All-time weather records — Ephraim, WI
Climate change signal in Ephraim
of Ephraim's all-time daily heat records were set in the last decade (209 of 366 records since 2015).
of all-time daily cold records were set in the last decade (198 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 | 24 | 39 | ||
| 2010s | 242 | 232 | ||
| 2020s | 100 | 95 |
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 2008, the latest in 2026. Period of observation: 2008-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 54.0°F — Jan 11, 2012 | -22.0°F — Jan 28, 2014 | 1.42 in — Jan 9, 2026 |
| February | 57.0°F — Feb 22, 2017 | -20.0°F — Feb 28, 2014 | 0.80 in — Feb 11, 2013 |
| March | 82.0°F — Mar 22, 2012 | -13.0°F — Mar 3, 2014 | 3.00 in — Mar 17, 2026 |
| April | 80.1°F — Apr 16, 2010 | 6.1°F — Apr 8, 2018 | 1.42 in — Apr 1, 2023 |
| May | 88.0°F — May 26, 2018 | 24.1°F — May 13, 2020 | 2.27 in — May 8, 2024 |
| June | 90.0°F — Jun 6, 2021 | 33.1°F — Jun 3, 2019 | 3.43 in — Jun 17, 2018 |
| July | 96.1°F — Jul 21, 2011 | 41.0°F — Jul 2, 2015 | 2.72 in — Jul 18, 2008 |
| August | 89.1°F — Aug 5, 2012 | 37.0°F — Aug 31, 2009 | 2.12 in — Aug 3, 2023 |
| September | 90.0°F — Sep 4, 2023 | 32.0°F — Sep 19, 2020 | 6.25 in — Sep 5, 2014 |
| October | 78.1°F — Oct 3, 2023 | 23.0°F — Oct 31, 2020 | 2.10 in — Oct 25, 2023 |
| November | 73.0°F — Nov 7, 2020 | 7.0°F — Nov 28, 2014 | 1.74 in — Nov 11, 2020 |
| December | 57.9°F — Dec 4, 2012 | -11.0°F — Dec 30, 2013 | 2.08 in — Dec 14, 2015 |
Click a month to see every daily record for that month in Ephraim.