Frost dates in Fairfield County, Connecticut
The average last spring frost in Fairfield County falls Apr 5 to May 1 and the average first fall frost Oct 14 to Nov 6, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7b. Places: Ball Pond, Bethel, Bridgeport, Brookfield Center, Cos Cob, Danbury. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 06468 | Stepney | Apr 20 | Oct 20 | 6b |
| 06470 | Newtown | Apr 20 | Oct 20 | 6b |
| 06482 | Sandy Hook | Apr 20 | Oct 20 | 6b |
| 06484 | Shelton | Apr 25 | Oct 17 | 6b |
| 06604 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06605 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06606 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06607 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06608 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06610 | Bridgeport | Apr 5 | Nov 6 | 7a |
| 06611 | Trumbull Center | Apr 5 | Nov 6 | 7a |
| 06612 | Plattsville | Apr 20 | Oct 20 | 6b |
| 06614 | Oronoque | Apr 5 | Nov 6 | 7a |
| 06615 | Lordship | Apr 5 | Nov 6 | 7a |
| 06784 | Lakeside Woods | Apr 28 | Oct 16 | 6b |
| 06801 | Bethel | Apr 20 | Oct 20 | 6b |
| 06804 | Brookfield Center | Apr 20 | Oct 20 | 6b |
| 06807 | Cos Cob | Apr 17 | Oct 23 | 7a |
| 06810 | Danbury | May 1 | Oct 14 | 6b |
| 06811 | Danbury | Apr 20 | Oct 20 | 6b |
| 06812 | Ball Pond | Apr 20 | Oct 20 | 6b |
| 06820 | Tokeneke | Apr 17 | Oct 23 | 7a |
| 06824 | Murray | Apr 5 | Nov 6 | 7a |
| 06825 | Sacred Heart University | Apr 5 | Nov 6 | 7a |
| 06830 | Greenwich | Apr 12 | Oct 31 | 7a |
| 06831 | Rock Ridge | Apr 12 | Oct 31 | 7a |
| 06840 | New Canaan | Apr 17 | Oct 23 | 7a |
| 06850 | Norwalk | Apr 17 | Oct 23 | 7a |
| 06851 | Norwalk | Apr 17 | Oct 23 | 7a |
| 06853 | Norwalk | Apr 17 | Oct 23 | 7a |
| 06854 | Norwalk | Apr 17 | Oct 23 | 7a |
| 06855 | Norwalk | Apr 17 | Oct 23 | 7b |
| 06870 | Old Greenwich | Apr 17 | Oct 23 | 7b |
| 06877 | Ridgefield | May 1 | Oct 14 | 6b |
| 06878 | Riverside | Apr 17 | Oct 23 | 7b |
| 06880 | Staples | Apr 17 | Oct 23 | 7a |
| 06883 | Weston | May 1 | Oct 14 | 7a |
| 06890 | Southport | Apr 5 | Nov 6 | 7a |
| 06896 | Redding Center | May 1 | Oct 14 | 6b |
| 06897 | Georgetown | Apr 17 | Oct 23 | 7a |
| 06901 | Stamford | Apr 17 | Oct 23 | 7a |
| 06902 | Stamford | Apr 17 | Oct 23 | 7a |
| 06903 | Stamford | Apr 17 | Oct 23 | 7a |
| 06905 | Stamford | Apr 17 | Oct 23 | 7a |
| 06906 | Stamford | Apr 17 | Oct 23 | 7a |
| 06907 | Stamford | Apr 17 | Oct 23 | 7a |
Nearby counties
New Haven County Litchfield County Middlesex County Hartford County Tolland County New London County
All Connecticut counties · Download Connecticut frost dates (CSV)
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