Scranton, PA Frost Dates

The last spring frost in Scranton usually comes around April 23 and the first fall frost around October 20.

Spring (last)Fall (first)
Frost, 32°FApril 23October 20
Hard freeze, 28°FApril 10November 3

Growing season: about 178 days.

Frequently asked questions

When is the last frost in Scranton, PA?

The median date of the last spring frost (32°F) is April 23. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 23 lowers the risk for tender plants.

When is the first frost in Scranton?

The median date of the first fall frost (32°F) is October 20, and a hard freeze (28°F) usually follows around November 3.

How long is the growing season in Scranton?

About 178 days between the median last spring frost and first fall frost.

NOAA NCEI U.S. Climate Normals 1991-2020, station USW00014777. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.

Scranton weather by month · Frost dates for every city