The temperatures in Aberystwyth in August are usually low and can range between 12°C and 17°C.
You can expect rain for roughly half of the month of August in Aberystwyth. 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 Aberystwyth in August 2025.
If you’re planning to visit Aberystwyth in the near future, we highly recommend that you review the 14 day weather forecast for Aberystwyth before you arrive.
Temperatures
17° / 12°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
133
mm
Sun Hours
7.5
Hrs