The temperatures in Cowes in August are quite cold with temperatures between 9°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Cowes 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 Cowes in August 2025.
If you’re planning to visit Cowes in the near future, we highly recommend that you review the 14 day weather forecast for Cowes before you arrive.
Temperatures
14° / 9°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
122
mm
Sun Hours
9.1
Hrs
