All-time weather records — Manhattan, MT

Record high
100.9°F
June 15, 2021
Record low
-44.0°F
January 14, 2024
Wettest day
2.00 in
March 19, 2012

Climate change signal in Manhattan

69.1%

of Manhattan's all-time daily heat records were set in the last decade (253 of 366 records since 2015).

48.6%

of all-time daily cold records were set in the last decade (178 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
28
64
2010s
163
216
2020s
175
86

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 2008, the latest in 2026. Period of observation: 2008-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 6, 2012 -44.0°F — Jan 14, 2024 0.55 in — Jan 12, 2017
February 63.0°F — Feb 8, 2026 -32.1°F — Feb 6, 2014 0.50 in — Feb 28, 2014
March 80.1°F — Mar 21, 2026 -38.9°F — Mar 5, 2019 2.00 in — Mar 19, 2012
April 82.9°F — Apr 29, 2018 1.0°F — Apr 4, 2018 0.81 in — Apr 3, 2026
May 91.0°F — May 9, 2014 18.0°F — May 2, 2013 1.15 in — May 20, 2013
June 100.9°F — Jun 15, 2021 23.0°F — Jun 12, 2018 1.46 in — Jun 13, 2017
July 100.0°F — Jul 19, 2021 32.0°F — Jul 7, 2016 0.94 in — Jul 11, 2016
August 99.0°F — Aug 3, 2024 30.9°F — Aug 24, 2015 1.55 in — Aug 30, 2010
September 99.0°F — Sep 4, 2022 24.1°F — Sep 12, 2014 1.18 in — Sep 18, 2024
October 90.0°F — Oct 2, 2011 -16.1°F — Oct 27, 2020 0.95 in — Oct 24, 2022
November 73.9°F — Nov 6, 2020 -20.9°F — Nov 30, 2014 1.00 in — Nov 21, 2008
December 69.1°F — Dec 2, 2021 -38.9°F — Dec 23, 2022 1.00 in — Dec 20, 2010

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