Pueblo, CO Frost Dates

The last spring frost in Pueblo usually comes around April 30 and the first fall frost around October 9.

Spring (last)Fall (first)
Frost, 32°FApril 30October 9
Hard freeze, 28°FApril 19October 18

Growing season: about 161 days.

Frequently asked questions

When is the last frost in Pueblo, CO?

The median date of the last spring frost (32°F) is April 30. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 30 lowers the risk for tender plants.

When is the first frost in Pueblo?

The median date of the first fall frost (32°F) is October 9, and a hard freeze (28°F) usually follows around October 18.

How long is the growing season in Pueblo?

About 161 days between the median last spring frost and first fall frost.

NOAA NCEI U.S. Climate Normals 1991-2020, station USW00093058. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.

Pueblo weather by month · Frost dates for every city