Sea Temperature in Portsmouth in August

© Daniel Halseth

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

Portsmouth Climate and Swimming Opportunities in August

Portsmouth lies within the Virginia in United States. The average daytime temperature in Portsmouth in August is 84°F (29°C), while the nighttime average is 70°F (21°C). There are typically 10 rainy days during the month, with a total precipitation of 5.4 inches (136 mm). The daylight duration in August in Portsmouth is 13 hours, with an average of 8 hours of sunshine per day. The average wind speed in August is 7 mph (12 km/h), and the humidity level is around 77%.

The water temperature in Portsmouth in August ranges from 77°F to 81°F (25°C to 27°C). At the beginning of the month, the average temperature is around 79°F (26°C), shifting to 79°F (26°C) by mid-August and reaching 81°F (27°C) in the last ten days. Overall, the average sea temperature in Portsmouth for August is 81°F (27°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Frequently Asked Questions About Water Temperatures in August in Portsmouth