Frost dates in Brimson, MO
The average last spring frost in Brimson is around April 22 and the first fall frost is around October 10. That gives Brimson an average growing season of about 171 days.
Last spring frost
| Early (10% chance after) | April 8 |
|---|---|
| Average (50%) | April 22 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | September 24 |
|---|---|
| Average (50%) | October 10 |
| Late (90% chance before) | October 28 |