A middle-of-the-road climate: Yorkville is close to most U.S. towns on every count
Midsummer highs settle at about 84°. A year here swings 62° from midwinter lows to midsummer highs. In July, afternoons here are cooler than in 60% of U.S. towns. Tender plants can go out after about April 18; in half of years the first frost comes by November 1.
A year in Yorkville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Yorkville’s climate
Compared with towns across the U.S., with Yorkville’s place in Ohio beside it.
What a year in Yorkville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 196 frost-free days a year
In half of years the last 32° night comes by April 18 and the first by November 1. Frost and day counts come from NOAA’s station at Pike Island(lock & Dam), WV, 0.5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Yorkville’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 15 inches of snow a winter
Snow, measured at Pike Island(lock & Dam), WV, 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 146 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Yorkville
86% 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 Pike Island(lock & Dam), WV.
Living with Yorkville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
196 frost-free days in zone 7a. The last frost comes by Apr 18 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 1.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Yorkville from natural hazards, river flooding is the largest share (91%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Yorkville and its neighbors
Every town next door is within a degree of Yorkville in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Yorkville’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 |
|---|---|---|---|---|
| Yorkville, OH | 22° | 84° | 42" | 15" |
| Fishers, IN | 20° | 84° | 43" | 18" |
| Pulaski, VA | 24° | 84° | 41" | 16" |
| Mattoon, IL | 20° | 86° | 41" | 15" |
| South Farmingdale, NY | 24° | 85° | 44" | 19" |
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 Yorkville averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.6°).
A smaller shift than in 67% 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 Yorkville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Yorkville’s place among Ohio’s.
Yorkville weather by month
Highs, lows and precipitation from NOAA’s grid at Yorkville’s center; snow, wet days and snow on the ground from Pike Island(lock & Dam), WV. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 38° | 22° | 3.2" | 5.3" | 15 | 7 | 21° – 40° |
| February | 41° | 24° | 2.6" | 4.4" | 13 | 5 | 20° – 41° |
| March | 51° | 31° | 3.4" | 2.6" | 13 | 1 | 35° – 52° |
| April | 64° | 40° | 3.6" | 0.1" | 14 | 0 | 46° – 56° |
| May | 73° | 49° | 4.2" | 0.0" | 14 | 0 | 54° – 68° |
| June | 81° | 58° | 4.5" | 0.0" | 12 | 0 | 65° – 72° |
| July | 84° | 62° | 4.0" | 0.0" | 11 | 0 | 69° – 77° |
| August | 83° | 61° | 3.7" | 0.0" | 10 | 0 | 68° – 76° |
| September | 77° | 54° | 3.6" | 0.0" | 9 | 0 | 62° – 70° |
| October | 65° | 43° | 3.0" | 0.0" | 10 | 0 | 51° – 60° |
| November | 53° | 34° | 2.9" | 0.2" | 11 | 0 | 36° – 48° |
| December | 42° | 27° | 3.1" | 2.6" | 14 | 4 | 24° – 45° |
| Year | 62° | 42° | 41.6" | 15.2" | 146 | 17 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 24° to 45°. June is the most reliable, staying within 7°.
Where Yorkville’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 Yorkville’s center.
- Snow: Pike Island(lock & Dam), WV (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Pike Island(lock & Dam), WV, 0.5 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 Yorkville’s climate
What is the weather like in Yorkville?
A typical July afternoon reaches 84°, a January night drops to 22°, and about 15 inches of snow falls in a normal winter. Colder January nights than 51% of U.S. towns; cooler July afternoons than 60% of U.S. towns.
How cold does it get in Yorkville in winter?
January nights average 22°. About 107 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does Yorkville get?
About 15 inches in a normal winter at Pike Island(lock & Dam), WV, most of it in January, with snow on the ground about 17 days a year.
How hot does it get in Yorkville?
July, with a typical high of 84° and a low of 62°. About 9 days a year reach 90° (Pike Island(lock & Dam), WV).
When is the first and last frost in Yorkville?
In half of years the last spring frost (32°) comes by April 18 and the first fall frost by November 1, about 196 frost-free days, at Pike Island(lock & Dam), WV.
What growing zone is Yorkville in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Yorkville?
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 Yorkville getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 67% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Yorkville.
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.