Sea Temperature in Barmouth in August

© Maciej Saniuk

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

Barmouth Climate and Swimming Opportunities in August

Barmouth lies within the Wales in United Kingdom. The average daytime temperature in Barmouth in August is 19°C (67°F), while the nighttime average is 12°C (54°F). There are typically 13 rainy days during the month, with a total precipitation of 80 mm (3.2 inches). The daylight duration in August in Barmouth is 15 hours, with an average of 5 hours of sunshine per day. The average wind speed in August is 16 km/h (10 mph), and the humidity level is around 85%.

The water temperature in Barmouth in August ranges from 16°C to 17°C (61°F to 63°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 17°C (63°F) by mid-August and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Barmouth for August is 17°C (63°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in August in Barmouth