Last frost date in Lewiston, Maine
April 25
Average last frost in spring. In an early year (1 in 10) it's over by April 11; in a late year (1 in 10) it comes after May 6.
October 19
Average first frost in fall. 1 year in 10 it comes by October 5.
Source: NOAA U.S. Climate Normals 1991–2020, station Lewiston (USC00174566), 2.3 miles from Lewiston, elevation 180 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Auburn, so its frost dates are the same as Lewiston's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 11 | Apr 25 | May 6 |
| First frost in fall | Oct 5 | Oct 19 | Nov 3 |
Frost-free days in an average year: 177
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 6 | Oct 6 |
| Frost (32°F) | Every year | Apr 25 | Oct 19 |
| Hard freeze (28°F) | Every year | Apr 11 | Nov 1 |
Nights at 32°F or colder in an average year: 141
What to plant now in Lewiston
- Spring planting calendar for an average last frost around April 20 Lewiston: April 25
- Fall planting calendar for an average first frost around October 20 Lewiston: October 19
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
- Augusta 28 mi · last frost Apr 27
- Portland 32 mi · last frost Apr 26
- Waterville 40 mi · last frost May 2
- Biddeford 46 mi · last frost May 9
- Sanford 54 mi · last frost May 16
Updated