Hilton Head Island

South Carolina Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in South Carolina, the United States of America in May.

Planning a journey to South Carolina, the United States of America this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in South Carolina in May

South Carolina, the United States of America is a region in the United States of America. South Carolina, the United States of America offers a broad spectrum of weather patterns. In May, one might encounter temperatures that range from pleasant to warm, and precipitation levels ranging from moderate to high.

Temperatures

The average highest temperatures fluctuate between pleasant in Rosenheim at 19°C (66°F) to warm in Columbia at 29°C (84°F). Nighttime temperatures generally drop to 16°C (61°F) in Columbia and 8°C (46°F) in Rosenheim.

For specific regional insights in South Carolina, the United States of America, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Edisto Island with an average of 62 mm (2.4 in) to high rainfall in Rosenheim with 160 mm (6.3 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Hilton Head Island sees close to 280 hours of sunlight, making it great for sun lovers.

Explore South Carolina by month

Pick a month to see the average temperature, rainfall and sunshine in South Carolina — and find the best time to visit. (based on Hilton Head Island)

Best Places to Visit in South Carolina in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Carolina.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in South Carolina

What is the weather like in May for some of the most popular destinations in South Carolina, the United States of America?

Temperature range in South Carolina (May)

Precipitation variation in South Carolina (May)

Hilton Head Island

In May Hilton Head Island generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
24°C (75°F)
27°C (81°F)
31°C (88°F)
Min temperature
14°C (57°F)
19°C (66°F)
23°C (73°F)
Monthly sun hours
271 hours
280 hours
271 hours
Monthly rainfall
76 mm (3 in)
76 mm (3 in)
115 mm (4.5 in)
Monthly rainy days
8 days
9 days
12 days
Weather conditions

Charleston

In May Charleston generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
24°C (75°F)
27°C (81°F)
31°C (88°F)
Min temperature
14°C (57°F)
19°C (66°F)
23°C (73°F)
Monthly sun hours
275 hours
295 hours
280 hours
Monthly rainfall
75 mm (3 in)
73 mm (2.9 in)
150 mm (5.9 in)
Monthly rainy days
8 days
8 days
13 days
Weather conditions

Rosenheim

In May Rosenheim generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
14°C (57°F)
19°C (66°F)
22°C (72°F)
Min temperature
3°C (37°F)
8°C (46°F)
12°C (54°F)
Monthly sun hours
149 hours
180 hours
176 hours
Monthly rainfall
105 mm (4.1 in)
160 mm (6.3 in)
176 mm (6.9 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions

Mount Pleasant

In May Mount Pleasant generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
23°C (73°F)
27°C (81°F)
31°C (88°F)
Min temperature
14°C (57°F)
19°C (66°F)
23°C (73°F)
Monthly sun hours
275 hours
295 hours
280 hours
Monthly rainfall
75 mm (3 in)
72 mm (2.8 in)
124 mm (4.9 in)
Monthly rainy days
8 days
8 days
12 days
Weather conditions

Edisto Island

In May Edisto Island generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
24°C (75°F)
28°C (82°F)
32°C (90°F)
Min temperature
14°C (57°F)
18°C (64°F)
23°C (73°F)
Monthly sun hours
275 hours
295 hours
280 hours
Monthly rainfall
79 mm (3.1 in)
62 mm (2.4 in)
103 mm (4.1 in)
Monthly rainy days
8 days
8 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in South Carolina, in the United States of America.

Popular cities in May

Day & night temperatures, rainfall and average weather in South Carolina in May.

City Weather Day temp Night temp Rainfall
Hilton Head Island 27°C (81°F) 19°C (66°F) 76 mm (3 in)
Charleston 27°C (81°F) 19°C (66°F) 73 mm (2.9 in)
Rosenheim 19°C (66°F) 8°C (46°F) 160 mm (6.3 in)
Mount Pleasant 27°C (81°F) 19°C (66°F) 72 mm (2.8 in)
Edisto Island 28°C (82°F) 18°C (64°F) 62 mm (2.4 in)
Myrtle Beach 26°C (79°F) 17°C (63°F) 80 mm (3.1 in)

South Carolina weather in May: frequently asked questions

What is the weather like in South Carolina, the United States of America in May?

May in South Carolina, the United States of America brings perfect weather. In Hilton Head Island, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 19°C (66°F).

What is the average temperature in South Carolina, the United States of America in May?

Average temperatures in South Carolina, the United States of America during May range from a nighttime low near 19°C (66°F) to a daytime high around 27°C (81°F) in Hilton Head Island.

Does South Carolina, the United States of America get a lot of rain in May?

Not particularly. Hilton Head Island averages just 76 mm (3 in) of rain in May, making it a mostly dry month for South Carolina, the United States of America.

Is May a Good Time to Visit South Carolina, the United States of America?

We consider May to be one of the best times to travel to South Carolina, the United States of America. Typically, the climate in Hilton Head Island is perfect. However, the weather conditions may vary depending on your destination.

On average, the best time to visit South Carolina, the United States of America is in March, April, May, October and November with generally perfect weather in Hilton Head Island. In contrast, August tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in South Carolina.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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