Brittany in august: average Weather, Temperature and Climate, Where to go?
Weather in Brittany in august 2025
Here, find the the weather forecast for the month of august for most popular cities in Brittany. These forecasts are statistics for the month of august from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.
Average weather in august in Rennes
good weather
Weather at 6am
58°F
Fog
33% of time
25%
19%
14%
Weather at 12pm
74°F
Clear/Sunny
34% of time
30%
22%
13%
Weather at 6pm
70°F
Clear/Sunny
36% of time
26%
22%
14%
Weather at 3am
58°F
42%
22%
15%
10%
Where to go in Brittany in august?
Where to go in Brittany in august: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in august based on the weather?
| Côtes-d'Armor (Saint-Brieuc (Côtes d'Armor), Perros-Guirec, Erquy...) | 67°F to 72°F | 4 à 6 days | 63°F to 65°F | good weather |
| Finistère (Brest, Quimper, Concarneau...) | 65°F to 72°F | 3 à 7 days | 63°F to 65°F | good weather |
| Ille-et-Vilaine (Rennes, Saint-Malo, Redon...) | 70°F to 76°F | 3 à 6 days | 65°F to 67°F | good weather |
| Morbihan (Vannes, Lorient, The Quiberon peninsula...) | 32°F to 77°F | 0 à 5 days | 65°F to 67°F | good weather |
Where should you go in Brittany in august when it comes to the weather?
Remember:
The climate in Brittany in august is good across the board.
Although it is not perfect the weather in Brittany in august is, on average, quite good in Erquy, Bénodet, Sein island, Perros-Guirec, Fouesnant, Brehat Island, Lannion, Quimper, Dinard, Saint-Malo, Vannes, Belle-Île-en-Mer, Brest, Carnac, The Quiberon peninsula, Rennes, Lorient, Molene Island, Douarnenez and Concarneau. I allows to enjoy tours in these areas. And even why not take a little time to lazing in the sun!
If you do not go the sun and blue sky, but, for example for hiking, the city of Saint-Brieuc (Côtes d'Armor) have a just ok weather for it in august.
Climate in Brittany in august
Climate in Rennes in august
In the month of august, the mean temperature in Rennes is 67°F (maximum temperature is 76°F and minimum temperature is 58°F). The climate comfortable in that locality in august. With just 2.2in over 4 days, rain may be scarce throughout your stay.
With a good weather, the month of august is a good month to go in Rennes.
| August | |||
| Average temperature | 67°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 58°F | ||
| Rainfall | 2.2in | ||
| Number of days with rainfall | 4 day(s) (11%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 43% | ||
| Length of day | 14:19 | ||
| Our opinion at whereandwhen.net | good |
Climate in Brest in august
In the month of august, the mean temperature in Brest is 65°F (maximum temperature is 68°F and minimum temperature is 61°F). The climate quite pleasant around this city in august. With 3.6in over 5 days, rain may occur during your journey. But this is pretty moderate and it will not be continuous.
With good weather conditions, august is a good time to go in this city in Brittany.
| August | |||
| Average temperature | 65°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 61°F | ||
| Sea temperature | 63°F | ||
| Rainfall | 3.6in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 45% | ||
| Length of day | 14:20 | ||
| Our opinion at whereandwhen.net | good |
Climate in Lorient in august
In august, maximum temperature is 70°F and minimum temperature is 61°F (for an average temperature of 65°F). The climate quite enjoyable in this city in the month of august. With 2.8in over 4 days, rainfall can happen throughout your journey. But this is rather reasonably and it is only of temporary showers.
With good weather conditions, august is a good time to go in that area in Brittany.
| August | |||
| Average temperature | 65°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 61°F | ||
| Sea temperature | 65°F | ||
| Rainfall | 2.8in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 36% | ||
| Length of day | 14:17 | ||
| Our opinion at whereandwhen.net | good |
Climate in Redon in august
In august, the mean temperature in Redon is 68°F (maximum temperature is 74°F and minimum temperature is 61°F). The climate is comfortable in this city in the month of august. With about 2.4in over 4 days, rain may be scarce throughout your journey.
With a good climate, august is a good month to go in Redon.
| August | |||
| Average temperature | 68°F | ||
| Highest temperature | 74°F | ||
| Lowest temperature | 61°F | ||
| Sea temperature | 66°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 33% | ||
| Length of day | 14:16 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Saint-Brieuc (Côtes d'Armor) in august
In august, maximum temperature is 70°F and minimum temperature is 58°F (for an average temperature of 65°F). The climate good in this city in august. With 3.1in over 5 days, rain may occur during your vacations. But this is pretty reasonably and it will not be continuous.
