Photo: Nyttend · Public domainSummit Township gets about 104 inches of snow a winter, more than 98% of U.S. towns
Expect July afternoons of about 80°. In July, afternoons here are cooler than in 91% of U.S. towns. Since 1901–2000, the year has warmed by 1.5°, most of all in February. The heating season runs November to April: each of those months averages under 50°.
A year in Summit Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Summit Township’s climate
Compared with towns across the U.S., with Summit Township’s place in Pennsylvania beside it.
What a year in Summit Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 155 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 10. Frost and day counts come from NOAA’s station at Union City Filtration Plant, PA, 14 miles from the town’s center, 140 ft higher.
The 2023 USDA map puts Summit Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −6°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 104 inches of snow a winter
Snow, measured at Erie International Airport, falls mostly in January. Precipitation (rain plus melted snow) adds up to 46 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 167 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Summit Township
94% 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 Union City Filtration Plant, PA.
Living with Summit Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
155 frost-free days in zone 6a. The last frost comes by May 7 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 10.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 6.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Summit Township from natural hazards, river flooding is the largest share (84%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Summit Township and its neighbors
Greene 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 Summit 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 |
|---|---|---|---|---|
| Summit Township, PA | 18° | 80° | 46" | 104" |
| Skaneateles, NY | 15° | 80° | 43" | 106" |
| Cumberland, ME | 13° | 80° | 49" | 84" |
| Lenox, MA | 14° | 81° | 46" | 77" |
| Frostburg, MD | 20° | 82° | 44" | 72" |
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 Summit Township averaged 1.5° warmer than the 1900s. The biggest change is in February (+2.5°).
A bigger shift than in 58% 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 Summit Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Summit Township’s place among Pennsylvania’s.
Summit Township weather by month
Highs, lows and precipitation from NOAA’s grid at Summit Township’s center; snow, wet days and snow on the ground from Erie International Airport. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 18° | 3.6" | 31.8" | 20 | 20 | 16° – 35° |
| February | 35° | 19° | 2.6" | 19.4" | 15 | 17 | 11° – 36° |
| March | 43° | 26° | 3.1" | 14.5" | 14 | 9 | 27° – 48° |
| April | 57° | 36° | 3.7" | 2.6" | 14 | 1 | 41° – 52° |
| May | 69° | 46° | 3.8" | 0.0" | 14 | 0 | 50° – 64° |
| June | 77° | 56° | 4.1" | 0.0" | 12 | 0 | 62° – 71° |
| July | 80° | 60° | 4.2" | 0.0" | 11 | 0 | 65° – 74° |
| August | 79° | 59° | 3.8" | 0.0" | 10 | 0 | 65° – 73° |
| September | 72° | 52° | 4.4" | 0.0" | 10 | 0 | 58° – 67° |
| October | 61° | 43° | 4.6" | 0.1" | 14 | 0 | 48° – 58° |
| November | 48° | 34° | 3.9" | 9.6" | 15 | 5 | 35° – 47° |
| December | 38° | 25° | 4.0" | 26.3" | 19 | 12 | 22° – 42° |
| Year | 57° | 39° | 45.7" | 104.3" | 167 | 63 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 36°. August is the most reliable, staying within 8°.
Where Summit 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 Summit Township’s center.
- Snow: Erie International Airport.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Union City Filtration Plant, PA, 14 miles from the town’s center, 140 ft higher; 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 Summit Township’s climate
What is the weather like in Summit Township?
A typical July afternoon reaches 80°, a January night drops to 18°, and about 104 inches of snow falls in a normal winter. Colder January nights than 69% of U.S. towns; cooler July afternoons than 91% of U.S. towns.
How cold does it get in Summit Township in winter?
January nights average 18°. About 150 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.
How much snow does Summit Township get?
About 104 inches in a normal winter at Erie International Airport, most of it in January, with snow on the ground about 63 days a year.
How hot does it get in Summit Township?
July, with a typical high of 80°. 90° days are rare: none in a normal year at Union City Filtration Plant, PA.
When is the first and last frost in Summit Township?
In half of years the last spring frost (32°) comes by May 7 and the first fall frost by October 10, about 155 frost-free days, at Union City Filtration Plant, PA.
What growing zone is Summit Township in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −6°.
What is the best time of year to visit Summit 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 Summit Township getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 58% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Summit 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.