Unionville Center weather by month
What a typical year looks like in Unionville Center, Ohio: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at MARYSVILLE, 9 km from Unionville Center; records cover 1917–2026.
The year at a glance
- Precipitation a year
- 40.5 in1028 mm
- Snow a year
- 24 in61 cm
- Last spring freeze
- Apr 15
- First fall freeze
- Oct 21
- Heating degree days
- 5,546
- Cooling degree days
- 967
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 1°−17° (heating, 99%) and 93°34° (cooling, 1%).
Month by month
Unionville Center in January
Highs average 35°2° and lows 21°−6°, with 2.7 in68 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 72°22° (1950)
- Record low
- −23°−31° (1982)
- Heating degree days
- 1153
- Cooling degree days
- 0
Unionville Center in February
Highs average 39°4° and lows 23°−5°, with 2.3 in58 mm of precipitation and 7 in17 cm of snow in a typical February.
- Record high
- 75°24° (2018)
- Record low
- −19°−28° (1918)
- Heating degree days
- 955
- Cooling degree days
- 0
Unionville Center in March
Highs average 50°10° and lows 31°−1°, with 3 in77 mm of precipitation and 4 in10 cm of snow in a typical March.
- Record high
- 85°29° (2012)
- Record low
- −11°−24° (1984)
- Heating degree days
- 770
- Cooling degree days
- 1
Unionville Center in April
Highs average 63°17° and lows 41°5°, with 3.9 in98 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 89°32° (1930)
- Record low
- 8°−13° (1923)
- Heating degree days
- 400
- Cooling degree days
- 10
Unionville Center in May
Highs average 74°23° and lows 52°11°, with 4.5 in115 mm of precipitation in a typical May.
- Record high
- 95°35° (2012)
- Record low
- 22°−6° (1966)
- Heating degree days
- 147
- Cooling degree days
- 76
Unionville Center in June
Highs average 82°28° and lows 61°16°, with 4.9 in123 mm of precipitation in a typical June.
- Record high
- 101°38° (1988)
- Record low
- 36°2° (1972)
- Heating degree days
- 19
- Cooling degree days
- 207
Unionville Center in July
Highs average 85°29° and lows 64°18°, with 4.2 in105 mm of precipitation in a typical July.
- Record high
- 109°43° (1936)
- Record low
- 42°6° (1968)
- Heating degree days
- 1
- Cooling degree days
- 300
Unionville Center in August
Highs average 84°29° and lows 62°17°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 105°41° (1918)
- Record low
- 36°2° (1946)
- Heating degree days
- 5
- Cooling degree days
- 251
Unionville Center in September
Highs average 78°25° and lows 55°13°, with 3.2 in81 mm of precipitation in a typical September.
- Record high
- 102°39° (1939)
- Record low
- 27°−3° (1942)
- Heating degree days
- 75
- Cooling degree days
- 108
Unionville Center in OctoberThis month
Highs average 65°18° and lows 44°7°, with 2.7 in69 mm of precipitation in a typical October.
- Record high
- 92°33° (1951)
- Record low
- 12°−11° (1925)
- Heating degree days
- 343
- Cooling degree days
- 14
Unionville Center in November
Highs average 51°11° and lows 34°1°, with 2.9 in74 mm of precipitation and 0.7 in1.8 cm of snow in a typical November.
- Record high
- 80°27° (1950)
- Record low
- −6°−21° (1958)
- Heating degree days
- 681
- Cooling degree days
- 0
Unionville Center in December
Highs average 40°4° and lows 26°−3°, with 2.9 in73 mm of precipitation and 6 in14 cm of snow in a typical December.
- Record high
- 74°23° (2001)
- Record low
- −20°−29° (1950)
- Heating degree days
- 997
- Cooling degree days
- 0