Last frost date in Biddeford, Maine
May 9
Average last frost in spring. In an early year (1 in 10) it's over by April 28; in a late year (1 in 10) it comes after May 22.
October 3
Average first frost in fall. 1 year in 10 it comes by September 20.
Source: NOAA U.S. Climate Normals 1991–2020, station Kennebunkport (USC00174193), 6.6 miles from Biddeford, elevation 20 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 28 | May 9 | May 22 |
| First frost in fall | Sept 20 | Oct 3 | Oct 19 |
Frost-free days in an average year: 146
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 20 | Sept 24 |
| Frost (32°F) | Every year | May 9 | Oct 3 |
| Hard freeze (28°F) | Every year | Apr 29 | Oct 15 |
Nights at 32°F or colder in an average year: 160
What to plant now in Biddeford
- Spring planting calendar for an average last frost around May 10 Biddeford: May 9
- Fall planting calendar for an average first frost around September 30 Biddeford: October 3
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Maine
- Portland 17 mi · last frost Apr 26
- Sanford 18 mi · last frost May 16
- Lewiston 46 mi · last frost Apr 25
- Augusta 70 mi · last frost Apr 27
- Waterville 85 mi · last frost May 2
Updated