Marmora has chilly winters and pleasant summers
A typical July afternoon reaches 84°, a January night drops to 28°, and about 17 inches of snow falls in a normal winter.
A year in Marmora at a glance
Each month’s typical high and low, and what it brings.
What stands out about Marmora’s climate
Read from where Marmora sits among New Jersey’s towns. The page puts what stands out first.
What a year in Marmora feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Marmora’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
243 frost-free days. The last frost comes by Mar 26 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 22.
About 17" a winter over 5 days with an inch or more, most in February.
Months averaging under 55° run from November through April. Heating is 77% of the year’s heating-and-cooling load.
About 19 days a year reach 90°, and July afternoons average 84°.
The nicest months are May, June, July, August, September and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Marmora averaged 2.3° warmer than the 1900s. The biggest change is in December (+3.6°).
A bigger shift than in 99% of U.S. towns.
Change by month
17 inches of snow, 46 of rain and melt
August is the wettest month and February the driest. Rain or snow falls on about 120 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 243 frost-free days a year
In half of years the last 32° night comes by March 26 and the first by November 22.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Marmora and its neighbors
Palermo has the coldest January nights next door (28°) and Palermo the hottest July afternoons (84°). 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.
How Marmora compares
Against every U.S. town on TownTapestry, each counted once, with its place in New Jersey.
Marmora 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° | 3.4" | 5.7" | 11 | 4 | 28° – 42° |
| February | 44° | 29° | 3.1" | 5.9" | 10 | 4 | 26° – 43° |
| March | 51° | 34° | 4.5" | 2.2" | 11 | 1 | 38° – 51° |
| April | 61° | 43° | 3.5" | 0.3" | 11 | 0 | 49° – 57° |
| May | 69° | 53° | 3.3" | 0 | 11 | 0 | 56° – 66° |
| June | 79° | 63° | 3.7" | 0 | 10 | 0 | 67° – 75° |
| July | 84° | 69° | 4.4" | 0 | 10 | 0 | 72° – 79° |
| August | 82° | 67° | 4.7" | 0 | 9 | 0 | 71° – 79° |
| September | 77° | 61° | 3.8" | 0 | 9 | 0 | 66° – 73° |
| October | 67° | 50° | 4.2" | 0 | 9 | 0 | 54° – 65° |
| November | 56° | 40° | 3.4" | 0.1" | 9 | 0 | 42° – 52° |
| December | 47° | 32° | 4.4" | 3.2" | 11 | 1 | 32° – 51° |
| Year | 63° | 47° | 46.3" | 17.4" | 120 | 10 |
Heating and cooling a home in Marmora
77% 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 32° to 51°. September is the most reliable, staying within 8°.
Common questions about Marmora’s climate
What is the coldest month in Marmora?
January, with a typical high of 43° and a low of 28°.
What is the hottest month in Marmora?
July, with a typical high of 84° and a low of 69°. About 19 days a year reach 90°.
How much snow does Marmora get?
About 17 inches in a normal winter, most of it in February.
When is the first frost in Marmora?
In half of years the first 32° night comes by November 22, and the last spring frost by March 26.
What is the rainiest month in Marmora?
August, with 4.7 inches of rain and melted snow. The year totals 46 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Marmora.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Marmora itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Atlantic City Intl Airport, NJ (14 mi, snow) and Margate, NJ (10 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.