Frost dates in Sundance, WY
The average last spring frost in Sundance is around May 23 and the first fall frost is around September 18. That gives Sundance an average growing season of about 118 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | May 23 |
| Late (90%) | June 13 |
First fall frost
| Early (10%) | September 5 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 4 |