Barnesville, Ohio climate: Normal weather by month, frost dates and records

Barnesville's normal year runs from 21°F January nights to 83°F July afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 10.7°C, January lows of −6°C, July highs of 28°C.

  • NOAA stationBarnesville
  • Station IDUSC00330430
  • Location39.99°N 81.19°W
  • Elevation1,280 ft (390 m)
  • From the centerunder 1 mile
  • Population3,902

On October 8, the normal high in Barnesville is 68°F and the normal low 47°F.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Barnesville.

  1. Jan 36° 21°
  2. Feb 39° 22°
  3. Mar 49° 29°
  4. Apr 62° 40°
  5. May 72° 49°
  6. Jun 79° 59°
  7. Jul 83° 63°
  8. Aug 82° 61°
  9. Sep 76° 54°
  10. Oct 64° 44°
  11. Nov 51° 34°
  12. 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 Barnesville each month?

July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 21°F.

Barnesville monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 36°F21°F28.0°F –<1269 h 40 min
February 39°F22°F30.7°F –<12410 h 40 min
March 49°F29°F39.0°F –<12011 h 50 min
April 62°F40°F50.6°F –<1813 h 10 min
May 72°F49°F60.5°F –<1114 h 20 min
June 79°F59°F68.8°F –2<115 h
July 83°F63°F72.9°F –3<114 h 50 min
August 82°F61°F71.2°F –4<113 h 50 min
September 76°F54°F64.9°F –1<112 h 30 min
October 64°F44°F54.0°F –<1411 h 10 min
November 51°F34°F42.2°F –<11510 h
December 41°F26°F33.4°F –<1249 h 20 min
Year (annual)61°F42°F51.3°F–9121
The same normals in °C and millimetres
Barnesville monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January2°C−6°C−2.2°C
February4°C−5°C−0.7°C
March10°C−2°C3.9°C
April17°C4°C10.3°C
May22°C10°C15.8°C
June26°C15°C20.4°C
July28°C17°C22.7°C
August28°C16°C21.8°C
September24°C12°C18.3°C
October18°C6°C12.2°C
November10°C1°C5.7°C
December5°C−3°C0.8°C
Normal daily high and low by month, Barnesville

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Cambridge (21 miles away), gets 17 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00330430; 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 Barnesville?

Normal highs sit between 65°F and 85°F in May, June, July, August and September.

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 USC00330430.

When is the last frost in Barnesville?

In Barnesville, the last spring frost (32°F) comes after April 27 in half of years and after May 13 in one year in ten; the first autumn frost comes before October 22 in half of years and before October 7 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 271 year in 10 after May 13; 9 in 10 after April 14
First autumn frost, half of years before
October 221 year in 10 before October 7; 9 in 10 before November 2

NOAA puts the median frost-free season at 177 days, and the season without a hard freeze (28°F) at 200 days.

A hard freeze (28°F) comes after April 16 in half of springs and before November 1 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Barnesville in zone 6b in ZIP code 43713, 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 USC00330430; 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 in Barnesville?

In a normal year in Barnesville, 9 days a year reach 90°F and 121 nights fall to 32°F or colder.

Days at 90°F or more
9a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
121a normal year
Days that stay below freezing
34high of 32°F or less

The highest temperature in this station's record (since 1939) is 103°F, on August 27, 1948; the lowest is −25°F, on January 29, 1963.

The wettest calendar year on that record is 1989, with 55.78 in; the snowiest season is 1977–78, with 71.0 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00330430; records: ACIS (NOAA Regional Climate Centers), station USC00330430. Records use complete months only; a month missing more than three days is left out.

How sunny is Barnesville?

Over a year 71% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Barnesville, 3.9 kWh per square metre a day. August is the sunniest month (79%) and December the cloudiest (56%).

Barnesville: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January57%1.7
February59%2.5
March64%3.6
April69%4.8
May71%5.5
June76%6.1
July77%5.9
August79%5.4
September78%4.5
October70%3.1
November68%2.2
December56%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 Barnesville need?

A normal year in Barnesville brings 5,696 heating degree days, 6% more than the median U.S. place (5,373), and 754 cooling degree days, 17% 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 3,119 growing degree days a year above 50°F.

Barnesville: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,1450
February9620
March8051
April44210
May19049
June36152
July4248
August9201
September8482
October35412
November6860
December9800
Year (annual)5,696754

Source: NOAA NCEI 1991-2020 monthly normals, station USC00330430. 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 Barnesville's climate compare?

Barnesville is warmer than 45 of the other 98 places with their own NOAA record in Ohio. Across the 7,247 U.S. stations with normals, its annual mean of 51.3°F is warmer than 46%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Which places near Barnesville share this climate record?

7 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.

  • Bethesda, OH1,184 people · 6 mi E
  • Quaker City, OH375 people · 6 mi W
  • Morristown, OH238 people · 8 mi NE
  • Salesville, OH113 people · 8 mi W
  • Batesville, OH99 people · 7 mi SW
  • Fairview, OH69 people · 5 mi NW
  • Miltonsburg, OH39 people · 11 mi S

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 Barnesville's climate

What is the coldest month in Barnesville?

January, with a normal high of 36°F and a normal low of 21°F. The warmest is July (83°F by day, 63°F at night).

Does it snow in Barnesville?

Yes. NOAA publishes no 1991-2020 snowfall normal for Barnesville's NOAA station; the nearest record that keeps one, Cambridge (21 miles away), records 17 inches of snow in a normal year.

What plant hardiness zone is Barnesville in?

The USDA's 2023 map puts Barnesville in zone 6b in ZIP code 43713, the nearest ZIP area.

How late can frost come in Barnesville?

In half of years the last 32°F night comes after April 27; in one year in ten it comes after May 13. Waiting until May 13 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made