Frost dates · Michigan
When is the first frost in Detroit?
In a typical year, Detroit’s first frost comes around October 27 and its last around April 20.
One year in ten the first frost comes as early as October 14, and nine years in ten it has arrived by November 9. One year in ten the last frost is over as early as April 6, and nine years in ten it is over by May 8. Detroit averages about 120 nights a year at 32°F or colder, with about 188 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around April 20. That makes it the 59th latest first frost of the 117 cities we track where it freezes most years.
Last updated
No freeze in the forecast for the next 48 hours.
Detroit’s first frost arrives in late October, about when the city finally admits summer has left the building.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | October 14 | October 27 | November 9 |
| Last frost | April 6 | April 20 | May 8 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Amarillo, Texas: first frost around October 27
- Columbus, Ohio: first frost around October 27
- Springfield, Missouri: first frost around October 27
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00094847.