All-time weather records — Gustavus, AK
Climate change signal in Gustavus
of Gustavus's all-time daily heat records were set in the last decade (323 of 366 records since 2015).
of all-time daily cold records were set in the last decade (300 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 | # |
|---|---|---|---|---|
| 2010s | 258 | 204 | ||
| 2020s | 108 | 162 |
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 2012, the latest in 2025. Period of observation: 2012-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 61.0°F — Jan 14, 2018 | -17.1°F — Jan 6, 2022 | 1.91 in — Jan 21, 2022 |
| February | 50.2°F — Feb 14, 2017 | -16.6°F — Feb 10, 2021 | 1.82 in — Feb 10, 2020 |
| March | 60.3°F — Mar 31, 2019 | -8.5°F — Mar 13, 2026 | 1.45 in — Mar 1, 2023 |
| April | 66.4°F — Apr 18, 2021 | 7.2°F — Apr 1, 2020 | 1.14 in — Apr 8, 2015 |
| May | 79.3°F — May 13, 2016 | 20.8°F — May 5, 2017 | 1.44 in — May 31, 2021 |
| June | 84.6°F — Jun 20, 2018 | 27.0°F — Jun 6, 2014 | 1.61 in — Jun 15, 2021 |
| July | 82.8°F — Jul 3, 2018 | 33.6°F — Jul 13, 2025 | 1.51 in — Jul 28, 2022 |
| August | 83.3°F — Aug 5, 2024 | 27.7°F — Aug 21, 2019 | 1.89 in — Aug 12, 2023 |
| September | 72.7°F — Sep 3, 2025 | 18.5°F — Sep 16, 2018 | 2.03 in — Sep 20, 2019 |
| October | 65.8°F — Oct 1, 2018 | 7.3°F — Oct 27, 2012 | 3.17 in — Oct 14, 2018 |
| November | 57.0°F — Nov 10, 2016 | -4.2°F — Nov 30, 2024 | 1.60 in — Nov 9, 2025 |
| December | 53.4°F — Dec 8, 2017 | -12.1°F — Dec 23, 2025 | 3.77 in — Dec 1, 2020 |
Click a month to see every daily record for that month in Gustavus.