South Bend, IN Frost Dates

The last spring frost in South Bend usually comes around May 1 and the first fall frost around October 19.

Spring (last)Fall (first)
Frost, 32°FMay 1October 19
Hard freeze, 28°FApril 19October 31

Growing season: about 170 days.

Frequently asked questions

When is the last frost in South Bend, IN?

The median date of the last spring frost (32°F) is May 1. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past May 1 lowers the risk for tender plants.

When is the first frost in South Bend?

The median date of the first fall frost (32°F) is October 19, and a hard freeze (28°F) usually follows around October 31.

How long is the growing season in South Bend?

About 170 days between the median last spring frost and first fall frost.

NOAA NCEI U.S. Climate Normals 1991-2020, station USW00014848. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.

South Bend weather by month · Frost dates for every city