Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Folly Beach, South Carolina

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Folly Beach, SC
Sunday, May 17 at 1:47 AM
70
°
Clear
Feels like
72°
Humidity
83%
Wind
6 mph
Sunrise
6:20 AM
Sunset
8:12 PM
Folly Beach, SC
Hour by hour · 24h
75°
9p
70°
10p
68°
11p
66°
12a
65°
1a
63°
2a
61°
3a
59°
4a
56°
5a
55°
6a
55°
7a
59°
8a
62°
9a
65°
10a
69°
11a
71°
12p
73°
1p
72°
2p
70°
3p
71°
4p
70°
5p
70°
6p
70°
7p
69°
8p
L 55°H 75°
Folly Beach, SC
7-day forecast
  1. Today
    May 16
    Foggy
    78°59°
  2. Sunday
    May 17
    Overcast
    81°69°
  3. Monday
    May 18
    Overcast
    78°68°
  4. Tuesday
    May 19
    Clear
    77°70°
  5. Wednesday
    May 20
    Overcast
    80°71°
  6. Thursday
    May 21
    Light Drizzle
    80°72°
  7. Friday
    May 22
    Light Drizzle
    26%
    79°72°
Folly Beach, SC
Anemometer · 24h winds · from true
NESW
From · True
SE
125° · backing 145°
Direction
SE
125°
Sustained
6
mph
Gust
11
mph
Peak 24h
13
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 13 @ 3:00p
−24h−18h−12h−6hnow
Light breeze backing 145° from the se.
Folly Beach, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1021.0
0.0 mb in 3h · falling · 30.15 inHg
Now
1021.0
mb
3h
0.0
mb
12h
-1.6
mb
24h
+0.8
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10191023
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Folly Beach, SC
Air quality
61
AQI
Moderate
PM 2.5
12.7 μg/m³
PM 10
17.9 μg/m³
NO₂
5.3 μg/m³
Ozone
93.0 μg/m³
UV Index
0.0 Low
Folly Beach, SC
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:54 AM
Sunrise
6:20 AM
Daylight
13h 52m
Sunset
8:12 PM
Civil dusk
12:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Folly Beach, SC
The moon
New Moon
0% illuminated
Moonrise
10:33 AM
Moonset
12:33 AM
In sign
♉︎ Taurus
Folly Beach, SC
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Folly Beach at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: March 3 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

Planting calendar

MonthPlantHarvest
January
February
Marchlettuce, peas, spinach, radishes
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septembertomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots
December

A year in weather

Folly Beach's warmest month is July (~82°F mean) and its coldest is January (~51°F). Rainfall peaks in August (6.1 inches) and bottoms out in November (2.3 inches).

MonthMean tempPrecipRainy days
January51°2.65
February53°2.65
March59°3.05
April66°3.05
May74°2.64
June79°4.87
July82°5.18
August81°6.18
September78°5.36
October69°4.15
November60°2.34
December54°2.95

Frequently asked

When does it freeze in Folly Beach?
Folly Beach's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
What is the rainy season in Folly Beach?
August is the wettest month with about 6.1 inches of rain on average; the city receives roughly 44 inches annually.
What is the warmest month in Folly Beach?
July is typically warmest, averaging about 82°F.
What is the coldest month in Folly Beach?
January is typically coldest, averaging about 51°F.
When can I start a vegetable garden in Folly Beach?
Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
How many rainy days does Folly Beach get?
Folly Beach averages about 65 rainy days per year.
What hardiness zone is Folly Beach?
Folly Beach's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.

Climate

Folly Beach, South Carolina sits in a humid subtropical climate zone. January means hover near 51°F while July averages 82°F — a 32°F seasonal swing.

Across the year, Folly Beach receives about 44 inches of precipitation spread over roughly 65 rainy days.

The rhythm of the year is set by latitude (32.7°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.

ZIP codes in Folly Beach

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.