Photo: Roseohioresident · CC BY-SA 4.0Afternoon heat in Summitville trails that of 77% of U.S. towns
The depth of winter brings overnight lows near 20°. Only 63° separates winter nights from summer afternoons. Its January nights bite harder than in 60% of U.S. towns. Long walks are most pleasant from May to October, when afternoons reach 63–82°.
A year in Summitville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Summitville’s climate
Compared with towns across the U.S., with Summitville’s place in Ohio beside it.
What a year in Summitville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 165 frost-free days a year
In half of years the last 32° night comes by May 2 and the first by October 13. Frost and day counts come from NOAA’s station at Millport 4 Ne, OH, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Summitville’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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 42 inches of rain a year
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Summitville
91% 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 Millport 4 Ne, OH.
Living with Summitville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
165 frost-free days in zone 6a. 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 13.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Summitville from natural hazards, river flooding is the largest share (83%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Summitville and similar climates
TownRatings has no climate map of the towns around Summitville yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Summitville averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.7°).
A bigger shift than in 61% 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 Summitville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Summitville’s place among Ohio’s.
Summitville weather by month
Highs, lows and precipitation from NOAA’s grid at Summitville’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 35° | 20° | 2.9" | 19° – 37° |
| February | 38° | 22° | 2.4" | 16° – 38° |
| March | 48° | 29° | 3.2" | 32° – 50° |
| April | 61° | 38° | 3.7" | 44° – 54° |
| May | 71° | 48° | 4.2" | 52° – 66° |
| June | 79° | 57° | 4.6" | 64° – 71° |
| July | 82° | 61° | 4.2" | 67° – 76° |
| August | 81° | 60° | 3.7" | 66° – 75° |
| September | 75° | 53° | 3.8" | 61° – 68° |
| October | 63° | 42° | 3.2" | 48° – 59° |
| November | 50° | 33° | 2.8" | 35° – 48° |
| December | 40° | 25° | 2.9" | 21° – 44° |
| Year | 60° | 40° | 41.5" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 21° to 44°. June is the most reliable, staying within 7°.
Where Summitville’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 Summitville’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Millport 4 Ne, OH, 7 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 Summitville’s climate
What is the weather like in Summitville?
A typical July afternoon reaches 82°, a January night drops to 20°. Colder January nights than 60% of U.S. towns; cooler July afternoons than 77% of U.S. towns.
How cold does it get in Summitville in winter?
January nights average 20°. About 139 nights a year reach 32° or below and 6 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.
How hot does it get in Summitville?
July, with a typical high of 82° and a low of 61°. About 15 days a year reach 90° (Millport 4 Ne, OH).
When is the first and last frost in Summitville?
In half of years the last spring frost (32°) comes by May 2 and the first fall frost by October 13, about 165 frost-free days, at Millport 4 Ne, OH.
What growing zone is Summitville in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Summitville?
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 Summitville getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 61% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Summitville.
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.