With a correct climate, the month of august is okay (but not good time) for traveling in that area.
| August | |||
| Average temperature | 65°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 65°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 5 day(s) (16%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 44% | ||
| Length of day | 14:20 | ||
| Our opinion at whereandwhen.net | good |
All cities in Brittany in august
| Rennes in august | good weather |
| Brest in august | good weather |
| Lorient in august | good weather |
| Redon in august | perfect weather |
| Saint-Brieuc (Côtes d'Armor) in august | good weather |
| Saint-Malo in august | good weather |
| Vannes in august | good weather |
| Concarneau in august | good weather |
| Dinard in august | good weather |
| Erquy in august | good weather |
| The Quiberon peninsula in august | good weather |
| Perros-Guirec in august | good weather |
| Quimper in august | good weather |
| Arzon in august | good weather |
| Audierne-Esquibien in august | good weather |
| Belle-Île-en-Mer in august | good weather |
| Bénodet in august | good weather |
| Beuzec-Cap-Sizun in august | good weather |
| Billiers in august | good weather |
| Cap Fréhel in august | good weather |
| Carantec in august | good weather |
| Carnac in august | good weather |
| Cherrueix in august | good weather |
| Cléden-Cap-Sizun in august | good weather |
| Cléder in august | good weather |
| Combrit in august | good weather |
| côte de granit rose (Pink Granite Coast) in august | good weather |
| Le Crouesty in august | good weather |
| Damgan in august | good weather |
| Dinan in august | good weather |
| Doëlan (Clohars-Carnoët) in august | good weather |
| Douarnenez in august | good weather |
| Erdeven in august | good weather |
| Étables-sur-Mer in august | good weather |
| Fouesnant in august | good weather |
| Fréhel in august | good weather |
| Gâvres in august | perfect weather |
| Goulien in august | good weather |
| Goulven in august | good weather |
| Guerlédan in august | good weather |
| Guidel in august | good weather |
| Guimaëc in august | good weather |
| Guissény in august | good weather |
| Hillion in august | good weather |
| Hirel in august | good weather |
| Molene Island (Île de Molène) in august | good weather |
| Sein island (Île-de-Sein) in august | good weather |
| Hoëdic in august | good weather |
| Houat in august | good weather |
| Île-aux-Moines in august | good weather |
| Île-d'Arz in august | good weather |
| Île-de-Batz in august | good weather |
| Brehat Island (Île de Bréhat) in august | good weather |
| Île-Tudy in august | good weather |
| Glénan in august | good weather |
| Kerlaz in august | good weather |
| Kerlouan in august | good weather |
| La Trinité-sur-Mer in august | good weather |
| Lampaul-Plouarzel in august | good weather |
| Lancieux in august | good weather |
| Landéda in august | good weather |
| Landunvez in august | good weather |
| Lanildut in august | good weather |
| Lannion in august | good weather |
| Lanvéoc in august | good weather |
| Locmaria-Plouzané in august | good weather |
| Locmariaquer in august | good weather |
| Locmiquélic in august | perfect weather |
| Locronan in august | good weather |
| Morlaix in august | good weather |
| Névez in august | good weather |
| Ouessant in august | good weather |
| Paimpol in august | good weather |
| parc naturel régional d’Armorique in august | good weather |
| Pénestin in august | good weather |
| Penmarc'h in august | good weather |
| Planguenoual in august | good weather |
| Plestin-les-Grèves in august | good weather |
| Pleubian in august | good weather |
| Pleumeur-Bodou in august | good weather |
| Plévenon in august | good weather |
| Plomeur in august | good weather |
| Plomodiern in august | good weather |
| Plonévez-Porzay in august | good weather |
| Plouézec in august | good weather |
| Plougonvelin in august | good weather |
| Plougoulm in august | good weather |
| Plouha in august | good weather |
| Plouharnel in august | good weather |
| Plouhinec in august | perfect weather |
| Ploumanac’h in august | good weather |
| Ploumoguer in august | good weather |
| Plounéour-Brignogan-plages in august | good weather |
| Plounévez-Lochrist in august | good weather |
| Plovan in august | good weather |
| Plozévet in august | good weather |
| Pointe du Raz in august | good weather |
| Pontrieux in august | good weather |
| Porspoder in august | good weather |
| Port Blanc (Penvénan) in august | good weather |
Weather data for Brittany in august:
Weather data for Brittany in august is derived from an average of the weather forecast since 2009 in Brittany. There is a margin of error and these forecasts are to be considered as general information only. The weather in Brittany can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Brittany.