Dinan Weather in July

What's the weather like in Dinan (Brittany) in July 2025?

The climate in Dinan during July can be summarized as mild and reasonably dry.

July is in the summer in Dinan and is typically the warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (56°F) is normal.

Dinan weather averages (imperial / metric)
Daytime temperature 22.1°C 71.7°F
Nightly temperature 13.2°C 55.7°F
Average temperature 17.6°C 63.7°F
Daily sunshine 8.8 hrs
Avg rainfall 42 mm 1.7 ins
Rainy days 11 days
Sea temperature 16.8°C 62.2°F
Humidity 77%
Windspeed 14.8kph 9 mph

On average July is the driest month of the year in Dinan with around 42mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

July temperatures in Dinan

Dinan average temperature in July

July rainfall

Dinan average rain in July

July hourly sunshine

Dinan average rain in July

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 Dinan in July 2025.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Dinan weather stats

Dinan weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: July 42mm 1.7ins
Sunniest month: July 8.8hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: November 93mm 3.7ins
Map showing location of Dinan (48.45, -2.03333) Dinan map pin © Google

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