Last frost date in Amherst Town, Massachusetts
May 5
Average last frost in spring. In an early year (1 in 10) it's over by April 23; in a late year (1 in 10) it comes after May 19.
October 8
Average first frost in fall. 1 year in 10 it comes by September 28.
Source: NOAA U.S. Climate Normals 1991–2020, station Amherst (USC00190120), 2.2 miles from Amherst Town, elevation 145 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Northampton, so its frost dates are the same as Amherst Town's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 23 | May 5 | May 19 |
| First frost in fall | Sept 28 | Oct 8 | Oct 23 |
Frost-free days in an average year: 156
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 17 | Sept 30 |
| Frost (32°F) | Every year | May 5 | Oct 8 |
| Hard freeze (28°F) | Every year | Apr 23 | Oct 21 |
Nights at 32°F or colder in an average year: 153
What to plant now in Amherst Town
- Spring planting calendar for an average last frost around April 30 Amherst Town: May 5
- Fall planting calendar for an average first frost around October 10 Amherst Town: October 8
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
- Palmer Town 16 mi · last frost May 3
- Springfield 17 mi · last frost May 3
- Greenfield 18 mi · last frost May 1
- Gardner 31 mi · last frost May 2
- Southbridge Town 32 mi · last frost Apr 25
Updated