Photo: User:Ruhrfisch · CC BY-SA 3.0Summit Township has some of the coolest summers among U.S. towns
On a normal January night the air cools to about 14°. Only 64° separates winter nights from summer afternoons. Winter nights are cold: in January they are colder than in 86% of U.S. towns. Tender plants can go out after about May 14; in half of years the first frost comes by October 4.
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 143 frost-free days a year
In half of years the last 32° night comes by May 14 and the first by October 4. Frost and day counts come from NOAA’s station at Coudersport 7se, PA, 5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Summit Township’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −12°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 78 inches of snow a winter
Snow, measured at Coudersport 7se, PA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 45 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 172 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
97% 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 Coudersport 7se, PA.
Living with Summit Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
143 frost-free days in zone 5b. The last frost comes by May 14 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 4.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 66 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 (90%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Summit Township and its neighbors
Sylvania Township the hottest July afternoons (81°, 3° 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 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 | 14° | 79° | 45" | 78" |
| Delhi, NY | 13° | 79° | 46" | 71" |
| Yarmouth, ME | 14° | 78° | 49" | 84" |
| Jaffrey, NH | 13° | 80° | 47" | 73" |
| Dalton, MA | 13° | 80° | 48" | 77" |
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 0.7° warmer than the 1900s. The biggest change is in December (+2.2°).
A smaller shift than in 94% 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 Coudersport 7se, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 30° | 14° | 3.2" | 18.3" | 16 | 23 | 14° – 31° |
| February | 34° | 15° | 2.5" | 20.4" | 15 | 23 | 11° – 33° |
| March | 43° | 22° | 3.2" | 10.1" | 15 | 15 | 25° – 44° |
| April | 56° | 32° | 3.7" | 4.9" | 15 | 2 | 38° – 49° |
| May | 68° | 42° | 4.1" | 0.1" | 15 | 0 | 49° – 61° |
| June | 75° | 51° | 4.4" | 0.0" | 14 | 0 | 60° – 66° |
| July | 79° | 55° | 4.5" | 0.0" | 13 | 0 | 62° – 71° |
| August | 77° | 54° | 3.8" | 0.0" | 12 | 0 | 62° – 69° |
| September | 70° | 48° | 4.4" | 0.0" | 11 | 0 | 57° – 62° |
| October | 58° | 37° | 3.9" | 1.2" | 16 | 1 | 43° – 55° |
| November | 45° | 28° | 3.4" | 5.5" | 14 | 5 | 32° – 42° |
| December | 35° | 20° | 3.4" | 17.5" | 17 | 17 | 19° – 37° |
| Year | 56° | 35° | 44.5" | 78.0" | 172 | 85 |
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 33°. September is the most reliable, staying within 5°.
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: Coudersport 7se, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Coudersport 7se, PA, 5 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 Summit Township’s climate
What is the weather like in Summit Township?
A typical July afternoon reaches 79°, a January night drops to 14°, and about 78 inches of snow falls in a normal winter. Colder January nights than 86% of U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Summit Township in winter?
January nights average 14°. About 162 nights a year reach 32° or below and 10 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does Summit Township get?
About 78 inches in a normal winter at Coudersport 7se, PA, most of it in February, with snow on the ground about 85 days a year.
How hot does it get in Summit Township?
July, with a typical high of 79°. 90° days are rare: none in a normal year at Coudersport 7se, PA.
When is the first and last frost in Summit Township?
In half of years the last spring frost (32°) comes by May 14 and the first fall frost by October 4, about 143 frost-free days, at Coudersport 7se, PA.
What growing zone is Summit Township in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −12°.
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 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 94% 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.