Jackson, Ohio climate: Normal weather by month, frost dates and records
Jackson's normal year runs from 21°F January nights to 82°F July afternoons, with 45.1 inches of precipitation and 21 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.8°C, January lows of −6°C, July highs of 28°C, 1,145 mm of precipitation a year.
- NOAA stationJackson (3 mi NW)
- Station IDUSC00334004
- Location39.08°N 82.71°W
- Elevation845 ft (258 m)
- From the center4 miles
- Population6,226
On October 23, the normal high in Jackson is 61°F and the normal low 39°F, and the chance of measurable rain or snow is 33%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Jackson.
- Jan 37° 21°
- Feb 41° 23°
- Mar 51° 30°
- Apr 64° 40°
- May 72° 50°
- Jun 79° 58°
- Jul 82° 62°
- Aug 81° 61°
- Sep 75° 54°
- Oct 63° 42°
- Nov 52° 32°
- Dec 41° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Jackson each month?
July is the warmest month, with normal highs of 82°F; January the coldest, with normal lows of 21°F. The most precipitation falls in July (4.65 in), the least in November (2.94 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 37°F | 21°F | 28.9°F | 3.26 | 7.0 | 12 | <1 | 26 | 9 h 40 min |
| February | 41°F | 23°F | 31.8°F | 3.37 | 5.9 | 12 | <1 | 23 | 10 h 40 min |
| March | 51°F | 30°F | 40.6°F | 4.15 | 3.0 | 12 | <1 | 19 | 11 h 50 min |
| April | 64°F | 40°F | 52.2°F | 4.07 | 0.2 | 12 | <1 | 6 | 13 h 10 min |
| May | 72°F | 50°F | 60.7°F | 4.42 | 0.0 | 13 | 1 | 1 | 14 h 20 min |
| June | 79°F | 58°F | 68.3°F | 4.53 | 0.0 | 12 | 2 | <1 | 14 h 50 min |
| July | 82°F | 62°F | 71.9°F | 4.65 | 0.0 | 11 | 4 | <1 | 14 h 40 min |
| August | 81°F | 61°F | 70.6°F | 3.59 | 0.0 | 10 | 3 | <1 | 13 h 40 min |
| September | 75°F | 54°F | 64.3°F | 3.48 | 0.0 | 9 | 1 | <1 | 12 h 30 min |
| October | 63°F | 42°F | 52.8°F | 2.99 | 0.1 | 10 | <1 | 4 | 11 h 10 min |
| November | 52°F | 32°F | 42.1°F | 2.94 | 0.9 | 10 | <1 | 16 | 10 h |
| December | 41°F | 26°F | 33.6°F | 3.61 | 3.6 | 12 | <1 | 24 | 9 h 30 min |
| Year (annual) | 61°F | 42°F | 51.5°F | 45.06 | 20.7 | 134 | 11 | 118 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 3°C | −6°C | −1.7°C | 83 mm | 18 cm |
| February | 5°C | −5°C | −0.1°C | 86 mm | 15 cm |
| March | 11°C | −1°C | 4.8°C | 105 mm | 8 cm |
| April | 18°C | 5°C | 11.2°C | 103 mm | 1 cm |
| May | 22°C | 10°C | 15.9°C | 112 mm | 0 cm |
| June | 26°C | 14°C | 20.2°C | 115 mm | 0 cm |
| July | 28°C | 17°C | 22.2°C | 118 mm | 0 cm |
| August | 27°C | 16°C | 21.4°C | 91 mm | 0 cm |
| September | 24°C | 12°C | 17.9°C | 88 mm | 0 cm |
| October | 17°C | 6°C | 11.6°C | 76 mm | 0 cm |
| November | 11°C | 0°C | 5.6°C | 75 mm | 2 cm |
| December | 5°C | −3°C | 0.9°C | 92 mm | 9 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00334004; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Jackson?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, September has the fewest days with rain (9).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00334004.
When is the last frost in Jackson?
In Jackson, the last spring frost (32°F) comes after April 22 in half of years and after May 11 in one year in ten; the first autumn frost comes before October 21 in half of years and before October 9 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 221 year in 10 after May 11; 9 in 10 after April 7
- First autumn frost, half of years before
- October 211 year in 10 before October 9; 9 in 10 before November 1
NOAA puts the median frost-free season at 181 days, and the season without a hard freeze (28°F) at 205 days.
