Last frost date in St. Marys, Georgia

February 19

Average last frost in spring. In an early year (1 in 10) it's over by January 19; in a late year (1 in 10) it comes after March 14.

December 14

Average first frost in fall. 1 year in 10 it comes by November 21.

A 32°F night happens here about 10 years in 10; in those years these are the usual dates.

Source: NOAA U.S. Climate Normals 1991–2020, station Brunswick 23 S (USW00063856), 7.9 miles from St. Marys, elevation 25 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for St. Marys, Georgia
Early yearAverageLate year
Last frost in springJan 19Feb 19Mar 14
First frost in fallNov 21Dec 14Jan 15

An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.

Frost-free days in an average year: 299

Planting calendar for St. Marys

Fall planting

USDA dates for places whose average first freeze is about December 10 (St. Marys: December 14).

USDA lists horseradish as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about February 18 (St. Marys: February 19).

USDA lists chinese cabbage, garlic as generally fall-planted here.

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.

Nearby in Georgia

All 101 places in Georgia