All-time weather records — Riggins, ID

Record high
115.0°F
August 20, 1967
Record low
-13.0°F
November 30, 1896
Wettest day
2.49 in
July 4, 1978

Climate change signal in Riggins

5.5%

of Riggins's all-time daily heat records were set in the last decade (20 of 366 records since 2015).

16.7%

of all-time daily cold records were set in the last decade (61 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
7
49
1900s
8
49
1910s
13
35
1930s
19
1
1940s
40
16
1950s
46
29
1960s
58
32
1970s
32
29
1980s
36
26
1990s
36
26
2000s
46
11
2010s
7
20
2020s
18
43

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 1896, the latest in 2026. Period of observation: 1896-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 31, 2024 -9.9°F — Jan 27, 1957 1.58 in — Jan 29, 1965
February 72.0°F — Feb 20, 1977 -8.0°F — Feb 6, 1899 1.70 in — Feb 5, 2025
March 82.9°F — Mar 21, 2026 3.0°F — Mar 2, 1896 1.40 in — Mar 24, 2002
April 95.0°F — Apr 24, 1977 18.0°F — Apr 3, 1972 1.70 in — Apr 28, 1933
May 102.9°F — May 25, 2003 25.0°F — May 29, 1982 1.75 in — May 29, 1990
June 108.0°F — Jun 19, 1940 21.9°F — Jun 18, 1897 1.76 in — Jun 21, 2003
July 113.0°F — Jul 14, 2002 36.0°F — Jul 1, 1968 2.49 in — Jul 4, 1978
August 115.0°F — Aug 20, 1967 36.0°F — Aug 24, 1992 1.70 in — Aug 23, 2003
September 109.9°F — Sep 3, 1950 19.9°F — Sep 25, 1984 1.35 in — Sep 23, 1917
October 95.0°F — Oct 1, 1963 5.0°F — Oct 6, 2007 1.32 in — Oct 12, 1962
November 80.1°F — Nov 14, 1999 -13.0°F — Nov 30, 1896 1.75 in — Nov 16, 1906
December 69.1°F — Dec 10, 1939 -8.0°F — Dec 17, 1964 2.00 in — Dec 21, 2017

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