Lowell, MA Frost Dates
The last spring frost in Lowell usually comes around April 21 and the first fall frost around October 21.
| Spring (last) | Fall (first) | |
|---|---|---|
| Frost, 32°F | April 21 | October 21 |
| Hard freeze, 28°F | April 7 | November 1 |
Growing season: about 182 days.
Frequently asked questions
When is the last frost in Lowell, MA?
The median date of the last spring frost (32°F) is April 21. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 21 lowers the risk for tender plants.
When is the first frost in Lowell?
The median date of the first fall frost (32°F) is October 21, and a hard freeze (28°F) usually follows around November 1.
How long is the growing season in Lowell?
About 182 days between the median last spring frost and first fall frost.
NOAA NCEI U.S. Climate Normals 1991-2020, station USW00094723. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.