When is the best time to go to Brittany?

When is the best time to go to Brittany? Here's some information to help you in your decision:

  • In Brittany, the weather is good everywhere in June, July, August, September and October
  • The best months to go to Rennes are May, June, July, August, September and October
  • On average, the warmest months in Rennes are June, July, August and September, and the coldest month of the year is February
  • The rainiest months in this city are May, June and December
  • The cities with the best climate are Brest, Carnac, Concarneau, Dinard, Erquy, Lorient, Quimper, Rennes, Saint-Brieuc (Côtes d'Armor) and Saint-Malo, with good weather at least 6 months a year
  • August is the best month for swimming in Brest

Annual weather in Brittany

For information about the climate and the weather city by city in Brittany for a specific month, click on the corresponding line below:

January 38°F to 52°F
4 to 12 days*
February 38°F to 52°F
4 to 10 days*
March 40°F to 56°F
3 to 7 days*
April 43°F to 61°F
3 to 6 days*
May 50°F to 65°F
3 to 6 days*
June 56°F to 72°F
2 to 8 days*
July 59°F to 76°F
3 to 6 days*
August 58°F to 76°F
3 to 7 days*
September 54°F to 72°F
2 to 5 days*
October 50°F to 65°F
3 to 9 days*
November 45°F to 58°F
4 to 13 days*
December 41°F to 54°F
5 to 13 days*
* weather varies across the country

Best time to travel to Brittany by cities

Chargement en cours


The best months to go to Brest are may, june, july, august, september and october.



The best months to go to Carnac are may, june, july, august, september and october.



The best months to go to Concarneau are may, june, july, august, september and october.

See full list of cities

Temperatures and rainfall in Brittany

On these 3 graphs, we present the evolution of temperatures of Brittany and month-by-month rainfall for the cities of Brest, Carnac, Concarneau, Dinard and Erquy, as well as the month-by-month sea temperature for coastal cities.

Peak visitor numbers and tourist seasons in Brittany

Find out when Brittany has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Brittany

The months with low numbers of tourists are: January, February, March, April, October, November and December. The number of visitors to Brittany is high in: May, June, July, August and September.

  • Very low season in Brittany: January, February and March.
  • Low season in Brittany: April, October, November and December.
  • High season in Brittany: May, June, July and September.
  • Peek season in Brittany: August.

Figure: Visitor index for Brittany month by month

Average price for flights to Brittany

A return flight between London and Rennes is generally cheaper if you go in january ($ 182 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 98 more for your airline ticket to Rennes if you go in december.

Find the best price for your flight

Where to go in Brittany?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Saint-Brieuc (Côtes d'Armor)49°F49°F52°F58°F61°F67°F70°F70°F68°F61°F54°F50°F
The Quiberon peninsula52°F52°F54°F56°F59°F65°F68°F68°F67°F63°F58°F54°F
Brehat Island (Île de Bréhat)50°F50°F52°F54°F58°F63°F67°F67°F65°F61°F56°F52°F
Cap Fréhel49°F50°F54°F58°F61°F67°F70°F72°F70°F63°F56°F50°F
côte de granit rose (Pink Granite Coast)50°F50°F52°F56°F59°F63°F67°F68°F67°F61°F56°F52°F


perfect weather

good weather

tolerable weather

bad weather

very bad weather

About Brittany

What can I do in Brittany?

Beaches / swimming

Nature and countryside

Culture and heritage


Family travel

Crafts / shopping



Is this weather information for Brittany reliable?

Climate data for Brittany has been gathered every day since January 2009. The analysis of these meteorological data for Brittany allows us to determine the average for each month in Brest, Carnac, Concarneau, Dinard, Erquy, Lannion, Lorient, Perros-Guirec, and 92 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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