All-time weather records — Island Park, ID

Record high
93.0°F
July 23, 2003
Record low
-30.6°F
December 22, 1990
Wettest day
3.30 in
January 1, 1997

Climate change signal in Island Park

13.1%

of Island Park's all-time daily heat records were set in the last decade (48 of 366 records since 2015).

15.3%

of all-time daily cold records were set in the last decade (56 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 #
1980s
16
22
1990s
118
184
2000s
166
73
2010s
30
55
2020s
36
32

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 1988, the latest in 2026. Period of observation: 1981-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 53.8°F — Jan 19, 2009 -18.2°F — Jan 13, 2024 3.30 in — Jan 1, 1997
February 55.6°F — Feb 3, 2005 -17.3°F — Feb 2, 1996 2.70 in — Feb 19, 1992
March 68.0°F — Mar 20, 2007 -6.0°F — Mar 3, 2002 2.40 in — Mar 16, 2025
April 68.9°F — Apr 21, 1994 1.2°F — Apr 13, 2022 2.00 in — Apr 27, 1986
May 78.1°F — May 17, 2006 13.6°F — May 5, 1999 2.20 in — May 14, 1998
June 90.3°F — Jun 28, 2007 19.9°F — Jun 7, 1995 2.30 in — Jun 1, 2005
July 93.0°F — Jul 23, 2003 31.6°F — Jul 1, 1997 2.10 in — Jul 22, 1985
August 91.0°F — Aug 14, 2003 27.5°F — Aug 24, 1992 2.30 in — Aug 27, 2025
September 84.9°F — Sep 4, 2006 17.8°F — Sep 22, 2000 2.10 in — Sep 16, 2015
October 74.1°F — Oct 1, 1992 -3.1°F — Oct 29, 2019 2.80 in — Oct 22, 2022
November 60.8°F — Nov 7, 1999 -13.2°F — Nov 24, 2010 3.00 in — Nov 23, 1988
December 52.3°F — Dec 4, 1988 -30.6°F — Dec 22, 1990 2.20 in — Dec 21, 1982

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