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Dinan Weather and Climate: A Comprehensive Guide

The climate in Dinan is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It receives mid-range precipitation levels. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Dinan, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 24°C in August, the warmest time of the year, to a chilly 10°C during cooler months like February.

At night, temperatures typically drop to an average of around 4°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, Dinan receives a reasonable amount of rainfall, with an annual precipitation of 811 mm. Year-round, Dinan has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 79 mm, and the driest month, July, with 58 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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

Data from: Saint Malo, France (21 KM, 13 Miles).

Daily hours of sunshine

Data from: Saint Malo, France (21 KM, 13 Miles).

Forecast for Dinan

Tue   Dec 24
13°C | 10°C
NW 5 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
13°C | 10°C
N 3 m/s
0.4 mm
overcast and small chance of slight rain

overcast and small chance of slight rain

Thu   Dec 26
11°C | 7°C
NE 4 m/s
overcast and no rain

overcast and no rain

The best time of year to visit Dinan in France

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Dinan?
    August has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Dinan?
    The coldest month is February with an average maximum temperature of 10°C.
  • Which is the wettest month in Dinan?
    December tops the wettest month list with 79 mm of rainfall.
  • Which is the driest month in Dinan?
    July is the driest month with 58 mm of precipitation.
  • Which is the sunniest month in Dinan?
    June is the sunniest month with an average of 207 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.