Minnesota · Le Sueur County
Jefferson Lake Ice-Out Dates
The ice usually goes out of Jefferson Lake around March 29 — the fourth week of March. Earliest ever: March 1 (2024). Latest: April 29 (2018).
March 29Usually around
March 1Earliest ever (2024)
April 29Latest ever (2018)
9Years of record (2014–2025)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
9 years on the books, 2014–2025. Newest first.
| Year | Ice-out date |
|---|---|
| 2025 | March 15 |
| 2024 | March 1 |
| 2022 | April 6 |
| 2020 | March 29 |
| 2019 | April 6 |
| 2018 | April 29 |
| 2016 | March 12 |
| 2015 | March 12 |
| 2014 | April 13 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.