Frost dates in Lander, WY
The average last spring frost in Lander is around May 30 and the first fall frost is around September 17. That gives Lander an average growing season of about 110 days.
Last spring frost
| Early (10% chance after) | May 10 |
|---|---|
| Average (50%) | May 30 |
| Late (90%) | June 17 |
First fall frost
| Early (10%) | September 8 |
|---|---|
| Average (50%) | September 17 |
| Late (90% chance before) | September 25 |