Sea Temperature in Charleston in August

© Kelly Hansen

Complete information on the sea temperature range in the Pacific Ocean in Charleston in August. Historical daily data. Climate details for August. 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.

Charleston Climate and Swimming Opportunities in August

Charleston lies within the Oregon in United States. The average daytime temperature in Charleston in August is 68°F (20°C), while the nighttime average is 51°F (10°C). There are typically six rainy days during the month, with a total precipitation of 1.2 inches (30 mm). The daylight duration in August in Charleston is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in August is 9 mph (14 km/h), and the humidity level is around 74%.

The water temperature in Charleston in August ranges from 52°F to 55°F (11°C to 13°C). At the beginning of the month, the average temperature is around 54°F (12°C), shifting to 55°F (13°C) by mid-August and reaching 55°F (13°C) in the last ten days. Overall, the average sea temperature in Charleston for August is 55°F (13°C). The contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.

Frequently Asked Questions About Water Temperatures in August in Charleston