Frost dates in Burlington, WY

The average last spring frost in Burlington is around May 15 and the first fall frost is around September 20. That gives Burlington an average growing season of about 128 days.

Last spring frost

Early (10% chance after)May 2
Average (50%)May 15
Late (90%)June 3

First fall frost

Early (10%)September 10
Average (50%)September 20
Late (90% chance before)October 6

See the Burlington planting calendar →