All-time weather records — Rolette, ND
Climate change signal in Rolette
of Rolette's all-time daily heat records were set in the last decade (133 of 366 records since 2015).
of all-time daily cold records were set in the last decade (136 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 | · | · | ||
| 1950s | · | · | ||
| 1990s | 17 | 1 | ||
| 2000s | 168 | 152 | ||
| 2010s | 101 | 140 | ||
| 2020s | 80 | 73 |
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 1999, the latest in 2025. Period of observation: 1949-2025.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 48.9°F — Jan 6, 2012 | -43.1°F — Jan 30, 2019 | 0.70 in — Jan 24, 2010 |
| February | 53.1°F — Feb 23, 2002 | -42.0°F — Feb 9, 2019 | 0.90 in — Feb 25, 2000 |
| March | 72.0°F — Mar 20, 2012 | -36.0°F — Mar 2, 2014 | 1.30 in — Mar 28, 2007 |
| April | 84.0°F — Apr 13, 2003 | -8.0°F — Apr 1, 2013 | 1.76 in — Apr 24, 2008 |
| May | 91.0°F — May 26, 2018 | 12.9°F — May 2, 2002 | 4.16 in — May 4, 1999 |
| June | 102.0°F — Jun 5, 2021 | 23.0°F — Jun 6, 2004 | 2.52 in — Jun 29, 2018 |
| July | 99.0°F — Jul 24, 2007 | 30.0°F — Jul 14, 2002 | 2.70 in — Jul 9, 2011 |
| August | 99.0°F — Aug 16, 2021 | 32.0°F — Aug 20, 2004 | 2.90 in — Aug 21, 2008 |
| September | 96.1°F — Sep 4, 2015 | 19.9°F — Sep 23, 2012 | 2.60 in — Sep 10, 2010 |
| October | 86.0°F — Oct 6, 2021 | -2.0°F — Oct 31, 2023 | 1.65 in — Oct 14, 2021 |
| November | 69.1°F — Nov 3, 2022 | -25.1°F — Nov 24, 2013 | 1.10 in — Nov 1, 2000 |
| December | 52.0°F — Dec 5, 2015 | -44.0°F — Dec 18, 2008 | 2.05 in — Dec 23, 2015 |
Click a month to see every daily record for that month in Rolette.