Saint-Brieuc Weather in August

The climate in Saint-Brieuc during August can be summarized as mild and reasonably dry.

August is in the summer in Saint-Brieuc and is typically the warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 13°C (56°F) is normal.

On average August is the 3rd driest month of the year in Saint-Brieuc with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint-Brieuc in August 2024.