Sea Temperature in Seaside in August

© Jason Fortman

Complete information on the sea temperature range in the Pacific Ocean in Seaside in August. Historical daily data. Climate details for August. Tips on swimming conditions and beach relaxation in Seaside. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Seaside Climate and Swimming Opportunities in August

Seaside lies within the Oregon in United States. The average daytime temperature in Seaside in August is 68°F (20°C), while the nighttime average is 51°F (11°C). There are typically six rainy days during the month, with a total precipitation of 1.3 inches (33 mm). The daylight duration in August in Seaside is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 8 mph (13 km/h), and the humidity level is around 78%.

The water temperature in Seaside in August ranges from 57°F to 59°F (14°C to 15°C). At the beginning of the month, the average temperature is around 59°F (15°C), shifting to 59°F (15°C) by mid-August and reaching 59°F (15°C) in the last ten days. Overall, the average sea temperature in Seaside for August is 59°F (15°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 Seaside