Dinan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dinan.
Climate overview of Dinan
The climate in Dinan, Brittany, France, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in August to 10°C (50°F) in February.
Dinan sees a moderate amount of rainfall, totalling around 811 mm (32 in) per year. June is the sunniest month, averaging 6.9 hours of sunshine per day.
Dinan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dinan — and find the best time to visit.
Monthly Temperature in Dinan
In Dinan, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like February.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around 4°C (39°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dinan
On average, Dinan receives a reasonable amount of rainfall, with an annual precipitation of 811 mm (32 in). Year-round, Dinan has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 79 mm (3.1 in), and the driest month, July, with 58 mm (2.3 in), is minimal. For more details, please visit our Dinan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Dinan
Seasonal changes in sunshine hours are quite dramatic in Dinan. While June receives considerable daily sunshine with up to 6.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Dinan by Month
The city experiences its highest humidity in October, reaching 85%. In March, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Dinan
Frequently asked questions about the climate in Dinan
What is the best time to visit Dinan?
June, July, August and September typically offer the most optimal weather in Dinan. In contrast, January tends to have less optimal conditions.
What temperatures can I expect in Dinan?
Daytime highs range from 10°C (50°F) in February to 24°C (75°F) in August. Nighttime lows range from 4°C (39°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Dinan get?
Annual rainfall is around 811 mm (32 in). December is the wettest month with 79 mm (3.1 in), while July is the driest with 58 mm (2.3 in).
How sunny is Dinan?
Dinan receives around 1,679 hours of sunshine per year. June is the sunniest month with 207 hours, while December is the cloudiest with just 66 hours.
Dinan 3-Day Forecast
Dinan 3-Day Forecast
Dinan on the map
Dinan is highlighted — select any city to see its climate.
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