All-time weather records — Byron, MI

Record high
97.0°F
July 7, 2012
Record low
-20.9°F
February 20, 2015
Wettest day
4.50 in
July 13, 2023

Climate change signal in Byron

52.5%

of Byron's all-time daily heat records were set in the last decade (192 of 366 records since 2015).

43.4%

of all-time daily cold records were set in the last decade (159 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 #
2000s
97
139
2010s
162
157
2020s
107
70

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 2002, the latest in 2026. Period of observation: 2002-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 62.1°F — Jan 5, 2019 -18.0°F — Jan 24, 2026 2.00 in — Jan 12, 2005
February 64.9°F — Feb 19, 2017 -20.9°F — Feb 20, 2015 2.00 in — Feb 21, 2018
March 84.0°F — Mar 22, 2012 -14.1°F — Mar 3, 2003 1.40 in — Mar 26, 2021
April 84.9°F — Apr 17, 2002 16.0°F — Apr 8, 2018 3.00 in — Apr 4, 2003
May 91.0°F — May 29, 2012 27.0°F — May 1, 2021 3.51 in — May 13, 2014
June 93.9°F — Jun 29, 2012 35.1°F — Jun 1, 2003 2.04 in — Jun 23, 2015
July 97.0°F — Jul 7, 2012 44.1°F — Jul 12, 2002 4.50 in — Jul 13, 2023
August 93.9°F — Aug 2, 2006 42.1°F — Aug 31, 2009 3.94 in — Aug 12, 2021
September 93.0°F — Sep 8, 2002 33.1°F — Sep 8, 2008 3.10 in — Sep 14, 2008
October 87.1°F — Oct 8, 2007 23.0°F — Oct 17, 2002 4.00 in — Oct 20, 2010
November 75.9°F — Nov 2, 2016 5.0°F — Nov 13, 2019 1.02 in — Nov 27, 2019
December 63.0°F — Dec 4, 2012 -15.0°F — Dec 28, 2017 1.50 in — Dec 17, 2003

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