All-time weather records — Granville, IA

Record high
109.9°F
July 4, 1936
Record low
-42.0°F
January 12, 1912
Wettest day
5.73 in
September 3, 1970

Climate change signal in Granville

0%

of Granville's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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 #
1900s
17
39
1910s
60
112
1920s
44
81
1930s
157
71
1940s
73
40
1950s
15
23
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
·
·

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 1905, the latest in 1953. Period of observation: 1905-2009.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 25, 1944 -42.0°F — Jan 12, 1912 1.36 in — Jan 23, 1982
February 64.9°F — Feb 16, 1931 -34.1°F — Feb 4, 1918 1.62 in — Feb 19, 1971
March 87.1°F — Mar 30, 1943 -22.0°F — Mar 11, 1948 2.58 in — Mar 1, 1993
April 95.0°F — Apr 28, 1910 -9.0°F — Apr 8, 1930 1.96 in — Apr 16, 1938
May 106.0°F — May 29, 1934 21.0°F — May 3, 1909 3.58 in — May 25, 1937
June 104.0°F — Jun 10, 1933 32.0°F — Jun 16, 1917 3.32 in — Jun 25, 1935
July 109.9°F — Jul 4, 1936 39.9°F — Jul 3, 1917 3.47 in — Jul 21, 1928
August 107.1°F — Aug 3, 1930 33.1°F — Aug 30, 1915 5.42 in — Aug 22, 1988
September 100.0°F — Sep 5, 1913 19.9°F — Sep 22, 1913 5.73 in — Sep 3, 1970
October 93.0°F — Oct 3, 1938 -9.9°F — Oct 30, 1925 3.19 in — Oct 31, 1979
November 78.1°F — Nov 10, 1949 -11.9°F — Nov 13, 1919 2.04 in — Nov 20, 1930
December 63.0°F — Dec 6, 1939 -34.1°F — Dec 29, 1917 1.44 in — Dec 28, 1982

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