Frost Dates for Charleston Intl AP, SC

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 7
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. November 27
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 15
First Fall Frost November 19

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze February 20
First Fall Hard Freeze December 15
32.90°N, -80.04°W © OpenStreetMap

Growing Season

265 Days March 7 to November 27

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

Learn more

Temperature

30° 50° 70° 90°
50°
High: 60°
Avg: 50°
Low: 39°
Jan
53°
High: 64°
Avg: 53°
Low: 42°
Feb
59°
High: 70°
Avg: 59°
Low: 47°
Mar
66°
High: 77°
Avg: 66°
Low: 55°
Apr
73°
High: 84°
Avg: 73°
Low: 63°
May
79°
High: 89°
Avg: 79°
Low: 70°
Jun
83°
High: 91°
Avg: 83°
Low: 74°
Jul
82°
High: 90°
Avg: 82°
Low: 73°
Aug
77°
High: 85°
Avg: 77°
Low: 68°
Sep
68°
High: 78°
Avg: 68°
Low: 58°
Oct
58°
High: 69°
Avg: 58°
Low: 47°
Nov
52°
High: 63°
Avg: 52°
Low: 42°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 6" 8.0"
5.3"
5.35"
Jan
4.8"
4.84"
Feb
5.8"
5.81"
Mar
5.6"
5.61"
Apr
6.0"
6.02"
May
7.8"
7.76"
Jun
8.0"
7.96"
Jul
7.6"
7.63"
Aug
6.8"
6.80"
Sep
5.9"
5.90"
Oct
4.5"
4.47"
Nov
4.9"
4.90"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 6:58 AM – 5:02 PM · 10h 03m
Feb: 6:35 AM – 5:25 PM · 10h 50m
Mar: 6:07 AM – 5:53 PM · 11h 45m
Apr: 5:35 AM – 6:25 PM · 12h 49m
May: 5:09 AM – 6:51 PM · 13h 42m
Jun: 4:55 AM – 7:05 PM · 14h 10m
Jul: 5:01 AM – 6:59 PM · 13h 58m
Aug: 5:23 AM – 6:37 PM · 13h 13m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:25 AM – 5:35 PM · 11h 10m
Nov: 6:52 AM – 5:08 PM · 10h 16m
Dec: 7:05 AM – 4:55 PM · 9h 50m
Daylight Longest: 14h 10m · Shortest: 9h 50m

Nearby Stations

Charleston City, SC February 4 - December 30 Sullivans Is, SC March 13 - November 30 Summerville 4w, SC March 22 - November 12 Moncks Corner 4 N, SC March 10 - November 26 Edisto Is Middleton Plantation, SC March 1 - December 6 Edisto Beach Sp, SC March 1 - December 6

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