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Frost dates for Steamboat Springs, Colorado

In a typical year, Steamboat Springs’s last spring frost lands around Jun 9 and the first fall frost around Sep 12, a growing season of about 95 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 4b.

Right now the typical frost season has arrived; planting waits for spring.

Last spring frost and first fall frost odds for Steamboat Springs, Colorado
OddsLast spring frostFirst fall frost
10 percentMay 25Aug 31
50 percentJun 9Sep 12
90 percentJun 24Sep 24

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 Steamboat Springs is typically around 42°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

See what is plantable in your ZIP with the what-to-plant lookup.

Common questions

When is the last frost in Steamboat Springs, Colorado?

Steamboat Springs’s last spring frost falls around June 9 in a typical year. One year in ten it is done by May 25, and one year in ten frost holds on until June 24. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Steamboat Springs?

The first fall frost arrives around September 12 in a typical year, as early as August 31 in an early year and as late as September 24 in a late one.

How long is the growing season in Steamboat Springs?

About 95 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Steamboat Springs in?

Steamboat Springs is in USDA hardiness zone 4b 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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