More precipitation falls on Macopin than on 80% of U.S. towns: 49 inches a year
Sunny July days climb to about 83°. In July, afternoons here are cooler than in 73% of U.S. towns. Decade by decade the climate has edged up, 2.1° above 1901–2000. Picnics, hikes and garden evenings come into their own from May to October, with highs of 63–83°.
A year in Macopin at a glance
Each month’s typical high and low, and what it brings.
What stands out about Macopin’s climate
Compared with towns across the U.S., with Macopin’s place in New Jersey beside it.
What a year in Macopin feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 174 frost-free days a year
In half of years the last 32° night comes by April 25 and the first by October 17. Frost and day counts come from NOAA’s station at Charlotteburg Reservoir, NJ, 2.4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Macopin’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −2°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 28 inches of snow a winter
Snow, measured at Oak Ridge Reservoir, NJ, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 115 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Macopin
91% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Charlotteburg Reservoir, NJ.
Living with Macopin’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
174 frost-free days in zone 6b. The last frost comes by Apr 25 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 17.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 16 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Macopin from natural hazards, river flooding is the largest share (81%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Macopin and its neighbors
Butler the hottest July afternoons (84°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Macopin’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Macopin, NJ | 19° | 83° | 49" | 28" |
| Rehoboth, MA | 20° | 83° | 50" | 26" |
| Cranston, RI | 20° | 83° | 49" | 37" |
| New Freedom, PA | 21° | 84° | 48" | 29" |
| New Castle, IN | 19° | 84° | 44" | 25" |
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 Macopin averaged 2.1° warmer than the 1900s. The biggest change is in December (+3.4°).
A bigger shift than in 92% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Macopin compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Macopin’s place among New Jersey’s.
Macopin weather by month
Highs, lows and precipitation from NOAA’s grid at Macopin’s center; snow, wet days and snow on the ground from Oak Ridge Reservoir, NJ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 36° | 19° | 3.6" | 9.6" | 11 | 19° – 35° |
| February | 39° | 21° | 2.8" | 7.7" | 9 | 17° – 36° |
| March | 47° | 28° | 4.2" | 5.3" | 11 | 31° – 47° |
| April | 60° | 38° | 4.0" | 1.4" | 10 | 45° – 53° |
| May | 70° | 48° | 3.9" | 0.0" | 11 | 55° – 64° |
| June | 78° | 57° | 4.7" | 0.0" | 11 | 65° – 70° |
| July | 83° | 62° | 4.3" | 0.0" | 9 | 68° – 76° |
| August | 81° | 60° | 4.4" | 0.0" | 9 | 67° – 74° |
| September | 74° | 54° | 4.5" | 0.0" | 8 | 61° – 68° |
| October | 63° | 42° | 4.6" | 0.0" | 8 | 49° – 59° |
| November | 51° | 33° | 3.6" | 0.2" | 8 | 38° – 47° |
| December | 41° | 25° | 4.4" | 3.9" | 11 | 26° – 43° |
| Year | 60° | 41° | 48.9" | 28.1" | 115 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 17° to 36°. June is the most reliable, staying within 5°.
Where Macopin’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Macopin’s center.
- Snow: Oak Ridge Reservoir, NJ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Charlotteburg Reservoir, NJ, 2.4 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Macopin’s climate
What is the weather like in Macopin?
A typical July afternoon reaches 83°, a January night drops to 19°, and about 28 inches of snow falls in a normal winter. Colder January nights than 63% of U.S. towns; cooler July afternoons than 73% of U.S. towns.
How cold does it get in Macopin in winter?
January nights average 19°. About 138 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How much snow does Macopin get?
About 28 inches in a normal winter at Oak Ridge Reservoir, NJ, most of it in January.
How hot does it get in Macopin?
July, with a typical high of 83° and a low of 62°. About 10 days a year reach 90° (Charlotteburg Reservoir, NJ).
When is the first and last frost in Macopin?
In half of years the last spring frost (32°) comes by April 25 and the first fall frost by October 17, about 174 frost-free days, at Charlotteburg Reservoir, NJ.
What growing zone is Macopin in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −2°.
What is the best time of year to visit Macopin?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Macopin getting warmer?
Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Macopin.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.