All-time weather records — Portal, ND
Climate change signal in Portal
of Portal's all-time daily heat records were set in the last decade (239 of 366 records since 2015).
of all-time daily cold records were set in the last decade (204 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 | # |
|---|---|---|---|---|
| 2000s | 54 | 78 | ||
| 2010s | 171 | 177 | ||
| 2020s | 141 | 111 |
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 2006, the latest in 2026. Period of observation: 2006-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 52.9°F — Jan 5, 2012 | -38.6°F — Jan 30, 2019 | 0.31 in — Jan 26, 2012 |
| February | 52.5°F — Feb 26, 2016 | -40.7°F — Feb 18, 2025 | 0.41 in — Feb 18, 2026 |
| March | 75.2°F — Mar 25, 2007 | -29.9°F — Mar 1, 2014 | 1.29 in — Mar 17, 2013 |
| April | 85.5°F — Apr 24, 2012 | -9.6°F — Apr 18, 2022 | 0.97 in — Apr 23, 2022 |
| May | 92.1°F — May 12, 2025 | 18.9°F — May 4, 2021 | 1.87 in — May 21, 2021 |
| June | 95.4°F — Jun 27, 2020 | 29.8°F — Jun 2, 2009 | 4.08 in — Jun 22, 2016 |
| July | 101.1°F — Jul 24, 2007 | 36.5°F — Jul 5, 2023 | 3.69 in — Jul 8, 2009 |
| August | 102.9°F — Aug 12, 2018 | 32.5°F — Aug 29, 2007 | 2.00 in — Aug 7, 2025 |
| September | 95.5°F — Sep 2, 2023 | 18.0°F — Sep 14, 2007 | 1.81 in — Sep 13, 2025 |
| October | 90.7°F — Oct 5, 2021 | -2.4°F — Oct 31, 2023 | 2.86 in — Oct 3, 2016 |
| November | 73.6°F — Nov 6, 2009 | -25.8°F — Nov 26, 2014 | 0.64 in — Nov 28, 2016 |
| December | 51.4°F — Dec 6, 2015 | -36.0°F — Dec 30, 2017 | 0.50 in — Dec 8, 2023 |
Click a month to see every daily record for that month in Portal.