All-time weather records — Shelley, ID

Record high
111.0°F
June 24, 2010
Record low
-38.0°F
February 1, 1985
Wettest day
1.73 in
May 6, 1993

Climate change signal in Shelley

24%

of Shelley's all-time daily heat records were set in the last decade (88 of 366 records since 2015).

9%

of all-time daily cold records were set in the last decade (33 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 #
1940s
8
10
1950s
51
44
1960s
43
70
1970s
27
53
1980s
47
56
1990s
32
34
2000s
41
52
2010s
52
33
2020s
65
14

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 31, 2003 -33.0°F — Jan 1, 1979 0.76 in — Jan 21, 1969
February 62.1°F — Feb 6, 2015 -38.0°F — Feb 1, 1985 1.03 in — Feb 15, 1986
March 78.1°F — Mar 20, 2026 -16.1°F — Mar 2, 1960 1.08 in — Mar 14, 2020
April 86.0°F — Apr 23, 2012 12.9°F — Apr 23, 1968 1.10 in — Apr 18, 2000
May 93.9°F — May 28, 2003 17.1°F — May 5, 1982 1.73 in — May 6, 1993
June 111.0°F — Jun 24, 2010 28.9°F — Jun 1, 2000 1.34 in — Jun 10, 2004
July 100.9°F — Jul 13, 2002 33.1°F — Jul 6, 1986 1.48 in — Jul 19, 1973
August 100.0°F — Aug 2, 2024 28.0°F — Aug 26, 1992 1.19 in — Aug 29, 1971
September 100.0°F — Sep 3, 2022 18.0°F — Sep 20, 1983 1.03 in — Sep 11, 1978
October 88.0°F — Oct 2, 2010 -2.7°F — Oct 30, 2019 0.90 in — Oct 8, 1973
November 71.1°F — Nov 1, 2014 -18.9°F — Nov 29, 1975 0.90 in — Nov 14, 1971
December 57.9°F — Dec 11, 2014 -31.0°F — Dec 5, 1972 0.72 in — Dec 23, 1982

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