Last frost date in Bay St. Louis, Mississippi

February 21

Average last frost in spring. In an early year (1 in 10) it's over by January 25; in a late year (1 in 10) it comes after March 18.

December 3

Average first frost in fall. 1 year in 10 it comes by November 13.

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 Waveland (USC00229426), 2.5 miles from Bay St. Louis, elevation 8 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

What to plant now

Frost dates for Bay St. Louis, Mississippi
Early yearAverageLate year
Last frost in springJan 25Feb 21Mar 18
First frost in fallNov 13Dec 3Jan 2

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: 287

Planting calendar for Bay St. Louis

Fall planting

USDA dates for places whose average first freeze is about November 30 (Bay St. Louis: December 3).

USDA lists horseradish as generally spring-planted here.

Spring planting

USDA dates for places whose average last freeze is about February 18 (Bay St. Louis: February 21).

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 Mississippi

All 41 places in Mississippi