McConnell House · Photo: Smallbones · CC0No extremes in McConnellsburg: its weather tracks the middle of U.S. towns
Sunny July days climb to about 84°. Compared with 1901–2000, the average now sits 1.4° higher. Garden chairs stay out from May to June and August to October, the months with highs of 64–83°.
A year in McConnellsburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about McConnellsburg’s climate
Compared with towns across the U.S., with McConnellsburg’s place in Pennsylvania beside it.
What a year in McConnellsburg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 188 frost-free days a year
In half of years the last 32° night comes by April 18 and the first by October 25. Frost and day counts come from NOAA’s station at Chambersburg 1 Ese, PA, 19 miles from the town’s center, 290 ft lower.
The 2023 USDA map puts McConnellsburg’s center in zone 7a: 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 27 inches of snow a winter
Snow, measured at Everett, PA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 43 inches a year; May is the wettest month and February the driest. Rain or snow falls on about 135 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in McConnellsburg
85% 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 Chambersburg 1 Ese, PA.
Living with McConnellsburg’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
188 frost-free days in zone 7a. The last frost comes by Apr 18 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 25.
Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in McConnellsburg from natural hazards, river flooding is the largest share (67%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →McConnellsburg and its neighbors
Ayr Township the hottest July afternoons (86°, 2° 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 McConnellsburg’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 |
|---|---|---|---|---|
| McConnellsburg, PA | 21° | 84° | 43" | 27" |
| Reynoldsburg, OH | 21° | 84° | 43" | 28" |
| Speedway, IN | 20° | 85° | 43" | 26" |
| New Martinsville, WV | 22° | 85° | 46" | 27" |
| Melville, NY | 24° | 84° | 45" | 32" |
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 McConnellsburg averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.5°).
A bigger shift than in 54% 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 McConnellsburg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with McConnellsburg’s place among Pennsylvania’s.
McConnellsburg weather by month
Highs, lows and precipitation from NOAA’s grid at McConnellsburg’s center; snow, wet days and snow on the ground from Everett, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 38° | 21° | 2.9" | 6.7" | 11 | 11 | 20° – 38° |
| February | 42° | 23° | 2.4" | 8.4" | 10 | 11 | 21° – 40° |
| March | 50° | 30° | 3.6" | 4.2" | 11 | 5 | 34° – 50° |
| April | 63° | 39° | 3.7" | 0.2" | 13 | 0 | 47° – 56° |
| May | 73° | 49° | 4.2" | 0.0" | 14 | 0 | 56° – 67° |
| June | 81° | 58° | 4.1" | 0.0" | 13 | 0 | 65° – 72° |
| July | 84° | 62° | 4.0" | 0.0" | 12 | 0 | 68° – 77° |
| August | 83° | 60° | 3.6" | 0.0" | 11 | 0 | 68° – 75° |
| September | 76° | 53° | 4.1" | 0.0" | 10 | 0 | 62° – 69° |
| October | 64° | 42° | 3.5" | 0.0" | 10 | 0 | 50° – 60° |
| November | 52° | 33° | 3.3" | 1.1" | 9 | 1 | 37° – 48° |
| December | 42° | 25° | 3.3" | 6.4" | 11 | 6 | 24° – 43° |
| Year | 62° | 41° | 42.6" | 27.0" | 135 | 34 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 21° to 40°. June is the most reliable, staying within 7°.
Where McConnellsburg’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 McConnellsburg’s center.
- Snow: Everett, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Chambersburg 1 Ese, PA, 19 miles from the town’s center, 290 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 McConnellsburg’s climate
What is the weather like in McConnellsburg?
A typical July afternoon reaches 84°, a January night drops to 21°, and about 27 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; cooler July afternoons than 56% of U.S. towns.
How cold does it get in McConnellsburg in winter?
January nights average 21°. About 109 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does McConnellsburg get?
About 27 inches in a normal winter at Everett, PA, most of it in February, with snow on the ground about 34 days a year.
How hot does it get in McConnellsburg?
July, with a typical high of 84° and a low of 62°. About 19 days a year reach 90° (Chambersburg 1 Ese, PA).
When is the first and last frost in McConnellsburg?
In half of years the last spring frost (32°) comes by April 18 and the first fall frost by October 25, about 188 frost-free days, at Chambersburg 1 Ese, PA.
What growing zone is McConnellsburg in?
Zone 7a 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 McConnellsburg?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is McConnellsburg getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in McConnellsburg.
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.