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Sea Temperature in Charleston in May
Complete information on the sea temperature range in the Atlantic Ocean in Charleston in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Charleston. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Charleston in May
66°F
MINIMUN
73°F
AVERAGE
79°F
MAXIMUM
Historical Data of Water Temperature in May in Charleston
Water Temperature Chart for Atlantic Ocean in Charleston in May
Sea Temperature Table in Charleston in May Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| May 1 | 72°C | 70°C | 68°C | 69°C |
| May 2 | 70°C | 70°C | 68°C | 69°C |
| May 3 | 72°C | 70°C | 68°C | 70°C |
| May 4 | 72°C | 72°C | 68°C | 71°C |
| May 5 | 73°C | 72°C | 70°C | 72°C |
| May 6 | 73°C | 72°C | 70°C | 72°C |
| May 7 | 72°C | 70°C | 70°C | 71°C |
| May 8 | 72°C | 72°C | 70°C | 72°C |
| May 9 | 73°C | 70°C | 70°C | 71°C |
| May 10 | 73°C | 70°C | 72°C | 72°C |
| May 11 | 73°C | 70°C | 72°C | 72°C |
| May 12 | 73°C | 70°C | 72°C | 72°C |
| May 13 | 70°C | 70°C | 72°C | 71°C |
| May 14 | 70°C | 70°C | 73°C | 71°C |
| May 15 | 73°C | 72°C | 73°C | 73°C |
| May 16 | 72°C | 72°C | 73°C | 72°C |
| May 17 | 72°C | 72°C | 73°C | 73°C |
| May 18 | 72°C | 72°C | 75°C | 73°C |
| May 19 | 73°C | 75°C | 75°C | 75°C |
| May 20 | 73°C | 73°C | 75°C | 74°C |
| May 21 | 75°C | 75°C | 75°C | 75°C |
| May 22 | 73°C | 73°C | 75°C | 74°C |
| May 23 | 75°C | 75°C | 77°C | 76°C |
| May 24 | 75°C | 75°C | 77°C | 75°C |
| May 25 | 77°C | 75°C | 77°C | 76°C |
| May 26 | 75°C | 75°C | 77°C | 76°C |
| May 27 | 77°C | 75°C | 79°C | 77°C |
| May 28 | 75°C | 75°C | 79°C | 77°C |
| May 29 | 77°C | 75°C | 79°C | 77°C |
| May 30 | 77°C | 77°C | 79°C | 78°C |
Charleston Climate and Swimming Opportunities in May
81°F
Average Day Air Temperature
63°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
9 days
Number of Rainy Days
14 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
10 mph
Average Wind Speed
73%
Average
humidity
Charleston lies within the South Carolina in United States. The average daytime temperature in Charleston in May is 81°F (27°C), while the nighttime average is 63°F (17°C). There are typically nine rainy days during the month, with a total precipitation of 2.9 inches (75 mm). The daylight duration in May in Charleston is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in May is 10 mph (16 km/h), and the humidity level is around 73%.
The water temperature in Charleston in May ranges from 68°F to 77°F (20°C to 25°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 72°F (22°C) by mid-May and reaching 75°F (24°C) in the last ten days. Overall, the average sea temperature in Charleston for May is 73°F (23°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Sea Temperature in May in Nearby Cities
Frequently Asked Questions About Water Temperatures in May in Charleston
What is the sea temperature in Charleston in May?
The water temperature in the Atlantic Ocean in Charleston in May ranges from 68°F to 77°F (20°C to 25°C).
Is it possible to swim in the Atlantic Ocean in Charleston in May?
The average sea temperature in Charleston in May is 73°F (23°C), and the air temperature is 81°F (27°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.