Temperatures in May
It's warm in May in South Carolina with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 31°C. At night, you can expect temperatures between 13°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for South Carolina in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in South Carolina with hot temperatures, averaging around 28°C during the day and nights close to 16°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-May
By mid-May, the average daytime temperature rises to around 30°C, with nights close to 18°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of May
By the end of May, the average daytime temperature in South Carolina will be around 31°C, with nights close to 20°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in May
In May, there is an average of 105 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 27% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for South Carolina. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
South Carolina in May |
UK | ||
|---|---|---|---|
 Average Temperature |
29°C | 18°C | |
 High Temp |
31°C | 21°C | |
| Low Temp |
26°C | 15°C | |
 Total Precipitation |
105 mm | 46 mm | |
| Rainy Days |
8 days | 8 days | |
April
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit South Carolina?
After some sun? Then May isn’t the best time to be in South Carolina. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for South Carolina in May
With 38°C, South Carolina hit the highest temperature in the last 10 years in May 2019. The lowest daytime temperature in this month was 17°C in 2023. The extreme night temperatures ranged from a low of 5°C to a high of 24°C.
Check out the climate of South Carolina for all months and discover the best travel time
The climate of South Carolina is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in South Carolina for a full picture of the climate.
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Daily Temperature in May in South Carolina
This chart shows the average daily temperatures, both day and night, for each day in May in South Carolina, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in South Carolina
The chart below shows the average daily precipitation in May for South Carolina, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 8 days of rain in South Carolina.
Daily UV Index in May in South Carolina
This chart shows the average daily UV index in May in South Carolina, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in South Carolina Over the Years
This chart shows the average temperature in May in South Carolina, measured in degrees Celsius, over the past years.
Total Precipitation in May in South Carolina Over the Years
This chart shows the average precipitation in May in South Carolina, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for South Carolina
Click on a specific day in May for detailed info on the typical weather on that day in South Carolina. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in South Carolina
Have you been to South Carolina in May?
Share your weather experience in May in South Carolina.
Average Weather in South Carolina by Month
Click on a month below to see detailed weather info for South Carolina. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of South Carolina for all months at once
