Reading, PA Frost Dates

The last spring frost in Reading usually comes around April 14 and the first fall frost around October 29.

Spring (last)Fall (first)
Frost, 32°FApril 14October 29
Hard freeze, 28°FApril 1November 8

Growing season: about 197 days.

Frequently asked questions

When is the last frost in Reading, PA?

The median date of the last spring frost (32°F) is April 14. In half of years the last frost comes earlier and in half it comes later, so waiting a week or two past April 14 lowers the risk for tender plants.

When is the first frost in Reading?

The median date of the first fall frost (32°F) is October 29, and a hard freeze (28°F) usually follows around November 8.

How long is the growing season in Reading?

About 197 days between the median last spring frost and first fall frost.

NOAA NCEI U.S. Climate Normals 1991-2020, station USW00014712. Median (50% probability) dates. Low spots and valleys can frost later in spring and earlier in fall than the station.

Reading weather by month · Frost dates for every city