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Frost dates for Rolla, Missouri

In a typical year, Rolla’s last spring frost lands around Apr 5 and the first fall frost around Nov 1, a growing season of about 210 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 6b.

Right now the growing season is open, with about 7 days until the typical first fall frost.

Last spring frost and first fall frost odds for Rolla, Missouri
OddsLast spring frostFirst fall frost
10 percentMar 21Oct 18
50 percentApr 5Nov 1
90 percentApr 22Nov 15

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Rolla is typically around 56°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

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Common questions

When is the last frost in Rolla, Missouri?

Rolla’s last spring frost falls around April 5 in a typical year. One year in ten it is done by March 21, and one year in ten frost holds on until April 22. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Rolla?

The first fall frost arrives around November 1 in a typical year, as early as October 18 in an early year and as late as November 15 in a late one.

How long is the growing season in Rolla?

About 210 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Rolla in?

Rolla is in USDA hardiness zone 6b under the 2023 USDA Plant Hardiness Zone Map.

Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.

Nearby cities

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