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Carnac Weather and Climate: A Comprehensive Guide

The temperature in Carnac varies moderately throughout the year. The temperatures shift from pleasant to cold. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The weather in Carnac changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 22°C in August. In February, the coolest month of the year, temperatures drop to a chilly 11°C.

At night, you can expect cooler temperatures, with averages dropping to around 6°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Carnac has a moderate amount of precipitation, averaging 844 mm of rainfall annually. Carnac can be quite wet during December, receiving approximately 103 mm of precipitation over 19 rainy days.

In contrast July, experiences much drier conditions, with 43 mm of rainfall, spread across 11 rainy days. For more details, please visit our Carnac Precipitation page.

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

Forecast for Carnac

Sun   Dec 22
13°C | 7°C
NW 12 m/s
0.6 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Mon   Dec 23
11°C | 6°C
NW 7 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
14°C | 10°C
NW 4 m/s
overcast and no rain

overcast and no rain

The best time of year to visit Carnac in France

During the months of 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 Carnac?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Carnac?
    The coldest month is February with an average maximum temperature of 11°C.
  • Which is the wettest month in Carnac?
    December tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Carnac?
    July is the driest month with 43 mm of precipitation.

  • 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.