Frost dates in New Haven County, Connecticut
The average last spring frost in New Haven County falls Apr 5 to Apr 26 and the average first fall frost Oct 16 to Nov 6, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Ansonia, Branford Center, Cheshire Village, Derby, East Haven, Guilford Center. 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 |
|---|---|---|---|---|
| 06401 | Ansonia | Apr 25 | Oct 17 | 6b |
| 06403 | Apr 18 | Oct 26 | 6b | |
| 06405 | Branford Center | Apr 17 | Oct 27 | 7a |
| 06410 | Cheshire Village | Apr 26 | Oct 16 | 6b |
| 06418 | Derby | Apr 25 | Oct 17 | 6b |
| 06437 | Guilford Center | Apr 17 | Oct 27 | 7a |
| 06443 | Madison Center | Apr 17 | Oct 27 | 7a |
| 06450 | Meriden | Apr 26 | Oct 16 | 6b |
| 06451 | Meriden | Apr 26 | Oct 16 | 6b |
| 06460 | Milford city (balance) | Apr 5 | Nov 6 | 7a |
| 06461 | Milford city (balance) | Apr 5 | Nov 6 | 7a |
| 06471 | Apr 17 | Oct 27 | 7a | |
| 06472 | Northford | Apr 18 | Oct 26 | 6b |
| 06473 | North Haven | Apr 18 | Oct 26 | 6b |
| 06477 | Orange | Apr 17 | Oct 27 | 7a |
| 06478 | Apr 25 | Oct 17 | 6b | |
| 06483 | Apr 25 | Oct 17 | 6b | |
| 06488 | Heritage Village | Apr 20 | Oct 20 | 6b |
| 06492 | Wallingford Center | Apr 26 | Oct 16 | 6b |
| 06510 | New Haven | Apr 17 | Oct 27 | 7a |
| 06511 | New Haven | Apr 17 | Oct 27 | 7a |
| 06512 | East Haven | Apr 17 | Oct 27 | 7a |
| 06513 | New Haven | Apr 17 | Oct 27 | 7a |
| 06514 | Apr 18 | Oct 26 | 6b | |
| 06515 | New Haven | Apr 17 | Oct 27 | 7a |
| 06516 | West Haven | Apr 17 | Oct 27 | 7a |
| 06517 | Apr 18 | Oct 26 | 7a | |
| 06518 | Quinnipiac University | Apr 18 | Oct 26 | 6b |
| 06519 | New Haven | Apr 17 | Oct 27 | 7a |
| 06524 | Apr 18 | Oct 26 | 6b | |
| 06525 | Apr 18 | Oct 26 | 6b | |
| 06702 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06704 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06705 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06706 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06708 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06710 | Waterbury | Apr 26 | Oct 16 | 6b |
| 06712 | Apr 18 | Oct 26 | 6b | |
| 06716 | Apr 26 | Oct 16 | 6b | |
| 06762 | Apr 18 | Oct 26 | 6b | |
| 06770 | Naugatuck | Apr 18 | Oct 26 | 6b |
Nearby counties
Middlesex County Fairfield County Hartford County Litchfield County Tolland County New London County
All Connecticut counties · Download Connecticut frost dates (CSV)
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