Frost dates in Mount Rainier, MD
The average last spring frost in Mount Rainier is around April 8 and the first fall frost is around November 2. That gives Mount Rainier an average growing season of about 208 days.
Last spring frost
| Early (10% chance after) | March 24 |
|---|---|
| Average (50%) | April 8 |
| Late (90%) | April 18 |
First fall frost
| Early (10%) | October 18 |
|---|---|
| Average (50%) | November 2 |
| Late (90% chance before) | November 17 |