Sea Temperature in Llanelli in August

© Elin Peters

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

Llanelli Climate and Swimming Opportunities in August

Llanelli lies within the Wales in United Kingdom. The average daytime temperature in Llanelli in August is 19°C (67°F), while the nighttime average is 13°C (55°F). There are typically 13 rainy days during the month, with a total precipitation of 85 mm (3.3 inches). The daylight duration in August in Llanelli is 14 hours, with an average of 6 hours of sunshine per day. The average wind speed in August is 13 km/h (8 mph), and the humidity level is around 83%.

The water temperature in Llanelli 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 17°C (63°F), shifting to 17°C (63°F) by mid-August and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Llanelli 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 Llanelli