Frost dates in Wetonka, SD
The average last spring frost in Wetonka is around May 12 and the first fall frost is around September 24. That gives Wetonka an average growing season of about 135 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 12 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | September 13 |
|---|---|
| Average (50%) | September 24 |
| Late (90% chance before) | October 6 |