A hard freeze (28°F) comes after April 9 in half of springs and before November 1 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Jackson in zone 6b in ZIP code 45640, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Jackson's NOAA station is in zone 7a: the coldest night of a typical year reaches 0°F (19 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.
Frost dates for every NOAA station in Ohio · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00334004; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Jackson?
In a normal year in Jackson, 11 days a year reach 90°F, 118 nights fall to 32°F or colder and 134 days bring measurable precipitation.
- Days at 90°F or more
- 11a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 118a normal year
- Days that stay below freezing
- 26high of 32°F or less
- Days with 0.01 inch of precipitation
- 134a normal year
- Days with 1 inch of snow or more
- 8a normal year
The highest temperature in this station's record (since 1914) is 104°F, on July 12, 1914; the lowest is −31°F, on January 29, 1963.
The wettest calendar year on that record is 1948, with 57.19 in; the snowiest season is 1950–51, with 50.5 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00334004; records: ACIS (NOAA Regional Climate Centers), station USC00334004. Records use complete months only; a month missing more than three days is left out.
How sunny is Jackson?
Over a year 71% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Jackson, 3.9 kWh per square metre a day. August is the sunniest month (80%) and December the cloudiest (56%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 57% | 1.7 |
| February | 60% | 2.5 |
| March | 64% | 3.6 |
| April | 70% | 4.8 |
| May | 72% | 5.5 |
| June | 77% | 6.1 |
| July | 78% | 5.9 |
| August | 80% | 5.5 |
| September | 79% | 4.5 |
| October | 71% | 3.1 |
| November | 69% | 2.2 |
| December | 56% | 1.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Jackson need?
A normal year in Jackson brings 5,565 heating degree days, 4% more than the median U.S. place (5,373), and 676 cooling degree days, 26% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,055 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,119 | 0 |
| February | 930 | 0 |
| March | 757 | 2 |
| April | 393 | 11 |
| May | 179 | 46 |
| June | 32 | 133 |
| July | 5 | 221 |
| August | 10 | 185 |
| September | 94 | 71 |
| October | 386 | 8 |
| November | 689 | 0 |
| December | 972 | 0 |
| Year (annual) | 5,565 | 676 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00334004. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Jackson been warmer than normal lately?
2025 averaged 52.8°F, 1.3°F above the 1991-2020 normal of 51.5°F. 3 of the 3 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 52.8°F | +1.3°F | 42.02 | 14.3 |
| 2023 | 53.7°F | +2.2°F | 35.62 | 1.0 |
| 2025 | 52.8°F | +1.3°F | 41.86 | 34.1 |
Over 71 complete years from 1915 to 2025, the station's annual mean temperature rose at a fitted 2.7°F per century (+0.15°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00334004; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Jackson's climate compare?
Jackson is warmer than 50 of the other 98 places with their own NOAA record in Ohio, and wetter than 82. Across the 7,247 U.S. stations with normals, its annual mean of 51.5°F is warmer than 47%.
In the Köppen classification computed from these normals, Jackson is Dfa: continental, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Jackson share this climate record?
5 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Wellston, OH5,493 people · 9 mi E
- Hamden, OH717 people · 11 mi NE
- Richmond Dale, OH600 people · 10 mi NW
- Coalton, OH444 people · 6 mi NE
- Beaver, OH438 people · 7 mi SW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Jackson's climate
What is the coldest month in Jackson?
January, with a normal high of 37°F and a normal low of 21°F. The warmest is July (82°F by day, 62°F at night).
Does it snow in Jackson?
Yes: 21 inches in a normal year, falling on 16 days with 0.1 inch or more, the most in January (7.0 inches).
What is the rainiest month in Jackson?
July, with 4.65 in of precipitation in a normal year; the driest is November with 2.94 in.
What plant hardiness zone is Jackson in?
The USDA's 2023 map puts Jackson in zone 6b in ZIP code 45640, the nearest ZIP area. By the same method at Jackson's NOAA station, the coldest night of a typical year reaches 0°F (19 years, 1991-2020): zone 7a.
How late can frost come in Jackson?
In half of years the last 32°F night comes after April 22; in one year in ten it comes after May 11. Waiting until May 11 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Ohio climateThe statewide normals and every place in the state
- Waverly, OH15 miles from this station, 53.9°F a year
- Lucasville, OH21 miles from this station, 54.0°F a year
- Portsmouth, OH24 miles from this station, 54.9°F a year
- Chillicothe, OH26 miles from this station, 53.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made