Frost dates · Indiana
When is the first frost in South Bend?
In a typical year, South Bend’s first frost comes around October 19 and its last around May 1.
One year in ten the first frost comes as early as October 5, and nine years in ten it has arrived by November 1. One year in ten the last frost is over as early as April 16, and nine years in ten it is over by May 17. South Bend averages about 126 nights a year at 32°F or colder, with about 170 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around May 1. That makes it the 37th earliest 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.
South Bend keeps frost until May, which feels unnecessary for a city that already has lake-effect everything.
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 5 | October 19 | November 1 |
| Last frost | April 16 | May 1 | May 17 |
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
- Syracuse, New York: first frost around October 19
- Des Moines, Iowa: first frost around October 20
- Grand Rapids, Michigan: first frost around October 20
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014848.