All-time weather records — Rio Grande, OH

Record high
113.0°F
July 21, 1934
Record low
-27.9°F
January 19, 1994
Wettest day
4.73 in
July 22, 1976

Climate change signal in Rio Grande

7.1%

of Rio Grande's all-time daily heat records were set in the last decade (26 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1920s
·
·
1930s
85
53
1940s
57
59
1950s
42
41
1960s
23
70
1970s
23
45
1980s
35
67
1990s
18
8
2000s
39
5
2010s
30
16
2020s
14
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 1934, the latest in 2026. Period of observation: 1928-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 12, 2020 -27.9°F — Jan 19, 1994 2.44 in — Jan 22, 1999
February 79.0°F — Feb 21, 2018 -14.1°F — Feb 4, 1996 3.00 in — Feb 19, 2000
March 88.0°F — Mar 23, 2026 -9.0°F — Mar 4, 1943 2.55 in — Mar 2, 1997
April 93.0°F — Apr 3, 2010 16.0°F — Apr 1, 1964 3.35 in — Apr 16, 1939
May 98.1°F — May 26, 1939 23.0°F — May 10, 1966 3.90 in — May 3, 2010
June 105.1°F — Jun 17, 1936 34.0°F — Jun 11, 1972 3.10 in — Jun 5, 2008
July 113.0°F — Jul 21, 1934 43.0°F — Jul 12, 1945 4.73 in — Jul 22, 1976
August 108.0°F — Aug 21, 1936 39.0°F — Aug 29, 1965 4.25 in — Aug 4, 1963
September 105.1°F — Sep 1, 1953 27.0°F — Sep 29, 1942 4.00 in — Sep 18, 2004
October 96.1°F — Oct 8, 2007 15.1°F — Oct 27, 1962 2.49 in — Oct 7, 2019
November 89.1°F — Nov 7, 1938 0.0°F — Nov 30, 1958 2.28 in — Nov 4, 1936
December 80.1°F — Dec 2, 1982 -13.0°F — Dec 21, 1942 2.75 in — Dec 17, 2019

Click a month to see every daily record for that month in Rio Grande.