Photo: Lee Paxton · CC BY-SA 4.0Neither notably warm, cold, wet nor dry, South Park Township sits near the middle of U.S. towns
Nights in January average 22°. June is the wettest month, February the driest. Its July afternoons stay fresher than in 66% of U.S. towns. Tender plants can go out after about May 2; in half of years the first frost comes by October 20.
A year in South Park Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about South Park Township’s climate
Compared with towns across the U.S., with South Park Township’s place in Pennsylvania beside it.
What a year in South Park Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 170 frost-free days a year
In half of years the last 32° night comes by May 2 and the first by October 20. Frost and day counts come from NOAA’s station at Mckeesport, PA, 8 miles from the town’s center, 330 ft lower.
The 2023 USDA map puts South Park Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −1°. 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 21 inches of snow a winter
Snow, measured at Donora 1 Sw, PA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 41 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 147 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in South Park Township
88% 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 Mckeesport, PA.
Living with South Park Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
170 frost-free days in zone 6b. The last frost comes by May 2 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, September and October. 32 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in South Park Township from natural hazards, river flooding is the largest share (79%); heat waves, cold waves, winter storms and ice storms together are 14%. Normals are averages; the hazards page covers the extremes.
Natural hazards →South Park Township and its neighbors
Every town next door is within a degree of South Park Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like South Park 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 |
|---|---|---|---|---|
| South Park Township, PA | 22° | 83° | 41" | 21" |
| Northridge, OH | 20° | 84° | 42" | 19" |
| Wytheville, VA | 24° | 83° | 42" | 18" |
| Alexandria, IN | 20° | 84° | 43" | 21" |
| Princeton, WV | 23° | 82° | 41" | 24" |
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 South Park Township averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.3°).
A smaller shift than in 71% 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 South Park Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with South Park Township’s place among Pennsylvania’s.
South Park Township weather by month
Highs, lows and precipitation from NOAA’s grid at South Park Township’s center; snow, wet days and snow on the ground from Donora 1 Sw, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 37° | 22° | 3.0" | 5.7" | 15 | 9 | 21° – 39° |
| February | 41° | 24° | 2.6" | 7.2" | 12 | 7 | 19° – 41° |
| March | 50° | 31° | 3.3" | 4.6" | 13 | 3 | 34° – 51° |
| April | 63° | 40° | 3.5" | 0.1" | 14 | 0 | 46° – 56° |
| May | 72° | 49° | 4.0" | 0.0" | 14 | 0 | 54° – 68° |
| June | 80° | 58° | 4.4" | 0.0" | 13 | 0 | 65° – 71° |
| July | 83° | 62° | 4.3" | 0.0" | 11 | 0 | 69° – 77° |
| August | 82° | 61° | 3.8" | 0.0" | 10 | 0 | 67° – 77° |
| September | 76° | 54° | 3.5" | 0.0" | 10 | 0 | 61° – 69° |
| October | 64° | 43° | 3.0" | 0.0" | 12 | 0 | 50° – 60° |
| November | 52° | 34° | 2.9" | 0.5" | 12 | 1 | 37° – 48° |
| December | 42° | 27° | 3.2" | 3.3" | 13 | 5 | 24° – 45° |
| Year | 62° | 42° | 41.4" | 21.4" | 147 | 24 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 19° to 41°. June is the most reliable, staying within 6°.
Where South Park 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 South Park Township’s center.
- Snow: Donora 1 Sw, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Mckeesport, PA, 8 miles from the town’s center, 330 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 South Park Township’s climate
What is the weather like in South Park Township?
A typical July afternoon reaches 83°, a January night drops to 22°, and about 21 inches of snow falls in a normal winter. Colder January nights than 51% of U.S. towns; cooler July afternoons than 66% of U.S. towns.
How cold does it get in South Park Township in winter?
January nights average 22°. About 124 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does South Park Township get?
About 21 inches in a normal winter at Donora 1 Sw, PA, most of it in February, with snow on the ground about 24 days a year.
How hot does it get in South Park Township?
July, with a typical high of 83° and a low of 62°. About 14 days a year reach 90° (Mckeesport, PA).
When is the first and last frost in South Park Township?
In half of years the last spring frost (32°) comes by May 2 and the first fall frost by October 20, about 170 frost-free days, at Mckeesport, PA.
What growing zone is South Park Township in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −1°.
What is the best time of year to visit South Park Township?
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 South Park Township getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in South Park 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.