The temperatures in St Austell in October are usually low and can range between 12°C and 15°C.
You can expect rain for roughly half of the month of October in St Austell. 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 St Austell in October 2025.
If you’re planning to visit St Austell in the near future, we highly recommend that you review the 14 day weather forecast for St Austell before you arrive.
Temperatures
15° / 12°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
145
mm
Sun Hours
8.6
Hrs
