All-time weather records — Montpelier, ID

Record high
100.0°F
July 13, 2002
Record low
-29.9°F
January 31, 2023
Wettest day
1.85 in
October 17, 2016

Climate change signal in Montpelier

39.9%

of Montpelier's all-time daily heat records were set in the last decade (146 of 366 records since 2015).

25.4%

of all-time daily cold records were set in the last decade (93 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
57
113
2000s
112
114
2010s
105
89
2020s
92
50

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 1992, the latest in 2026. Period of observation: 1992-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 48.9°F — Jan 31, 2003 -29.9°F — Jan 31, 2023 1.01 in — Jan 9, 2005
February 55.0°F — Feb 7, 2015 -29.9°F — Feb 3, 1996 0.88 in — Feb 8, 2014
March 75.9°F — Mar 21, 2026 -20.9°F — Mar 2, 2002 0.78 in — Mar 22, 1994
April 82.0°F — Apr 24, 2012 -4.0°F — Apr 1, 2008 0.94 in — Apr 8, 2017
May 89.1°F — May 29, 2003 15.1°F — May 2, 2013 1.43 in — May 6, 1993
June 97.0°F — Jun 30, 2013 21.9°F — Jun 10, 2002 1.29 in — Jun 17, 2020
July 100.0°F — Jul 13, 2002 28.0°F — Jul 13, 1993 1.31 in — Jul 12, 1997
August 98.1°F — Aug 9, 2012 23.0°F — Aug 26, 1992 1.22 in — Aug 6, 2022
September 96.1°F — Sep 7, 2022 15.1°F — Sep 27, 1996 1.34 in — Sep 29, 2019
October 88.0°F — Oct 3, 2010 -13.0°F — Oct 30, 2019 1.85 in — Oct 17, 2016
November 70.0°F — Nov 4, 2020 -18.0°F — Nov 25, 1993 1.33 in — Nov 9, 2022
December 59.0°F — Dec 3, 1998 -20.9°F — Dec 26, 2001 1.30 in — Dec 21, 1996

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