Minnesota · Aitkin County · DOW 01-0204-00
Round Lake Ice-Out Dates
The ice usually goes out of Round Lake around April 14 — the second week of April. Earliest ever: April 5 (2017). Latest: May 2 (2022).
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
6 years on the books, 2003–2022. Newest first.
| Year | Ice-out date |
|---|---|
| 2022 | May 2 |
| 2021 | April 6 |
| 2020 | April 20 |
| 2017 | April 5 |
| 2005 | April 14 |
| 2003 | April 15 |
When Round freezes over
Round Lake usually freezes over around December 8 — the second week of December. Earliest on record: November 21 (2002–03). Latest: December 25 (2020–21).
A freeze-up crosses New Year, so each row is the winter it belongs to: the winter of 2025–26 froze on December 7. Newest first.
| Winter | Ice-in date |
|---|---|
| 2025–26 | December 7 |
| 2021–22 | December 8 |
| 2020–21 | December 25 |
| 2017–18 | December 12 |
| 2004–05 | December 14 |
| 2002–03 | November 21 |
Records: Minnesota DNR ice-in records. Last checked August 2026.
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.