When is the last frost in Sapelo Island, GA?

For ZIP code 31327, the average last spring frost (32°F) is February 20, based on NOAA 1991-2020 climate normals for the Sapelo Is, GA weather station. There is a 1-in-10 chance of a frost after March 16.

When is the first frost in Sapelo Island, GA?

The average first fall frost (32°F) is December 19. There is a 1-in-10 chance of frost by November 23, so tender plants are at risk from that point on.

How long is the growing season in 31327?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 298 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 31327Sapelo Island, GA

The average last spring frost in Sapelo Island is February 20 and the average first fall frost is December 19, giving a typical growing season of about 298 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 20
Average first fall frost: Dec 19
Growing season: 298 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 12 · Mar 6 · Mar 27	Nov 7 · Nov 29 · Dec 25	268 days	100%
Frost / freeze (32°F)	Jan 25 · Feb 20 · Mar 16	Nov 23 · Dec 19 · Jan 15	298 days	99%
Hard freeze (28°F)	Jan 2 · Feb 3 · Mar 3	Dec 6 · Jan 3 · Feb 4	329 days	85%

Where these dates come from

ZIP code 31327 is matched to the NOAA station Sapelo Is, GA, 0.2 km away, at 10 ft elevation (3 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Sapelo Is, GA (used)	10 ft	Feb 20	Dec 19
Brunswick Malcolm Mckinnon Ap, GA	16 ft	Feb 9	Dec 26
Brunswick, GA	13 ft	Feb 8	Dec 25
Jesup 8 S, GA	100 ft	Mar 24	Nov 10

Frost dates near Sapelo Island

Meridian, GA 31319 · last Feb 20, first Dec 19
Darien, GA 31305 · last Feb 20, first Dec 19
Crescent, GA 31304 · last Feb 20, first Dec 19
Saint Simons Island, GA 31522 · last Feb 9, first Dec 26
Sea Island, GA 31561 · last Feb 9, first Dec 26
Townsend, GA 31331 · last Feb 20, first Dec 19
Brunswick, GA 31525 · last Feb 8, first Dec 25
Jekyll Island, GA 31527 · last Feb 9, first Dec 26

Frequently asked questions

When is the last frost in Sapelo Island, GA?: For ZIP code 31327, the average last spring frost (32°F) is February 20, based on NOAA 1991-2020 climate normals for the Sapelo Is, GA weather station. There is a 1-in-10 chance of a frost after March 16.
When is the first frost in Sapelo Island, GA?: The average first fall frost (32°F) is December 19. There is a 1-in-10 chance of frost by November 23, so tender plants are at risk from that point on.
How long is the growing season in 31327?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 298 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.