Frost dates in Buffalo, WY

The average last spring frost in Buffalo is around May 20 and the first fall frost is around September 19. That gives Buffalo an average growing season of about 122 days.

Last spring frost

Early (10% chance after)May 4
Average (50%)May 20
Late (90%)June 9

First fall frost

Early (10%)September 6
Average (50%)September 19
Late (90% chance before)October 9

See the Buffalo planting calendar →