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

Frost-free days in an average year: 287

Light frost, frost and hard freeze in Bay St. Louis
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearMar 10Nov 19
Frost (32°F)10 years in 10Feb 21Dec 3
Hard freeze (28°F)9 years in 10Feb 2Dec 25

Nights at 32°F or colder in an average year: 18

What to plant now in Bay St. Louis

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

Nearby in Mississippi

All 41 places in Mississippi

Updated