The temperatures in Barnstaple in August are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Barnstaple 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 Barnstaple in August 2025.
If you’re planning to visit Barnstaple in the near future, we highly recommend that you review the 14 day weather forecast for Barnstaple before you arrive.
Temperatures
18° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
103
mm
Sun Hours
7.4
Hrs
