Last frost date in Stamford, Connecticut
April 17
Average last frost in spring. In an early year (1 in 10) it's over by April 3; in a late year (1 in 10) it comes after May 2.
October 23
Average first frost in fall. 1 year in 10 it comes by October 8.
Source: NOAA U.S. Climate Normals 1991–2020, station Stamford 5 N (USC00067970), 3.1 miles from Stamford, elevation 190 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Norwalk, so its frost dates are the same as Stamford's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 17 | May 2 |
| First frost in fall | Oct 8 | Oct 23 | Nov 6 |
Frost-free days in an average year: 188
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 30 | Oct 12 |
| Frost (32°F) | Every year | Apr 17 | Oct 23 |
| Hard freeze (28°F) | Every year | Apr 3 | Nov 2 |
Nights at 32°F or colder in an average year: 119
What to plant now in Stamford
- Spring planting calendar for an average last frost around April 20 Stamford: April 17
- Fall planting calendar for an average first frost around October 20 Stamford: October 23
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 Connecticut
- Bridgeport 20 mi · last frost Apr 5
- Danbury 22 mi · last frost May 1
- Shelton 26 mi · last frost Apr 25
- New Haven 36 mi · last frost Apr 17
- Naugatuck 38 mi · last frost Apr 18
Updated