The temperatures in Tenby in August are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
There is little to no rain in Tenby during August, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Tenby in August 2025.
If you’re planning to visit Tenby in the near future, we highly recommend that you review the 14 day weather forecast for Tenby before you arrive.
Temperatures
21° / 8°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
7
mm
Sun Hours
11.9
Hrs
