When is the last frost in Biloxi, MS?

For ZIP code 39531, the average last spring frost (32°F) is February 12, based on NOAA 1991-2020 climate normals for the Biloxi, MS weather station. There is a 1-in-10 chance of a frost after March 11.

When is the first frost in Biloxi, MS?

The average first fall frost (32°F) is December 14. There is a 1-in-10 chance of frost by November 16, so tender plants are at risk from that point on.

How long is the growing season in 39531?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 days long.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 39531Biloxi, MS

The average last spring frost in Biloxi is February 12 and the average first fall frost is December 14, giving a typical growing season of about 301 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 12
Average first fall frost: Dec 14
Growing season: 301 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Feb 6 · Mar 1 · Mar 20	Nov 6 · Nov 26 · Dec 23	270 days	100%
Frost / freeze (32°F)	Jan 18 · Feb 12 · Mar 11	Nov 16 · Dec 14 · Jan 11	301 days	99%
Hard freeze (28°F)	Jan 2 · Jan 27 · Feb 28	Dec 2 · Jan 2 · Jan 27	335 days	87%

Where these dates come from

ZIP code 39531 is matched to the NOAA station Biloxi, MS, 4 km away, at 10 ft elevation (23 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Biloxi, MS (used)	10 ft	Feb 12	Dec 14
Gulfport - Biloxi Ap, MS	42 ft	Feb 23	Dec 3
Gulfport Naval Ctr, MS	35 ft	Feb 18	Dec 14
Saucier Exp Forest, MS	229 ft	Mar 7	Nov 22

Frost dates near Biloxi

Biloxi, MS 39534 · last Feb 12, first Dec 14
Diberville, MS 39540 · last Feb 12, first Dec 14
Gulfport, MS 39507 · last Feb 12, first Dec 14
Ocean Springs, MS 39566 · last Feb 12, first Dec 14
Long Beach, MS 39560 · last Feb 18, first Dec 14
Saucier, MS 39574 · last Mar 7, first Nov 22
Vancleave, MS 39565 · last Mar 1, first Nov 24
Gautier, MS 39553 · last Mar 1, first Nov 24

Frequently asked questions

When is the last frost in Biloxi, MS?: For ZIP code 39531, the average last spring frost (32°F) is February 12, based on NOAA 1991-2020 climate normals for the Biloxi, MS weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Biloxi, MS?: The average first fall frost (32°F) is December 14. There is a 1-in-10 chance of frost by November 16, so tender plants are at risk from that point on.
How long is the growing season in 39531?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 days long.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.