Search for cities, countries, lakes and rivers
Sea Temperature in Sullivan's Island in April
Complete information on the sea temperature range in the Atlantic Ocean in Sullivan's Island in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in Sullivan's Island. 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 Sullivan's Island in April
15°C
MINIMUN
19°C
AVERAGE
23°C
MAXIMUM
Historical Data of Water Temperature in April in Sullivan's Island
Water Temperature Chart for Atlantic Ocean in Sullivan's Island in April
Sea Temperature Table in Sullivan's Island in April Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Apr 1 | 17°C | 17°C | 17°C | 17.0°C |
| Apr 2 | 16°C | 17°C | 17°C | 16.5°C |
| Apr 3 | 17°C | 17°C | 17°C | 17.0°C |
| Apr 4 | 16°C | 17°C | 17°C | 16.8°C |
| Apr 5 | 16°C | 18°C | 18°C | 17.3°C |
| Apr 6 | 16°C | 18°C | 18°C | 17.3°C |
| Apr 7 | 17°C | 18°C | 18°C | 17.5°C |
| Apr 8 | 17°C | 18°C | 18°C | 17.3°C |
| Apr 9 | 18°C | 19°C | 19°C | 18.3°C |
| Apr 10 | 18°C | 19°C | 19°C | 18.5°C |
| Apr 11 | 19°C | 19°C | 19°C | 18.5°C |
| Apr 12 | 19°C | 19°C | 19°C | 18.5°C |
| Apr 13 | 20°C | 20°C | 20°C | 19.3°C |
| Apr 14 | 19°C | 20°C | 20°C | 19.0°C |
| Apr 15 | 19°C | 20°C | 20°C | 19.3°C |
| Apr 16 | 19°C | 20°C | 20°C | 19.5°C |
| Apr 17 | 20°C | 21°C | 21°C | 20.3°C |
| Apr 18 | 20°C | 21°C | 21°C | 20.3°C |
| Apr 19 | 20°C | 21°C | 21°C | 20.3°C |
| Apr 20 | 20°C | 21°C | 21°C | 20.5°C |
| Apr 21 | 20°C | 21°C | 21°C | 20.5°C |
| Apr 22 | 19°C | 22°C | 22°C | 20.8°C |
| Apr 23 | 20°C | 22°C | 22°C | 21.0°C |
| Apr 24 | 20°C | 22°C | 22°C | 21.0°C |
| Apr 25 | 20°C | 22°C | 22°C | 21.0°C |
| Apr 26 | 20°C | 23°C | 23°C | 21.5°C |
| Apr 27 | 20°C | 23°C | 23°C | 21.5°C |
| Apr 28 | 21°C | 23°C | 23°C | 21.5°C |
| Apr 29 | 20°C | 23°C | 23°C | 21.5°C |
Sullivan's Island Climate and Swimming Opportunities in April
23°C
Average Day Air Temperature
13°C
Average Night Air Temperature
74 mm
Precipitation Amount per Month
8 days
Number of Rainy Days
13 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
17 km/h
Average Wind Speed
68%
Average
humidity
Sullivan's Island lies within the South Carolina in United States. The average daytime temperature in Sullivan's Island in April is 74°F (23°C), while the nighttime average is 55°F (13°C). There are typically eight rainy days during the month, with a total precipitation of 2.9 inches (74 mm). The daylight duration in April in Sullivan's Island is 13 hours, with an average of 9 hours of sunshine per day. The average wind speed in April is 11 mph (17 km/h), and the humidity level is around 68%.
The water temperature in Sullivan's Island in April ranges from 61°F to 70°F (16°C to 21°C). At the beginning of the month, the average temperature is around 63°F (17°C), shifting to 66°F (19°C) by mid-April and reaching 70°F (21°C) in the last ten days. Overall, the average sea temperature in Sullivan's Island for April is 66°F (19°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in Sullivan's Island
What is the sea temperature in Sullivan's Island in April?
The water temperature in the Atlantic Ocean in Sullivan's Island in April ranges from 61°F to 70°F (16°C to 21°C).
Is it possible to swim in the Atlantic Ocean in Sullivan's Island in April?
The average sea temperature in Sullivan's Island in April is 66°F (19°C), and the air temperature is 74°F (23°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.