All-time weather records — Orono, MN

Record high
100.0°F
June 7, 2011
Record low
-35.0°F
February 2, 1996
Wettest day
5.53 in
September 4, 2005

Climate change signal in Orono

35.2%

of Orono's all-time daily heat records were set in the last decade (129 of 366 records since 2015).

31.7%

of all-time daily cold records were set in the last decade (116 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 #
1990s
49
66
2000s
125
124
2010s
106
111
2020s
86
65

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 1996, the latest in 2026. Period of observation: 1996-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 55.0°F — Jan 8, 2003 -31.0°F — Jan 31, 2019 1.39 in — Jan 18, 1996
February 64.0°F — Feb 26, 2024 -35.0°F — Feb 2, 1996 0.97 in — Feb 28, 2012
March 79.0°F — Mar 16, 2012 -18.9°F — Mar 3, 2019 1.57 in — Mar 28, 2020
April 90.0°F — Apr 14, 2003 6.1°F — Apr 4, 2018 2.69 in — Apr 23, 2001
May 99.0°F — May 28, 2018 28.0°F — May 4, 2005 2.78 in — May 17, 2020
June 100.0°F — Jun 7, 2011 37.0°F — Jun 19, 1997 4.98 in — Jun 19, 2014
July 99.0°F — Jul 6, 2012 48.0°F — Jul 7, 1997 3.02 in — Jul 13, 2013
August 98.1°F — Aug 22, 2023 37.9°F — Aug 21, 2004 4.87 in — Aug 8, 2009
September 96.1°F — Sep 3, 2023 30.0°F — Sep 25, 2001 5.53 in — Sep 4, 2005
October 90.0°F — Oct 1, 2023 12.9°F — Oct 27, 2020 4.40 in — Oct 5, 2005
November 77.0°F — Nov 8, 1999 -9.9°F — Nov 27, 1996 1.72 in — Nov 11, 2015
December 66.9°F — Dec 1, 1998 -26.0°F — Dec 26, 1996 1.11 in — Dec 27, 2018

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