Frost dates in Shoshoni, WY
The average last spring frost in Shoshoni is around May 9 and the first fall frost is around September 29. That gives Shoshoni an average growing season of about 143 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | May 9 |
| Late (90%) | May 22 |
First fall frost
| Early (10%) | September 15 |
|---|---|
| Average (50%) | September 29 |
| Late (90% chance before) | October 13 |