All-time weather records — Jamestown, OH

Record high
186.1°F
August 23, 1943
Record low
-27.9°F
January 21, 1984
Wettest day
5.30 in
July 4, 1975

Climate change signal in Jamestown

9%

of Jamestown's all-time daily heat records were set in the last decade (33 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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
20
13
1920s
17
17
1930s
107
67
1940s
32
50
1950s
37
38
1960s
24
32
1970s
14
56
1980s
31
54
1990s
15
17
2000s
19
8
2010s
31
6
2020s
19
8

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: 1916-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 77.0°F — Jan 11, 1983 -27.9°F — Jan 21, 1984 4.72 in — Jan 21, 1959
February 77.0°F — Feb 20, 2018 -20.0°F — Feb 3, 1985 3.47 in — Feb 14, 1926
March 84.9°F — Mar 23, 2026 -5.1°F — Mar 3, 1980 3.12 in — Mar 6, 1945
April 90.0°F — Apr 30, 2011 12.9°F — Apr 1, 1923 3.56 in — Apr 19, 1964
May 95.0°F — May 29, 1941 25.0°F — May 10, 1966 3.44 in — May 24, 1968
June 102.0°F — Jun 25, 1988 37.0°F — Jun 11, 1972 3.85 in — Jun 4, 2008
July 108.0°F — Jul 10, 1936 42.1°F — Jul 1, 1988 5.30 in — Jul 4, 1975
August 186.1°F — Aug 23, 1943 37.9°F — Aug 29, 1986 3.75 in — Aug 13, 1944
September 102.9°F — Sep 8, 1939 25.0°F — Sep 24, 1983 3.72 in — Sep 14, 1979
October 91.9°F — Oct 2, 2019 16.0°F — Oct 21, 1952 3.10 in — Oct 6, 2013
November 84.0°F — Nov 10, 2020 -8.0°F — Nov 30, 1958 2.08 in — Nov 6, 2017
December 73.9°F — Dec 2, 1982 -24.0°F — Dec 22, 1989 5.00 in — Dec 13, 1917

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