All-time weather records — Box Elder, SD

Record high
111.0°F
July 15, 2006
Record low
-31.0°F
February 2, 1996
Wettest day
3.78 in
June 15, 1963

Climate change signal in Box Elder

18.6%

of Box Elder's all-time daily heat records were set in the last decade (68 of 366 records since 2015).

14.2%

of all-time daily cold records were set in the last decade (52 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
10
9
1950s
42
46
1960s
41
45
1970s
25
45
1980s
48
55
1990s
48
51
2000s
63
45
2010s
42
36
2020s
47
34

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 75.9°F — Jan 12, 1987 -27.0°F — Jan 4, 1950 1.20 in — Jan 3, 2025
February 75.0°F — Feb 24, 1995 -31.0°F — Feb 2, 1996 0.87 in — Feb 9, 1953
March 87.1°F — Mar 21, 2026 -20.9°F — Mar 8, 1996 1.39 in — Mar 16, 1963
April 93.0°F — Apr 22, 1989 -0.8°F — Apr 3, 2020 3.19 in — Apr 5, 1997
May 98.1°F — May 27, 1969 18.0°F — May 1, 1950 3.21 in — May 14, 1965
June 109.0°F — Jun 26, 2012 30.9°F — Jun 1, 1951 3.78 in — Jun 15, 1963
July 111.0°F — Jul 15, 2006 39.0°F — Jul 1, 1959 2.46 in — Jul 15, 2015
August 107.1°F — Aug 13, 2007 37.0°F — Aug 31, 2020 2.60 in — Aug 4, 1982
September 104.0°F — Sep 2, 1960 18.0°F — Sep 24, 1985 2.13 in — Sep 13, 1966
October 96.1°F — Oct 2, 2011 -6.9°F — Oct 26, 2020 2.49 in — Oct 9, 1982
November 82.9°F — Nov 7, 1999 -18.9°F — Nov 14, 1959 0.68 in — Nov 19, 1977
December 75.0°F — Dec 2, 2021 -29.9°F — Dec 30, 1990 1.04 in — Dec 31, 1975

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