Cedar Rapids, IA Frost Dates

The last spring frost in Cedar Rapids usually comes around April 28 and the first fall frost around October 12.

Spring (last)Fall (first)
Frost, 32°FApril 28October 12
Hard freeze, 28°FApril 17October 22

Growing season: about 166 days.

Frequently asked questions

When is the last frost in Cedar Rapids, IA?

The median date of the last spring frost (32°F) is April 28. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 28 lowers the risk for tender plants.

When is the first frost in Cedar Rapids?

The median date of the first fall frost (32°F) is October 12, and a hard freeze (28°F) usually follows around October 22.

How long is the growing season in Cedar Rapids?

About 166 days between the median last spring frost and first fall frost.

NOAA NCEI U.S. Climate Normals 1991-2020, station USC00131319. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.

Cedar Rapids weather by month · Frost dates for every city