All-time weather records — Troy, ID

Record high
97.7°F
June 29, 2021
Record low
-14.8°F
January 13, 2024
Wettest day
3.10 in
November 4, 2022

Climate change signal in Troy

46.4%

of Troy's all-time daily heat records were set in the last decade (170 of 366 records since 2015).

33.6%

of all-time daily cold records were set in the last decade (123 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
158
145
2010s
108
156
2020s
100
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 2001, the latest in 2026. Period of observation: 2000-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 51.4°F — Jan 23, 2005 -14.8°F — Jan 13, 2024 2.60 in — Jan 31, 2008
February 57.0°F — Feb 27, 2005 -4.5°F — Feb 17, 2006 2.70 in — Feb 23, 2025
March 72.3°F — Mar 26, 2025 7.3°F — Mar 10, 2009 2.30 in — Mar 20, 2012
April 78.4°F — Apr 27, 2018 19.0°F — Apr 13, 2022 1.90 in — Apr 2, 2009
May 87.6°F — May 24, 2003 24.4°F — May 4, 2010 1.50 in — May 17, 2019
June 97.7°F — Jun 29, 2021 29.8°F — Jun 10, 2008 2.70 in — Jun 13, 2022
July 94.1°F — Jul 31, 2021 39.7°F — Jul 1, 2011 0.90 in — Jul 13, 2009
August 97.5°F — Aug 10, 2018 39.0°F — Aug 31, 2008 1.50 in — Aug 20, 2008
September 93.6°F — Sep 1, 2025 28.8°F — Sep 29, 2019 1.60 in — Sep 29, 2022
October 80.2°F — Oct 1, 2008 9.7°F — Oct 29, 2019 1.90 in — Oct 31, 2015
November 62.2°F — Nov 8, 2004 -3.5°F — Nov 24, 2010 3.10 in — Nov 4, 2022
December 50.5°F — Dec 1, 2021 -6.5°F — Dec 22, 2022 2.20 in — Dec 13, 2001

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