Frost dates in Philo, IL
The average last spring frost in Philo is around May 1 and the first fall frost is around October 5. That gives Philo an average growing season of about 157 days.
Last spring frost
| Early (10% chance after) | April 17 |
|---|---|
| Average (50%) | May 1 |
| Late (90%) | May 26 |
First fall frost
| Early (10%) | September 18 |
|---|---|
| Average (50%) | October 5 |
| Late (90% chance before) | October 24 |