Cincinnati-Fernbank, Ohio climate: Climate normals at a NOAA weather station
Cincinnati-Fernbank's normal year runs from 24°F January nights to 86°F July afternoons, with 47.5 inches of precipitation and 11 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 12.8°C, January lows of −4°C, July highs of 30°C, 1,206 mm of precipitation a year.
- NOAA stationCincinnati-Fernbank
- Station IDUSC00331550
- Location39.12°N 84.70°W
- Elevation500 ft (152 m)
On October 23, the normal high in Cincinnati-Fernbank is 65°F and the normal low 44°F, and the chance of measurable rain or snow is 24%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Cincinnati-Fernbank.
- Jan 40° 24°
- Feb 44° 26°
- Mar 54° 34°
- Apr 66° 43°
- May 75° 54°
- Jun 83° 62°
- Jul 86° 67°
- Aug 85° 65°
- Sep 79° 57°
- Oct 68° 46°
- Nov 55° 36°
- Dec 44° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Cincinnati-Fernbank each month?
July is the warmest month, with normal highs of 86°F; January the coldest, with normal lows of 24°F. The most precipitation falls in May (5.15 in), the least in February (3.12 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 40°F | 24°F | 32.1°F | 3.65 | 2.9 | 11 | <1 | 25 | 9 h 40 min |
| February | 44°F | 26°F | 35.0°F | 3.12 | 4.7 | 8 | <1 | 22 | 10 h 40 min |
| March | 54°F | 34°F | 43.7°F | 4.37 | 1.7 | 11 | <1 | 16 | 11 h 50 min |
| April | 66°F | 43°F | 54.4°F | 4.96 | 0.0 | 11 | <1 | 4 | 13 h 10 min |
| May | 75°F | 54°F | 64.2°F | 5.15 | 0.0 | 12 | <1 | <1 | 14 h 20 min |
| June | 83°F | 62°F | 72.5°F | 4.78 | 0.0 | 10 | 4 | <1 | 14 h 50 min |
| July | 86°F | 67°F | 76.1°F | 4.08 | 0.0 | 9 | 8 | <1 | 14 h 40 min |
| August | 85°F | 65°F | 75.0°F | 3.34 | 0.0 | 7 | 7 | <1 | 13 h 40 min |
| September | 79°F | 57°F | 68.4°F | 3.31 | 0.0 | 7 | 3 | <1 | 12 h 30 min |
| October | 68°F | 46°F | 56.7°F | 3.51 | 0.0 | 7 | <1 | 2 | 11 h 10 min |
| November | 55°F | 36°F | 45.7°F | 3.19 | 0.1 | 8 | <1 | 12 | 10 h |
| December | 44°F | 29°F | 36.7°F | 4.03 | 2.0 | 11 | <1 | 21 | 9 h 30 min |
| Year (annual) | 65°F | 45°F | 55.0°F | 47.49 | 11.4 | 110 | 22 | 101 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 4°C | −4°C | 0.1°C | 93 mm | 7 cm |
| February | 7°C | −3°C | 1.7°C | 79 mm | 12 cm |
| March | 12°C | 1°C | 6.5°C | 111 mm | 4 cm |
| April | 19°C | 6°C | 12.4°C | 126 mm | 0 cm |
| May | 24°C | 12°C | 17.9°C | 131 mm | 0 cm |
| June | 28°C | 17°C | 22.5°C | 121 mm | 0 cm |
| July | 30°C | 19°C | 24.5°C | 104 mm | 0 cm |
| August | 29°C | 18°C | 23.9°C | 85 mm | 0 cm |
| September | 26°C | 14°C | 20.2°C | 84 mm | 0 cm |
| October | 20°C | 8°C | 13.7°C | 89 mm | 0 cm |
| November | 13°C | 2°C | 7.6°C | 81 mm | 0 cm |
| December | 7°C | −1°C | 2.6°C | 102 mm | 5 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00331550; 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.
Which months are mildest at Cincinnati-Fernbank?
Normal highs sit between 65°F and 85°F in April, May, June, August, September and October. Of those, September has the fewest days with rain (7).
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 USC00331550.
When is the last frost at Cincinnati-Fernbank?
In Cincinnati-Fernbank, the last spring frost (32°F) comes after April 13 in half of years and after May 2 in one year in ten; the first autumn frost comes before October 31 in half of years and before October 17 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 131 year in 10 after May 2; 9 in 10 after March 31
- First autumn frost, half of years before
- October 311 year in 10 before October 17; 9 in 10 before November 13
NOAA puts the median frost-free season at 197 days, and the season without a hard freeze (28°F) at 225 days.
