All-time weather records — Richfield, ID

Record high
105.1°F
July 2, 1924
Record low
-40.0°F
February 9, 1933
Wettest day
2.00 in
November 16, 1930

Climate change signal in Richfield

12.8%

of Richfield's all-time daily heat records were set in the last decade (47 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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 #
1910s
33
90
1920s
34
41
1930s
56
53
1940s
10
43
1950s
14
19
1960s
17
22
1970s
6
24
1980s
44
26
1990s
72
19
2000s
26
11
2010s
24
14
2020s
30
4

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 1910, the latest in 2026. Period of observation: 1910-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 79.0°F — Jan 2, 1982 -38.0°F — Jan 21, 1937 1.86 in — Jan 31, 1963
February 66.9°F — Feb 3, 1991 -40.0°F — Feb 9, 1933 1.08 in — Feb 18, 1986
March 77.0°F — Mar 18, 2026 -18.0°F — Mar 1, 1922 1.24 in — Mar 5, 1991
April 90.0°F — Apr 30, 1992 0.0°F — Apr 3, 1917 1.01 in — Apr 21, 1944
May 99.0°F — May 29, 2003 16.0°F — May 1, 1946 1.11 in — May 12, 1958
June 102.9°F — Jun 29, 2015 21.0°F — Jun 14, 1925 1.27 in — Jun 10, 1963
July 105.1°F — Jul 2, 1924 6.1°F — Jul 31, 2007 1.36 in — Jul 28, 1984
August 105.1°F — Aug 9, 1990 25.0°F — Aug 23, 1925 1.33 in — Aug 20, 1968
September 102.9°F — Sep 6, 2022 14.0°F — Sep 26, 1934 1.21 in — Sep 18, 1948
October 91.0°F — Oct 12, 1934 -0.9°F — Oct 30, 2019 1.44 in — Oct 2, 1946
November 72.0°F — Nov 1, 1965 -20.0°F — Nov 16, 1955 2.00 in — Nov 16, 1930
December 64.0°F — Dec 10, 1939 -36.0°F — Dec 22, 1990 1.66 in — Dec 22, 1964

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