Frost dates in Windham County, Connecticut
The average last spring frost in Windham County falls Apr 19 to May 1 and the average first fall frost Oct 9 to Oct 22, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 6b. Places: Danielson, Dayville, East Brooklyn, Lake Bungee, Lake Chaffee, Moosup. 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 |
|---|---|---|---|---|
| 06226 | Willimantic | Apr 28 | Oct 13 | 6b |
| 06234 | East Brooklyn | Apr 30 | Oct 15 | 6b |
| 06235 | Apr 30 | Oct 15 | 6b | |
| 06239 | Danielson | Apr 25 | Oct 19 | 6b |
| 06241 | Dayville | Apr 25 | Oct 19 | 6b |
| 06242 | Apr 30 | Oct 15 | 6b | |
| 06243 | Apr 25 | Oct 19 | 6b | |
| 06247 | Apr 30 | Oct 15 | 6b | |
| 06255 | Quinebaug | May 1 | Oct 9 | 6a |
| 06256 | Willimantic | Apr 28 | Oct 13 | 6b |
| 06258 | May 1 | Oct 9 | 6b | |
| 06259 | May 1 | Oct 9 | 6b | |
| 06260 | Putnam | May 1 | Oct 9 | 6b |
| 06262 | Quinebaug | May 1 | Oct 9 | 6a |
| 06263 | May 1 | Oct 9 | 6b | |
| 06264 | Apr 28 | Oct 13 | 6b | |
| 06266 | South Windham | Apr 28 | Oct 13 | 6b |
| 06277 | May 1 | Oct 9 | 6b | |
| 06278 | Lake Chaffee | Apr 19 | Oct 22 | 6b |
| 06280 | Apr 28 | Oct 13 | 6b | |
| 06281 | South Woodstock | May 1 | Oct 9 | 6b |
| 06282 | Lake Bungee | Apr 25 | Oct 13 | 6b |
| 06331 | Apr 30 | Oct 15 | 6b | |
| 06332 | Apr 30 | Oct 15 | 6b | |
| 06354 | Moosup | Apr 30 | Oct 15 | 6b |
| 06373 | Apr 25 | Oct 19 | 6b | |
| 06374 | Plainfield Village | Apr 30 | Oct 15 | 6b |
| 06377 | Apr 25 | Oct 19 | 6b | |
| 06387 | Wauregan | Apr 30 | Oct 15 | 6b |
Nearby counties
Tolland County New London County Middlesex County Hartford County New Haven County Litchfield County
All Connecticut counties · Download Connecticut frost dates (CSV)
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