Frost dates in Ponderay, ID
The average last spring frost in Ponderay is around May 17 and the first fall frost is around September 18. That gives Ponderay an average growing season of about 124 days.
Last spring frost
| Early (10% chance after) | April 30 |
|---|---|
| Average (50%) | May 17 |
| Late (90%) | June 6 |
First fall frost
| Early (10%) | September 1 |
|---|---|
| Average (50%) | September 18 |
| Late (90% chance before) | October 8 |