All-time weather records — Bayfield, WI
Climate change signal in Bayfield
of Bayfield's all-time daily heat records were set in the last decade (366 of 366 records since 2015).
of all-time daily cold records were set in the last decade (366 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 | 137 | 179 | ||
| 2020s | 229 | 187 |
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 2015, the latest in 2026. Period of observation: 2015-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 50.0°F — Jan 27, 2018 | -27.0°F — Jan 31, 2019 | 0.53 in — Jan 18, 2020 |
| February | 57.0°F — Feb 19, 2017 | -29.0°F — Feb 15, 2021 | 1.06 in — Feb 15, 2023 |
| March | 66.9°F — Mar 11, 2025 | -16.1°F — Mar 3, 2019 | 2.35 in — Mar 16, 2016 |
| April | 78.1°F — Apr 13, 2023 | 1.0°F — Apr 9, 2016 | 1.09 in — Apr 25, 2016 |
| May | 93.9°F — May 7, 2016 | 25.0°F — May 8, 2017 | 2.09 in — May 27, 2020 |
| June | 98.1°F — Jun 21, 2022 | 32.0°F — Jun 13, 2020 | 2.82 in — Jun 19, 2024 |
| July | 93.9°F — Jul 5, 2021 | 42.1°F — Jul 1, 2024 | 2.10 in — Jul 12, 2016 |
| August | 91.9°F — Aug 14, 2018 | 39.9°F — Aug 25, 2017 | 2.51 in — Aug 28, 2018 |
| September | 89.1°F — Sep 2, 2022 | 32.0°F — Sep 29, 2018 | 2.20 in — Sep 9, 2025 |
| October | 88.0°F — Oct 5, 2025 | 16.0°F — Oct 27, 2020 | 2.20 in — Oct 3, 2017 |
| November | 79.0°F — Nov 7, 2020 | 7.0°F — Nov 12, 2019 | 1.65 in — Nov 12, 2015 |
| December | 55.0°F — Dec 15, 2023 | -20.9°F — Dec 27, 2017 | 2.21 in — Dec 1, 2019 |
Click a month to see every daily record for that month in Bayfield.