Last frost date in Leominster, Massachusetts
April 29
Average last frost in spring. In an early year (1 in 10) it's over by April 19; in a late year (1 in 10) it comes after May 13.
October 11
Average first frost in fall. 1 year in 10 it comes by October 1.
Source: NOAA U.S. Climate Normals 1991–2020, station Fitchburg Muni AP (USW00004780), 2.3 miles from Leominster, elevation 348 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 19 | Apr 29 | May 13 |
| First frost in fall | Oct 1 | Oct 11 | Oct 27 |
Frost-free days in an average year: 164
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 9 | Oct 1 |
| Frost (32°F) | Every year | Apr 29 | Oct 11 |
| Hard freeze (28°F) | Every year | Apr 16 | Oct 23 |
Nights at 32°F or colder in an average year: 137
What to plant now in Leominster
- Spring planting calendar for an average last frost around April 30 Leominster: April 29
- Fall planting calendar for an average first frost around October 10 Leominster: October 11
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 Massachusetts
- Fitchburg 6 mi · last frost May 1
- Gardner 12 mi · last frost May 2
- Marlborough 16 mi · last frost May 2
- Worcester 17 mi · last frost Apr 23
- Framingham 23 mi · last frost Apr 26
Updated