Photo: Roseohioresident · CC BY-SA 4.0In Scio, July heat, January chill and rainfall all sit near the middle of U.S. towns
Midsummer highs settle at about 83°. Summers stay cool: July afternoons here are cooler than in 69% of U.S. towns. Compared with 1901–2000, the average now sits 1.3° higher. The outdoor season runs from May to October, with highs of 64–83°.
A year in Scio at a glance
Each month’s typical high and low, and what it brings.
What stands out about Scio’s climate
Compared with towns across the U.S., with Scio’s place in Ohio beside it.
What a year in Scio feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 186 frost-free days a year
In half of years the last 32° night comes by April 21 and the first by October 25. Frost and day counts come from NOAA’s station at Cadiz, OH, 10 miles from the town’s center, 220 ft higher.
The 2023 USDA map puts Scio’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. 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 26 inches of snow a winter
Snow, measured at Cadiz, OH, falls mostly in January. Precipitation (rain plus melted snow) adds up to 42 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 153 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Scio
89% 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 Cadiz, OH.
Living with Scio’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
186 frost-free days in zone 6b. The last frost comes by Apr 21 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, July, August, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Scio from natural hazards, river flooding is the largest share (65%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Scio and similar climates
TownRatings has no climate map of the towns around Scio yet.
Climates most like Scio’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 |
|---|---|---|---|---|
| Scio, OH | 20° | 83° | 42" | 26" |
| Winchester, IN | 19° | 84° | 41" | 25" |
| Sunbury, PA | 20° | 84° | 43" | 29" |
| Calumet City, IL | 18° | 84° | 39" | 28" |
| Kinderhook, NY | 16° | 84° | 42" | 31" |
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 Scio averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.8°).
A smaller shift than in 53% 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 Scio compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Scio’s place among Ohio’s.
Scio weather by month
Highs, lows and precipitation from NOAA’s grid at Scio’s center; snow, wet days and snow on the ground from Cadiz, OH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 36° | 20° | 3.0" | 7.9" | 16 | 12 | 20° – 38° |
| February | 39° | 22° | 2.6" | 5.8" | 13 | 9 | 17° – 40° |
| March | 49° | 29° | 3.3" | 5.1" | 13 | 4 | 33° – 51° |
| April | 62° | 38° | 3.8" | 0.4" | 15 | 0 | 45° – 56° |
| May | 72° | 48° | 4.1" | 0.0" | 14 | 0 | 53° – 67° |
| June | 80° | 57° | 4.6" | 0.0" | 13 | 0 | 64° – 71° |
| July | 83° | 61° | 4.1" | 0.0" | 12 | 0 | 68° – 76° |
| August | 82° | 60° | 3.7" | 0.0" | 10 | 0 | 66° – 76° |
| September | 76° | 53° | 3.5" | 0.0" | 10 | 0 | 61° – 69° |
| October | 64° | 42° | 3.1" | 0.1" | 10 | 0 | 49° – 59° |
| November | 51° | 33° | 3.0" | 1.3" | 13 | 2 | 35° – 48° |
| December | 40° | 26° | 3.0" | 5.2" | 15 | 6 | 22° – 44° |
| Year | 61° | 41° | 41.6" | 25.8" | 153 | 33 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 17° to 40°. June is the most reliable, staying within 7°.
Where Scio’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 Scio’s center.
- Snow: Cadiz, OH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Cadiz, OH, 10 miles from the town’s center, 220 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 Scio’s climate
What is the weather like in Scio?
A typical July afternoon reaches 83°, a January night drops to 20°, and about 26 inches of snow falls in a normal winter. Colder January nights than 58% of U.S. towns; cooler July afternoons than 69% of U.S. towns.
How cold does it get in Scio in winter?
January nights average 20°. About 121 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Scio get?
About 26 inches in a normal winter at Cadiz, OH, most of it in January, with snow on the ground about 33 days a year.
How hot does it get in Scio?
July, with a typical high of 83° and a low of 61°. About 6 days a year reach 90° (Cadiz, OH).
When is the first and last frost in Scio?
In half of years the last spring frost (32°) comes by April 21 and the first fall frost by October 25, about 186 frost-free days, at Cadiz, OH.
What growing zone is Scio in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Scio?
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 Scio getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 53% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Scio.
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.