Last frost date in Sanford, Maine
May 16
Average last frost in spring. In an early year (1 in 10) it's over by May 2; in a late year (1 in 10) it comes after May 29.
September 30
Average first frost in fall. 1 year in 10 it comes by September 18.
Source: NOAA U.S. Climate Normals 1991–2020, station Sanford 2 Nnw (USC00177479), 2.6 miles from Sanford, elevation 289 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | May 2 | May 16 | May 29 |
| First frost in fall | Sept 18 | Sept 30 | Oct 10 |
Frost-free days in an average year: 136
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 26 | Sept 20 |
| Frost (32°F) | Every year | May 16 | Sept 30 |
| Hard freeze (28°F) | Every year | May 2 | Oct 7 |
Nights at 32°F or colder in an average year: 156
What to plant now in Sanford
- Spring planting calendar for an average last frost around May 20 Sanford: May 16
- Fall planting calendar for an average first frost around September 30 Sanford: September 30
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
- Biddeford 18 mi · last frost May 9
- Portland 32 mi · last frost Apr 26
- Lewiston 54 mi · last frost Apr 25
- Augusta 81 mi · last frost Apr 27
- Waterville 95 mi · last frost May 2
Updated