Frost Dates for Tybee Island, GA

Based on data from Savannah Intl AP weather station, 23 miles away

Elevation: 10 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 2
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 30

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost March 12
First Fall Frost November 21

Hard Freeze (28°F)

Last Spring Hard Freeze February 13
First Fall Hard Freeze December 22
32.00°N, 80.85°W © OpenStreetMap

Growing Season

273 Days March 2 to November 30

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January61°51°40°
February65°54°43°
March71°60°49°
April78°67°55°
May85°74°63°
June90°80°71°
July92°83°74°
August91°82°73°
September86°78°69°
October79°69°59°
November70°59°48°
December64°53°43°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.5
February4.8
March5.1
April5.7
May7.4
June7.7
July7.3
August6.8
September6.3
October5.5
November4.6
December5.3

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 14h 06m · Shortest: 9h 54m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:31 AM5:38 PM10h 07m
February7:14 AM6:05 PM10h 52m
March7:42 AM7:27 PM11h 46m
April7:01 AM7:49 PM12h 48m
May6:32 AM8:10 PM13h 39m
June6:22 AM8:28 PM14h 06m
July6:33 AM8:28 PM13h 55m
August6:54 AM8:04 PM13h 11m
September7:14 AM7:25 PM12h 11m
October7:34 AM6:46 PM11h 11m
November7:00 AM5:20 PM10h 19m
December7:24 AM5:18 PM9h 54m

Nearby Stations

Ft Stewart, GA March 5 - November 29 Brooklet 1 W, GA March 7 - November 21 Beaufort Wwtp, SC March 3 - December 9 Beaufort Mcas, SC February 28 - December 3 Glennville 3nw, GA March 9 - November 24 Yemassee 1 N, SC March 23 - November 6

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