Frost/Freeze Dates

With cooler weather approaching, many gardeners and farmers are asking about the average first frost/freeze dates for this region. These dates come from the the National Weather Service in Blackburg and are derived from climate data.

Here are the average first frost/freeze dates:

ROANOKE
First Frost Date: Oct 08
First Freeze Date: Oct 19

LYNCHBURG
First Frost Date: Oct 13
First Freeze Date: Oct 25

DANVILLE
First Frost Date: Oct 18
First Frost Date: Oct 27

BLACKSBURG
First Frost Date: Sep 27
First Freeze Date: Oct 06

TERMINOLOGY:

Frost Advisory: Issued at the end of the growing season in conjunction with forecast low temperatures of 33 and 36 degrees and prime radiational cooling conditions.

Freeze Warning: Issued in conjunction with forecast low temperatures of less than or equal to 32 degrees (with or without frost) across half or more of the zone ground. Once an area experiences widespread freeze, the warning will not be issued for subsequent freezes.

--Brent