Frost dates in Petersburg, NE

The average last spring frost in Petersburg is around May 1 and the first fall frost is around October 11. That gives Petersburg an average growing season of about 163 days.

Last spring frost

Early (10% chance after)April 18
Average (50%)May 1
Late (90%)May 16

First fall frost

Early (10%)September 26
Average (50%)October 11
Late (90% chance before)October 25

See the Petersburg planting calendar →