Last frost date in Fall River, MA
The average last frost in Fall River is April 29. By May 15 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 15, which leaves 167 frost-free days. An early freeze before October 2 happens one year in ten.
- Safe after (10% risk)
- May 15
- Average first frost
- Oct 15
- Frost-free season
- 167 days
- Hard freeze (28°F) ends
- Apr 15
Frost possible in low spots Fri night, low 33°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2237°
- FriOct 2333°possible frost
- SatOct 2433°possible frost
- SunOct 2537°
- MonOct 2643°
- TueOct 2740°
- WedOct 2841°
Planting calendar for Fall River
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 17 | Apr 29 | May 15 | Oct 2 | Oct 15 | Oct 31 |
| Hard freeze, 28°F | Mar 31 | Apr 15 | Apr 30 | Oct 12 | Oct 28 | Nov 12 |
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 NEW Bedford Municipal Airport (USW00094726) sits 7.8 miles from the center of Fall River at 80 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 Fall River, MA?
The average last frost date in Fall River is April 29, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 15.
When is the first frost in Fall River?
The first frost in fall usually comes around October 15. One year in ten it arrives before October 2.
How long is the growing season in Fall River?
About 167 days between the average last and first frost.
When should I plant tomatoes in Fall River?
Plant tomato seedlings outside from May 6 to May 20. Start seeds indoors six to eight weeks earlier.
Nearby in Massachusetts
- New BedfordApr 29
- TauntonApr 22
- AttleboroApr 27
- Bridgewater TownMay 1
- North Attleborough TownApr 22
- BrocktonApr 22
- Franklin TownApr 30
- Randolph TownApr 18
- NorwoodApr 25
- Braintree TownApr 25
- Weymouth TownApr 25
- MiltonApr 18