Photo: 636Buster · CC BY-SA 4.0A middle-of-the-road climate: South Canal is close to most U.S. towns on every count
Deep winter brings January lows near 19°. In July, afternoons here are cooler than in 70% of U.S. towns. Since 1901–2000, the year has warmed by 1.8°, most of all in December. Comfortable outdoor weather lasts from May to October, with highs of 63–83°.
A year in South Canal at a glance
Each month’s typical high and low, and what it brings.
What stands out about South Canal’s climate
Compared with towns across the U.S., with South Canal’s place in Ohio beside it.
What a year in South Canal 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 1 and the first by October 20. Frost and day counts come from NOAA’s station at Hiram, OH, 9 miles from the town’s center, 290 ft higher.
The 2023 USDA map puts South Canal’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 28 inches of snow a winter
Snow, measured at Warren 3 S, OH, falls mostly in January. 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 150 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in South Canal
93% 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 Hiram, OH.
Living with South Canal’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
170 frost-free days in zone 6a. The last frost comes by May 1 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.
Parks & trails →Of the yearly building losses FEMA expects in South Canal from natural hazards, river flooding is the largest share (71%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →South Canal and its neighbors
Every town next door is within a degree of South Canal in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like South Canal’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 Canal, OH | 19° | 83° | 41" | 28" |
| Winchester, IN | 19° | 84° | 41" | 25" |
| Calumet City, IL | 18° | 84° | 39" | 28" |
| Bloomsburg, PA | 19° | 84° | 43" | 29" |
| Ghent, NY | 16° | 84° | 42" | 31" |
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 Canal averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.4°).
A bigger shift than in 82% 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 Canal compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with South Canal’s place among Ohio’s.
South Canal weather by month
Highs, lows and precipitation from NOAA’s grid at South Canal’s center; snow, wet days and snow on the ground from Warren 3 S, OH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 35° | 19° | 2.9" | 9.6" | 16 | 11 | 18° – 37° |
| February | 38° | 20° | 2.3" | 6.4" | 11 | 9 | 14° – 38° |
| March | 47° | 27° | 3.0" | 4.4" | 12 | 3 | 29° – 50° |
| April | 61° | 37° | 3.8" | 0.2" | 14 | 0 | 43° – 54° |
| May | 71° | 47° | 3.8" | 0.0" | 14 | 0 | 52° – 66° |
| June | 79° | 56° | 4.2" | 0.0" | 12 | 0 | 63° – 71° |
| July | 83° | 60° | 4.2" | 0.0" | 11 | 0 | 67° – 75° |
| August | 82° | 59° | 3.6" | 0.0" | 10 | 0 | 66° – 75° |
| September | 75° | 52° | 3.7" | 0.0" | 11 | 0 | 60° – 68° |
| October | 63° | 41° | 3.3" | 0.0" | 13 | 0 | 48° – 59° |
| November | 50° | 32° | 2.8" | 0.8" | 12 | 1 | 35° – 47° |
| December | 40° | 25° | 2.9" | 6.5" | 13 | 7 | 22° – 43° |
| Year | 60° | 40° | 40.6" | 27.9" | 150 | 31 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 14° to 38°. September is the most reliable, staying within 8°.
Where South Canal’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 Canal’s center.
- Snow: Warren 3 S, OH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hiram, OH, 9 miles from the town’s center, 290 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 South Canal’s climate
What is the weather like in South Canal?
A typical July afternoon reaches 83°, a January night drops to 19°, and about 28 inches of snow falls in a normal winter. Colder January nights than 66% of U.S. towns; cooler July afternoons than 70% of U.S. towns.
How cold does it get in South Canal in winter?
January nights average 19°. About 138 nights a year reach 32° or below and 7 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How much snow does South Canal get?
About 28 inches in a normal winter at Warren 3 S, OH, most of it in January, with snow on the ground about 31 days a year.
How hot does it get in South Canal?
July, with a typical high of 83° and a low of 60°. About 4 days a year reach 90° (Hiram, OH).
When is the first and last frost in South Canal?
In half of years the last spring frost (32°) comes by May 1 and the first fall frost by October 20, about 170 frost-free days, at Hiram, OH.
What growing zone is South Canal 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 South Canal?
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 Canal getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in South Canal.
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.