All-time weather records — Fort Pierre, SD
Climate change signal in Fort Pierre
of Fort Pierre's all-time daily heat records were set in the last decade (35 of 366 records since 2015).
of all-time daily cold records were set in the last decade (25 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 | · | · | ||
| 1900s | · | · | ||
| 1910s | · | · | ||
| 1920s | · | · | ||
| 1930s | 72 | 27 | ||
| 1940s | 39 | 41 | ||
| 1950s | 30 | 51 | ||
| 1960s | 26 | 49 | ||
| 1970s | 30 | 41 | ||
| 1980s | 43 | 44 | ||
| 1990s | 39 | 39 | ||
| 2000s | 40 | 26 | ||
| 2010s | 22 | 33 | ||
| 2020s | 25 | 15 |
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 1933, the latest in 2026. Period of observation: 1893-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 68.0°F — Jan 23, 1981 | -33.0°F — Jan 29, 1966 | 1.02 in — Jan 9, 1939 |
| February | 75.0°F — Mar 1, 1992 | -35.0°F — Feb 9, 1994 | 1.28 in — Feb 19, 1952 |
| March | 88.0°F — Mar 18, 2012 | -19.8°F — Mar 1, 2014 | 2.23 in — Mar 14, 1942 |
| April | 98.1°F — Apr 21, 1980 | 0.1°F — Apr 4, 2018 | 2.13 in — Apr 26, 1964 |
| May | 105.1°F — May 27, 1969 | 21.2°F — May 3, 2013 | 2.72 in — May 13, 1982 |
| June | 111.9°F — Jun 24, 1988 | 34.0°F — Jun 3, 1998 | 3.33 in — Jun 9, 1971 |
| July | 117.0°F — Jul 15, 2006 | 42.1°F — Jul 1, 1959 | 4.00 in — Jul 25, 1984 |
| August | 114.1°F — Aug 14, 1937 | 39.0°F — Aug 12, 1964 | 3.52 in — Aug 2, 1953 |
| September | 108.0°F — Sep 2, 1983 | 21.0°F — Sep 22, 1995 | 2.74 in — Sep 2, 1999 |
| October | 98.1°F — Oct 2, 1997 | 2.1°F — Oct 27, 2020 | 2.54 in — Oct 6, 2007 |
| November | 87.1°F — Nov 8, 1999 | -18.0°F — Nov 14, 1959 | 1.77 in — Nov 2, 1956 |
| December | 77.0°F — Dec 1, 1998 | -31.0°F — Dec 30, 1990 | 0.97 in — Dec 31, 2010 |
Click a month to see every daily record for that month in Fort Pierre.