The temperatures in St Ives in August are usually low and can range between 14°C and 20°C.
You can expect about 3 to 8 days of rain in St Ives during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in St Ives in August 2025.
If you’re planning to visit St Ives in the near future, we highly recommend that you review the 14 day weather forecast for St Ives before you arrive.
Temperatures
20° / 14°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
88
mm
Sun Hours
9.6
Hrs
