All-time weather records — Unionville Center, OH

Record high
109.0°F
July 14, 1936
Record low
-58.0°F
July 21, 1939
Wettest day
4.82 in
June 2, 1997

Climate change signal in Unionville Center

8.7%

of Unionville Center's all-time daily heat records were set in the last decade (32 of 366 records since 2015).

2.2%

of all-time daily cold records were set in the last decade (8 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1910s
10
30
1920s
15
67
1930s
99
57
1940s
37
46
1950s
49
37
1960s
17
52
1970s
19
33
1980s
23
19
1990s
16
7
2000s
23
2
2010s
40
14
2020s
18
2

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1917, the latest in 2026. Period of observation: 1917-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 25, 1950 -23.1°F — Jan 10, 1982 2.80 in — Jan 21, 1959
February 75.0°F — Feb 20, 2018 -18.9°F — Feb 5, 1918 2.07 in — Feb 13, 1948
March 84.9°F — Mar 21, 2012 -11.0°F — Mar 9, 1984 2.63 in — Mar 10, 1964
April 89.1°F — Apr 11, 1930 8.1°F — Apr 1, 1923 2.83 in — Apr 13, 1972
May 95.0°F — May 27, 2012 21.9°F — May 10, 1966 2.70 in — May 12, 1918
June 100.9°F — Jun 25, 1988 36.0°F — Jun 11, 1972 4.82 in — Jun 2, 1997
July 109.0°F — Jul 14, 1936 -58.0°F — Jul 21, 1939 3.50 in — Jul 2, 1999
August 105.1°F — Aug 5, 1918 36.0°F — Aug 30, 1946 3.28 in — Aug 10, 1931
September 102.0°F — Sep 2, 1953 27.0°F — Sep 29, 1942 3.68 in — Sep 2, 1922
October 91.9°F — Oct 2, 2019 12.0°F — Oct 29, 1925 2.80 in — Oct 22, 1929
November 80.1°F — Nov 1, 1950 -6.0°F — Nov 30, 1958 2.27 in — Nov 20, 1950
December 73.9°F — Dec 5, 2001 -20.0°F — Dec 24, 1983 2.00 in — Dec 22, 2013

Click a month to see every daily record for that month in Unionville Center.