Frost Dates for Hilton Head Island, SC

Based on data from Beaufort Wwtp weather station, 14 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 3
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 9
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 9
First Fall Frost December 1

Hard Freeze (28°F)

Last Spring Hard Freeze February 9
First Fall Hard Freeze December 28
32.19°N, -80.74°W © OpenStreetMap

Growing Season

281 Days March 3 to December 9

USDA Hardiness Zone iHardiness 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 (−7 to −4°C)

Learn more

Köppen Climate iThe 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

40° 60° 80° 100°
51°
High: 61°F
Avg: 51°F
Low: 41°F
Jan
54°
High: 65°F
Avg: 54°F
Low: 44°F
Feb
60°
High: 72°F
Avg: 60°F
Low: 49°F
Mar
67°
High: 77°F
Avg: 67°F
Low: 56°F
Apr
75°
High: 84°F
Avg: 75°F
Low: 66°F
May
80°
High: 89°F
Avg: 80°F
Low: 72°F
Jun
83°
High: 91°F
Avg: 83°F
Low: 75°F
Jul
82°
High: 90°F
Avg: 82°F
Low: 75°F
Aug
78°
High: 86°F
Avg: 78°F
Low: 70°F
Sep
70°
High: 79°F
Avg: 70°F
Low: 61°F
Oct
60°
High: 70°F
Avg: 60°F
Low: 51°F
Nov
53°
High: 62°F
Avg: 53°F
Low: 44°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 6" 6.2"
4.6"
4.62"
Jan
4.1"
4.06"
Feb
4.5"
4.54"
Mar
3.3"
3.33"
Apr
3.9"
3.89"
May
5.0"
5.03"
Jun
5.6"
5.63"
Jul
6.2"
6.16"
Aug
4.6"
4.60"
Sep
3.3"
3.29"
Oct
3.0"
3.01"
Nov
3.4"
3.35"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:57 AM – 5:03 PM · 10h 06m
Feb: 6:34 AM – 5:26 PM · 10h 51m
Mar: 6:07 AM – 5:53 PM · 11h 46m
Apr: 5:36 AM – 6:24 PM · 12h 48m
May: 5:10 AM – 6:50 PM · 13h 40m
Jun: 4:57 AM – 7:03 PM · 14h 07m
Jul: 5:02 AM – 6:58 PM · 13h 56m
Aug: 5:24 AM – 6:36 PM · 13h 12m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:25 AM – 5:35 PM · 11h 11m
Nov: 6:51 AM – 5:09 PM · 10h 18m
Dec: 7:04 AM – 4:56 PM · 9h 53m
Daylight Longest: 14h 08m · Shortest: 9h 52m

Nearby Stations

Beaufort Mcas, SC February 28 - December 3 Yemassee 1 N, SC March 23 - November 6 Edisto Beach Sp, SC March 1 - December 6 Edisto Is Middleton Plantation, SC March 1 - December 6 Walterboro 1 Sw, SC March 19 - November 12 Savannah Intl AP, GA March 2 - November 30

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