Golden Triangle has chilly winters and warm summers
A typical July afternoon reaches 88°, a January night drops to 26°, and about 22 inches of snow falls in a normal winter.
A year in Golden Triangle at a glance
Each month’s typical high and low, and what it brings.
What stands out about Golden Triangle’s climate
Read from where Golden Triangle sits among New Jersey’s towns. The page puts what stands out first.
About 199 frost-free days a year
In half of years the last 32° night comes by April 15 and the first by October 31.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
What a year in Golden Triangle 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
July is the wettest month and February the driest. Rain or snow falls on about 130 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Golden Triangle’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
199 frost-free days. The last frost comes by Apr 15 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 31.
About 22" a winter over 6 days with an inch or more, most in February. Snow covers the ground about 21 days a year.
Months averaging under 55° run from November through April. Heating is 81% of the year’s heating-and-cooling load.
About 33 days a year reach 90°, and July afternoons average 88°.
The nicest months are April, May, June, September and October. 0.9 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 →Golden Triangle and its neighbors
Pennsauken has the coldest January nights next door (25°) and Pennsauken the hottest July afternoons (88°). 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 Golden Triangle averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 94% of U.S. towns.
Change by month
How Golden Triangle compares
Against every U.S. town on TownTapestry, each counted once, with its place in New Jersey.
Golden Triangle 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 | 42° | 26° | 3.4" | 5.8" | 12 | 7 | 26° – 41° |
| February | 45° | 27° | 2.8" | 8.2" | 10 | 8 | 25° – 43° |
| March | 53° | 34° | 4.1" | 2.7" | 12 | 3 | 38° – 52° |
| April | 65° | 43° | 3.7" | 0.3" | 12 | 0 | 50° – 59° |
| May | 74° | 53° | 3.6" | 0 | 13 | 0 | 59° – 69° |
| June | 83° | 62° | 4.3" | 0 | 11 | 0 | 69° – 76° |
| July | 88° | 68° | 4.8" | 0 | 11 | 0 | 73° – 81° |
| August | 85° | 66° | 4.4" | 0 | 10 | 0 | 71° – 79° |
| September | 79° | 59° | 4.2" | 0 | 9 | 0 | 66° – 73° |
| October | 67° | 47° | 3.8" | 0 | 10 | 0 | 53° – 63° |
| November | 56° | 37° | 3.2" | 0.2" | 9 | 0 | 41° – 52° |
| December | 46° | 30° | 4.2" | 4.7" | 11 | 3 | 31° – 51° |
| Year | 65° | 46° | 46.5" | 21.9" | 130 | 21 |
Heating and cooling a home in Golden Triangle
81% of the work is heating, so the furnace matters far more than the air conditioner.
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 31° to 51°. June is the most reliable, staying within 7°.
Common questions about Golden Triangle’s climate
What is the coldest month in Golden Triangle?
January, with a typical high of 42° and a low of 26°.
What is the hottest month in Golden Triangle?
July, with a typical high of 88° and a low of 68°. About 33 days a year reach 90°.
How much snow does Golden Triangle get?
About 22 inches in a normal winter, most of it in February.
When is the first frost in Golden Triangle?
In half of years the first 32° night comes by October 31, and the last spring frost by April 15.
What is the rainiest month in Golden Triangle?
July, 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 Golden Triangle.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Golden Triangle itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Somerdale 4 Sw, NJ (7 mi, snow) and Pennsauken 1n, 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.