Last frost date in Springfield, MA
The average last frost in Springfield is May 3. By May 17 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 8, which leaves 158 frost-free days. An early freeze before September 26 happens one year in ten.
- Safe after (10% risk)
- May 17
- Average first frost
- Oct 8
- Frost-free season
- 158 days
- Hard freeze (28°F) ends
- Apr 21
Frost likely Fri night, low 29°F
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2235°possible frost
- FriOct 2329°frost
- SatOct 2430°frost
- SunOct 2533°possible frost
- MonOct 2641°
- TueOct 2738°
- WedOct 2840°
Planting calendar for Springfield
Windows count forward or back from the average frost dates above. Click a crop for dates across Massachusetts.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 20 | May 3 | May 17 | Sep 26 | Oct 8 | Oct 25 |
| Hard freeze, 28°F | Apr 6 | Apr 21 | May 5 | Oct 6 | Oct 20 | Nov 5 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Westfield Barnes Municipal Airport (USW00014775) sits 9.5 miles from the center of Springfield at 271 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Springfield, MA?
The average last frost date in Springfield is May 3, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 17.
When is the first frost in Springfield?
The first frost in fall usually comes around October 8. One year in ten it arrives before September 26.
How long is the growing season in Springfield?
About 158 days between the average last and first frost.
When should I plant tomatoes in Springfield?
Plant tomato seedlings outside from May 10 to May 24. Start seeds indoors six to eight weeks earlier.
Nearby in Massachusetts
- ChicopeeMay 3
- West Springfield TownMay 3
- Agawam TownMay 3
- HolyokeMay 3
- WestfieldMay 3
- NorthamptonMay 5
- Amherst TownMay 5
- WorcesterApr 23
- GardnerMay 2
- PittsfieldMay 5
- LeominsterApr 29
- FitchburgMay 1