Minnesota · Aitkin County
Rock Lake Ice-Out Dates
The ice usually goes out of Rock Lake around April 7 — the first week of April. Earliest ever: March 29 (2016). Latest: May 8 (2013).
April 7Usually around
March 29Earliest ever (2016)
May 8Latest ever (2013)
5Years of record (2013–2017)
The 2027 season
Tracking resumes when the ice forms.
Every recorded ice-out
5 years on the books, 2013–2017. Newest first.
| Year | Ice-out date |
|---|---|
| 2017 | April 1 |
| 2016 | March 29 |
| 2015 | April 7 |
| 2014 | April 26 |
| 2013 | May 8 |
Late ice is unpredictable — no date on this page says the ice is safe.
Records: Minnesota DNR ice-out records. Last checked August 2026.