Frost dates in Eagle Butte, SD
The average last spring frost in Eagle Butte is around May 27 and the first fall frost is around September 16. That gives Eagle Butte an average growing season of about 112 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | May 27 |
| Late (90%) | June 15 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | September 16 |
| Late (90% chance before) | October 18 |