A hard freeze (28°F) comes after March 31 in half of springs and before November 10 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Cincinnati-Fernbank in zone 6b in ZIP code 45233, the nearest ZIP area.
Frost dates for every NOAA station in Ohio · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00331550; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 at Cincinnati-Fernbank?
In a normal year in Cincinnati-Fernbank, 22 days a year reach 90°F, 101 nights fall to 32°F or colder and 110 days bring measurable precipitation.
- Days at 90°F or more
- 22a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 101a normal year
- Days that stay below freezing
- 21high of 32°F or less
- Days with 0.01 inch of precipitation
- 110a normal year
- Days with 1 inch of snow or more
- 5a normal year
The highest temperature in this station's record (since 1950) is 107°F, on July 10, 1988; the lowest is −25°F, on January 19, 1977.
The wettest calendar year on that record is 1989, with 66.38 in; the snowiest season is 1977–78, with 51.1 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00331550; records: ACIS (NOAA Regional Climate Centers), station USC00331550. Records use complete months only; a month missing more than three days is left out.
How sunny is it at Cincinnati-Fernbank?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Cincinnati-Fernbank, 4.0 kWh per square metre a day. August is the sunniest month (81%) and December the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 59% | 1.8 |
| February | 62% | 2.6 |
| March | 65% | 3.6 |
| April | 71% | 4.9 |
| May | 72% | 5.5 |
| June | 78% | 6.2 |
| July | 79% | 6.0 |
| August | 81% | 5.5 |
| September | 79% | 4.6 |
| October | 72% | 3.2 |
| November | 69% | 2.2 |
| December | 58% | 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 many heating and cooling degree days does Cincinnati-Fernbank record?
A normal year at Cincinnati-Fernbank brings 4,773 heating degree days, 11% fewer than the median U.S. place (5,373), and 1,176 cooling degree days, 30% more than the median (908). Six months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 3,853 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,021 | 0 |
| February | 841 | 0 |
| March | 664 | 3 |
| April | 337 | 17 |
| May | 114 | 89 |
| June | 13 | 238 |
| July | 0 | 344 |
| August | 2 | 313 |
| September | 47 | 149 |
| October | 278 | 22 |
| November | 580 | 1 |
| December | 877 | 0 |
| Year (annual) | 4,773 | 1,176 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00331550. 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.
How does Cincinnati-Fernbank's climate compare?
Cincinnati-Fernbank is warmer than 99 of the 99 places with their own NOAA record in Ohio, and wetter than 87. Across the 7,247 U.S. stations with normals, its annual mean of 55.0°F is warmer than 60%.
In the Köppen classification computed from these normals, Cincinnati-Fernbank is Cfa: temperate, 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 Cincinnati-Fernbank share this climate record?
9 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.
- Francisville, KY10,313 people · 2 mi W
- Hidden Valley, IN5,625 people · 9 mi NW
- Lawrenceburg, IN5,216 people · 10 mi W
- Greendale, IN4,581 people · 7 mi W
- Aurora, IN3,515 people · 12 mi W
- Shawnee, OH952 people · 5 mi W
- Addyston, OH914 people · 2 mi NW
- North Bend, OH834 people · 3 mi NW
- Petersburg, KY532 people · 10 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 Cincinnati-Fernbank's climate
What is the coldest month at Cincinnati-Fernbank?
January, with a normal high of 40°F and a normal low of 24°F. The warmest is July (86°F by day, 67°F at night).
Does it snow at Cincinnati-Fernbank?
Yes: 11 inches in a normal year, falling on 9 days with 0.1 inch or more, the most in February (4.7 inches).
What is the rainiest month at Cincinnati-Fernbank?
May, with 5.15 in of precipitation in a normal year; the driest is February with 3.12 in.
What plant hardiness zone is Cincinnati-Fernbank in?
The USDA's 2023 map puts Cincinnati-Fernbank in zone 6b in ZIP code 45233, the nearest ZIP area.
How late can frost come at Cincinnati-Fernbank?
In half of years the last 32°F night comes after April 13; in one year in ten it comes after May 2. Waiting until May 2 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Ohio climateThe statewide normals and every place in the state
- Mack, OH2 miles from this station, 53.6°F a year
- Cheviot, OH5 miles from this station, 53.8°F a year
- Cincinnati, OH5 miles from this station, 54.7°F a year
- Fairfield, OH17 miles from this station, 53.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made