All-time weather records — White Mountain, AK

Record high
312.6°F
September 10, 2003
Record low
-147.8°F
August 1, 2017
Wettest day
3.40 in
August 2, 2019

Climate change signal in White Mountain

33.1%

of White Mountain's all-time daily heat records were set in the last decade (121 of 366 records since 2015).

26.5%

of all-time daily cold records were set in the last decade (97 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
·
17
2000s
180
172
2010s
129
124
2020s
57
53

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 2000, the latest in 2025. Period of observation: 1999-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 46.6°F — Jan 27, 2014 -126.6°F — Jan 22, 2006 0.70 in — Jan 16, 2008
February 43.2°F — Feb 27, 2014 -39.3°F — Feb 3, 2012 0.90 in — Feb 13, 2009
March 39.7°F — Mar 25, 2014 -34.8°F — Mar 20, 2006 0.70 in — Mar 28, 2003
April 55.9°F — Apr 27, 2014 -27.9°F — Apr 10, 2006 0.60 in — Apr 17, 2020
May 78.4°F — May 28, 2011 -6.0°F — May 2, 2001 0.70 in — May 16, 2015
June 89.2°F — Jun 17, 2013 -27.9°F — Jun 30, 2003 1.10 in — Jun 27, 2021
July 87.4°F — Jul 9, 2019 -5.1°F — Jul 17, 2015 1.90 in — Jul 29, 2016
August 310.3°F — Aug 27, 2003 -147.8°F — Aug 1, 2017 3.40 in — Aug 2, 2019
September 312.6°F — Sep 10, 2003 -39.8°F — Sep 18, 2013 1.30 in — Sep 12, 2017
October 207.7°F — Oct 2, 2003 -2.6°F — Oct 29, 2001 1.00 in — Oct 20, 2024
November 45.1°F — Nov 5, 2003 -26.7°F — Nov 30, 2003 0.90 in — Nov 7, 2009
December 43.7°F — Dec 1, 2007 -37.8°F — Dec 31, 2011 0.80 in — Dec 26, 2021

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