Photo: Jakec · CC BY-SA 4.0Summers in North Union Township are cooler than in 83% of U.S. towns
In January the night’s low is typically 18°. A year here swings 64° from midwinter lows to midsummer highs. By precipitation alone, it ranks wetter than 72% of U.S. towns. The heating season runs November to April: each of those months averages under 50°.
A year in North Union Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about North Union Township’s climate
Compared with towns across the U.S., with North Union Township’s place in Pennsylvania beside it.
What a year in North Union Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 172 frost-free days a year
In half of years the last 32° night comes by April 27 and the first by October 20. Frost and day counts come from NOAA’s station at Bear Gap, PA, 17 miles from the town’s center, 100 ft lower.
The 2023 USDA map puts North Union Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −3°. 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 48 inches of snow a winter
Snow, measured at Mahanoy City 2 N, PA, is heaviest from January through February, about 13 inches a month. Precipitation (rain plus melted snow) adds up to 47 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 140 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in North Union Township
90% 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 Bear Gap, PA.
Living with North Union Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
172 frost-free days in zone 6b. The last frost comes by Apr 27 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 20.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 2.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in North Union Township from natural hazards, river flooding is the largest share (63%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.
Natural hazards →North Union Township and its neighbors
East Union Township has the coldest January nights next door (17°, 1° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like North Union Township’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 |
|---|---|---|---|---|
| North Union Township, PA | 18° | 82° | 47" | 48" |
| Topsfield, MA | 18° | 82° | 47" | 48" |
| Ellington, CT | 18° | 83° | 48" | 52" |
| Burrillville, RI | 18° | 82° | 50" | 48" |
| Exeter, NH | 16° | 82° | 47" | 57" |
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 North Union Township averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.1°).
A bigger shift than in 51% 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 North Union Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with North Union Township’s place among Pennsylvania’s.
North Union Township weather by month
Highs, lows and precipitation from NOAA’s grid at North Union Township’s center; snow, wet days and snow on the ground from Mahanoy City 2 N, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 34° | 18° | 3.3" | 12.3" | 13 | 18 | 16° – 34° |
| February | 37° | 19° | 2.5" | 12.7" | 11 | 16 | 15° – 35° |
| March | 46° | 26° | 3.6" | 9.2" | 11 | 10 | 29° – 46° |
| April | 59° | 36° | 4.1" | 2.1" | 12 | 1 | 43° – 52° |
| May | 69° | 46° | 4.2" | 0.0" | 14 | 0 | 53° – 63° |
| June | 77° | 56° | 4.5" | 0.0" | 13 | 0 | 63° – 69° |
| July | 82° | 61° | 4.7" | 0.0" | 11 | 0 | 67° – 75° |
| August | 80° | 59° | 4.3" | 0.0" | 11 | 0 | 65° – 72° |
| September | 73° | 51° | 4.8" | 0.0" | 10 | 0 | 59° – 66° |
| October | 61° | 40° | 4.2" | 0.5" | 12 | 0 | 45° – 58° |
| November | 49° | 31° | 3.5" | 2.2" | 10 | 2 | 35° – 45° |
| December | 38° | 24° | 3.6" | 9.0" | 12 | 11 | 23° – 42° |
| Year | 59° | 39° | 47.3" | 48.0" | 140 | 59 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 15° to 35°. June is the most reliable, staying within 6°.
Where North Union Township’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 North Union Township’s center.
- Snow: Mahanoy City 2 N, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Bear Gap, PA, 17 miles from the town’s center, 100 ft lower; 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 North Union Township’s climate
What is the weather like in North Union Township?
A typical July afternoon reaches 82°, a January night drops to 18°, and about 48 inches of snow falls in a normal winter. Colder January nights than 70% of U.S. towns; cooler July afternoons than 83% of U.S. towns.
How cold does it get in North Union Township in winter?
January nights average 18°. About 127 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.
How much snow does North Union Township get?
About 48 inches in a normal winter at Mahanoy City 2 N, PA, heaviest from January through February, about 13 inches a month, with snow on the ground about 59 days a year.
How hot does it get in North Union Township?
July, with a typical high of 82° and a low of 61°. About 10 days a year reach 90° (Bear Gap, PA).
When is the first and last frost in North Union Township?
In half of years the last spring frost (32°) comes by April 27 and the first fall frost by October 20, about 172 frost-free days, at Bear Gap, PA.
What growing zone is North Union Township in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −3°.
What is the best time of year to visit North Union Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is North Union Township getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 51% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in North Union Township.
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.