The temperatures in Holyhead in August are usually low and can range between 14°C and 16°C.
You can expect rain for roughly half of the month of August in Holyhead. 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 Holyhead in August 2025.
If you’re planning to visit Holyhead in the near future, we highly recommend that you review the 14 day weather forecast for Holyhead before you arrive.
Temperatures
16° / 14°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
158
mm
Sun Hours
8.3
Hrs
