Last frost date in Bridgeport, Connecticut
April 5
Average last frost in spring. In an early year (1 in 10) it's over by March 25; in a late year (1 in 10) it comes after April 17.
November 6
Average first frost in fall. 1 year in 10 it comes by October 25.
Source: NOAA U.S. Climate Normals 1991–2020, station Bridgeport Sikorsky Mem AP (USW00094702), 4 miles from Bridgeport, elevation 5 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Milford, so its frost dates are the same as Bridgeport's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 25 | Apr 5 | Apr 17 |
| First frost in fall | Oct 25 | Nov 6 | Nov 20 |
Frost-free days in an average year: 216
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 16 | Oct 26 |
| Frost (32°F) | Every year | Apr 5 | Nov 6 |
| Hard freeze (28°F) | Every year | Mar 26 | Nov 19 |
Nights at 32°F or colder in an average year: 92
What to plant now in Bridgeport
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Bridgeport: April 5
- Fall planting calendar for an average first frost around November 10 Bridgeport: November 6
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
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