The temperatures in Tenby in August are comfortable with low of 15°C and and high up to 17°C.
You can expect rain for roughly half of the month of August in Tenby. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
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
17° / 15°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
148
mm
Sun Hours
8.6
Hrs
