Frost dates in Crystal, MN
The average last spring frost in Crystal is around April 27 and the first fall frost is around October 7. That gives Crystal an average growing season of about 163 days.
Last spring frost
| Early (10% chance after) | April 19 |
|---|---|
| Average (50%) | April 27 |
| Late (90%) | May 16 |
First fall frost
| Early (10%) | September 25 |
|---|---|
| Average (50%) | October 7 |
| Late (90% chance before) | October 17 |