All-time weather records — Grafton, WV

Record high
97.0°F
August 29, 2024
Record low
-11.0°F
January 23, 2025
Wettest day
3.88 in
September 9, 2018

Climate change signal in Grafton

58.5%

of Grafton's all-time daily heat records were set in the last decade (214 of 366 records since 2015).

39.3%

of all-time daily cold records were set in the last decade (144 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 #
1940s
·
·
1950s
·
·
2000s
107
158
2010s
127
133
2020s
132
75

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 2000, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 12, 2020 -11.0°F — Jan 23, 2025 1.57 in — Jan 25, 2010
February 77.0°F — Feb 25, 2017 -9.0°F — Feb 20, 2015 1.82 in — Feb 16, 2018
March 84.0°F — Mar 24, 2012 -2.0°F — Mar 6, 2015 1.37 in — Mar 6, 2004
April 88.0°F — Apr 3, 2010 19.9°F — Apr 10, 2016 2.75 in — Apr 16, 2018
May 90.0°F — May 5, 2001 28.0°F — May 1, 2004 2.55 in — May 29, 2021
June 95.0°F — Jun 19, 2024 36.0°F — Jun 7, 2003 2.83 in — Jun 4, 2008
July 96.1°F — Jul 8, 2012 46.9°F — Jul 1, 2010 3.13 in — Jul 11, 2001
August 97.0°F — Aug 29, 2024 45.0°F — Aug 31, 2025 2.75 in — Aug 23, 2017
September 93.0°F — Sep 1, 2024 37.0°F — Sep 22, 2020 3.88 in — Sep 9, 2018
October 91.0°F — Oct 2, 2019 26.1°F — Oct 27, 2006 1.91 in — Oct 5, 2006
November 82.0°F — Nov 1, 2024 10.9°F — Nov 23, 2008 2.16 in — Nov 12, 2003
December 73.0°F — Dec 6, 2001 -4.0°F — Dec 24, 2022 2.09 in — Dec 15, 1948

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