All-time weather records — Ashton, ID

Record high
100.9°F
July 23, 2007
Record low
-36.9°F
February 7, 1933
Wettest day
3.13 in
July 24, 1913

Climate change signal in Ashton

6.8%

of Ashton's all-time daily heat records were set in the last decade (25 of 366 records since 2015).

2.7%

of all-time daily cold records were set in the last decade (10 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 #
1890s
22
60
1900s
37
44
1910s
29
30
1920s
23
28
1930s
98
41
1940s
14
21
1950s
15
31
1960s
17
38
1970s
9
28
1980s
33
8
1990s
17
10
2000s
16
11
2010s
21
10
2020s
15
6

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 1897, the latest in 2026. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 19, 1983 -35.0°F — Jan 21, 1937 2.61 in — Jan 23, 1982
February 90.0°F — Feb 3, 1953 -36.9°F — Feb 7, 1933 1.72 in — Feb 5, 2024
March 73.0°F — Mar 18, 2026 -29.9°F — Mar 13, 1897 2.32 in — Mar 19, 1904
April 88.0°F — Apr 21, 1994 -2.9°F — Apr 5, 1936 1.55 in — Apr 6, 2011
May 90.0°F — May 28, 2003 6.1°F — May 3, 1899 1.87 in — May 24, 2011
June 98.1°F — Jun 27, 1936 18.0°F — Jun 5, 1899 2.12 in — Jun 3, 1944
July 100.9°F — Jul 23, 2007 10.0°F — Jul 13, 1904 3.13 in — Jul 24, 1913
August 99.0°F — Aug 13, 1907 19.9°F — Aug 23, 1899 2.30 in — Aug 15, 2022
September 99.0°F — Sep 18, 1931 10.0°F — Sep 29, 1898 1.60 in — Sep 5, 1930
October 84.9°F — Oct 1, 1957 -7.1°F — Oct 31, 2002 1.85 in — Oct 7, 2006
November 73.9°F — Nov 2, 1999 -18.0°F — Nov 13, 1916 1.56 in — Nov 20, 2010
December 60.1°F — Dec 27, 1902 -36.0°F — Dec 19, 1924 1.60 in — Dec 4, 2023

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