Sea Temperature in Birch Bay in August

© Helen Ainsworth

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

Birch Bay Climate and Swimming Opportunities in August

Birch Bay lies within the Washington in United States. The average daytime temperature in Birch Bay in August is 72°F (22°C), while the nighttime average is 56°F (14°C). There are typically seven rainy days during the month, with a total precipitation of 1.9 inches (49 mm). The daylight duration in August in Birch Bay is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 6 mph (9 km/h), and the humidity level is around 76%.

The water temperature in Birch Bay in August ranges from 55°F to 57°F (13°C to 14°C). At the beginning of the month, the average temperature is around 57°F (14°C), shifting to 57°F (14°C) by mid-August and reaching 55°F (13°C) in the last ten days. Overall, the average sea temperature in Birch Bay 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 Birch Bay