Photo: Nyttend · Public domainIn Jacksonburg, July heat, January chill and rainfall all sit near the middle of U.S. towns
Deep winter brings January lows near 21°. Temperatures cover 64° across the year, low to high. Homes need heating from November to March, the months averaging under 50°.
A year in Jacksonburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Jacksonburg’s climate
Compared with towns across the U.S., with Jacksonburg’s place in Ohio beside it.
What a year in Jacksonburg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 178 frost-free days a year
In half of years the last 32° night comes by April 24 and the first by October 19. Frost and day counts come from NOAA’s station at Franklin, OH, 10 miles from the town’s center, 260 ft lower.
The 2023 USDA map puts Jacksonburg’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. 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 10 inches of snow a winter
Snow, measured at Middletown, OH, falls mostly in January. Precipitation (rain plus melted snow) adds up to 43 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 117 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Jacksonburg
85% of the work is heating. 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 Franklin, OH.
Living with Jacksonburg’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
178 frost-free days in zone 6b. The last frost comes by Apr 24 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 19.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Jacksonburg from natural hazards, river flooding is the largest share (45%); heat waves, cold waves, winter storms and ice storms together are 20%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Jacksonburg and similar climates
TownRatings has no climate map of the towns around Jacksonburg yet.
Climates most like Jacksonburg’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 |
|---|---|---|---|---|
| Jacksonburg, OH | 21° | 85° | 43" | 9.7" |
| Vienna, WV | 23° | 85° | 44" | 11" |
| Mattoon, IL | 20° | 86° | 41" | 15" |
| Terre Haute, IN | 21° | 87° | 43" | 15" |
| Waynesboro, VA | 25° | 85° | 43" | 11" |
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 Jacksonburg averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.5°).
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 Jacksonburg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Jacksonburg’s place among Ohio’s.
Jacksonburg weather by month
Highs, lows and precipitation from NOAA’s grid at Jacksonburg’s center; snow, wet days and snow on the ground from Middletown, OH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 37° | 21° | 3.1" | 4.7" | 11 | 6 | 20° – 40° |
| February | 41° | 24° | 2.5" | 1.9" | 9 | 3 | 20° – 42° |
| March | 52° | 32° | 3.6" | 1.5" | 10 | 1 | 35° – 54° |
| April | 64° | 42° | 4.5" | 0.0" | 12 | 0 | 47° – 59° |
| May | 74° | 52° | 4.6" | 0.0" | 12 | 0 | 57° – 71° |
| June | 82° | 61° | 4.7" | 0.0" | 12 | 0 | 67° – 75° |
| July | 85° | 64° | 4.0" | 0.0" | 10 | 0 | 70° – 80° |
| August | 85° | 63° | 3.3" | 0.0" | 7 | 0 | 69° – 79° |
| September | 78° | 55° | 3.1" | 0.0" | 7 | 0 | 63° – 72° |
| October | 66° | 43° | 3.1" | 0.0" | 8 | 0 | 51° – 61° |
| November | 52° | 34° | 3.0" | 0.2" | 9 | 0 | 37° – 49° |
| December | 42° | 26° | 3.3" | 1.4" | 10 | 3 | 22° – 44° |
| Year | 63° | 43° | 42.8" | 9.7" | 117 | 12 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 22° to 44°. June is the most reliable, staying within 8°.
Where Jacksonburg’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 Jacksonburg’s center.
- Snow: Middletown, OH.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Franklin, OH, 10 miles from the town’s center, 260 ft lower; 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 Jacksonburg’s climate
What is the weather like in Jacksonburg?
A typical July afternoon reaches 85°, a January night drops to 21°, and about 10 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; hotter July afternoons than 52% of U.S. towns.
How cold does it get in Jacksonburg in winter?
January nights average 21°. About 120 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.
How much snow does Jacksonburg get?
About 9.7 inches in a normal winter at Middletown, OH, most of it in January, with snow on the ground about 12 days a year.
How hot does it get in Jacksonburg?
July, with a typical high of 85° and a low of 64°. About 22 days a year reach 90° (Franklin, OH).
When is the first and last frost in Jacksonburg?
In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 19, about 178 frost-free days, at Franklin, OH.
What growing zone is Jacksonburg in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.
What is the best time of year to visit Jacksonburg?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Jacksonburg 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 Jacksonburg.
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.