All-time weather records — St. Maries, ID

Record high
109.9°F
August 11, 2018
Record low
-29.0°F
December 30, 1968
Wettest day
4.33 in
October 31, 1940

Climate change signal in St. Maries

10.1%

of St. Maries's all-time daily heat records were set in the last decade (37 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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
2
8
1900s
37
28
1910s
26
47
1920s
20
64
1930s
42
42
1940s
47
38
1950s
21
55
1960s
34
18
1970s
23
25
1980s
36
18
1990s
19
4
2000s
18
12
2010s
24
1
2020s
17
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 1898, the latest in 2025. Period of observation: 1897-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 59.0°F — Jan 15, 1921 -26.0°F — Jan 20, 1937 2.17 in — Jan 3, 1989
February 66.9°F — Feb 27, 1905 -25.1°F — Feb 9, 1933 2.24 in — Feb 4, 2016
March 79.0°F — Mar 27, 1986 -9.9°F — Mar 5, 1955 1.65 in — Mar 27, 2005
April 95.0°F — Apr 27, 1987 8.1°F — Apr 1, 1936 2.50 in — Apr 18, 1899
May 97.0°F — May 31, 1940 19.9°F — May 1, 1954 1.89 in — May 22, 2004
June 108.0°F — Jun 30, 2021 26.1°F — Jun 14, 1930 1.85 in — Jun 6, 1957
July 106.0°F — Jul 1, 2021 30.0°F — Jul 28, 1926 2.23 in — Jul 4, 1902
August 109.9°F — Aug 11, 2018 12.9°F — Aug 7, 2024 1.72 in — Aug 22, 1992
September 104.0°F — Sep 3, 1988 3.0°F — Sep 25, 2000 1.85 in — Sep 12, 2024
October 90.0°F — Oct 2, 1943 9.0°F — Oct 28, 1971 4.33 in — Oct 31, 1940
November 73.0°F — Nov 3, 1908 -14.1°F — Nov 15, 1955 2.00 in — Nov 23, 2024
December 87.1°F — Dec 1, 1915 -29.0°F — Dec 30, 1968 2.26 in — Dec 2, 1998

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