Frost dates in Bartlett, IL
The average last spring frost in Bartlett is around May 5 and the first fall frost is around October 9. That gives Bartlett an average growing season of about 157 days.
Last spring frost
| Early (10% chance after) | April 25 |
|---|---|
| Average (50%) | May 5 |
| Late (90%) | May 28 |
First fall frost
| Early (10%) | October 2 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 22 |