15 inches in a normal winter, most of it in February.
When is the first frost in Stone Harbor?
In half of years the first 32° night comes by November 9, and the last spring frost by April 1.
What is the rainiest month in Stone Harbor?
August, with 4.7 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Stone Harbor itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cape May 2 Nw, NJ (11 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.