All-time weather records — Heyburn, ID

Record high
107.1°F
July 30, 2000
Record low
-29.9°F
January 22, 1962
Wettest day
1.75 in
December 23, 1964

Climate change signal in Heyburn

12.8%

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

4.9%

of all-time daily cold records were set in the last decade (18 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
7
22
1950s
62
90
1960s
39
67
1970s
33
61
1980s
43
57
1990s
98
17
2000s
24
26
2010s
27
20
2020s
33
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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 31, 2003 -29.9°F — Jan 22, 1962 0.85 in — Jan 12, 1980
February 72.0°F — Feb 24, 1995 -26.0°F — Feb 1, 1985 1.72 in — Feb 17, 1986
March 80.1°F — Mar 20, 2026 -2.9°F — Mar 1, 1993 1.19 in — Mar 31, 2024
April 89.1°F — Apr 20, 1994 12.0°F — Apr 6, 1983 0.81 in — Apr 19, 2005
May 97.0°F — May 19, 1954 19.0°F — May 1, 1967 1.47 in — May 11, 2010
June 102.0°F — Jun 28, 2015 28.9°F — Jun 2, 1954 0.87 in — Jun 26, 1988
July 107.1°F — Jul 30, 2000 33.1°F — Jul 8, 1981 1.00 in — Jul 12, 1952
August 105.1°F — Aug 8, 1990 30.9°F — Aug 31, 1965 1.18 in — Aug 20, 1968
September 100.9°F — Sep 6, 2022 18.0°F — Sep 18, 1965 1.08 in — Sep 22, 2016
October 91.0°F — Oct 1, 1992 6.3°F — Oct 30, 2019 1.26 in — Oct 24, 2010
November 79.0°F — Nov 3, 1962 -14.1°F — Nov 15, 1955 1.04 in — Nov 17, 1983
December 64.9°F — Dec 1, 1995 -23.1°F — Dec 11, 1972 1.75 in — Dec 23, 1964

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