Brittany in may: average Weather, Temperature and Climate, Where to go?
Weather in Brittany in may 2025
Here, you have access to the weather forecast for may for most popular cities in Brittany. These predictions are probabilities for the month of may from weather reports for many years. The percentage indicates the possibility of having the weather indicated.
Average weather in may in Rennes
good weather
Weather at 6am
50°F
Clear/Sunny
29% of time
26%
18%
17%
Weather at 12pm
63°F
Clear/Sunny
27% of time
24%
24%
21%
Weather at 6pm
61°F
Clear/Sunny
31% of time
27%
22%
14%
Weather at 3am
49°F
41%
19%
19%
11%
Where to go in Brittany in may?
Where to go in Brittany in may: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in may based on the weather?
| Côtes-d'Armor (Saint-Brieuc (Côtes d'Armor), Perros-Guirec, Erquy...) | 58°F to 63°F | 3 à 6 days | 56°F | good weather* |
| Finistère (Brest, Quimper, Concarneau...) | 58°F to 63°F | 3 à 6 days | 56°F to 58°F | good weather* |
| Ille-et-Vilaine (Rennes, Saint-Malo, Redon...) | 61°F to 65°F | 4 à 6 days | 56°F to 59°F | good weather |
| Morbihan (Vannes, Lorient, The Quiberon peninsula...) | 32°F to 67°F | 0 à 6 days | 58°F to 59°F | good weather* |
Where should you go in Brittany in may when it comes to the weather?
Remember:
The climate in Brittany in may ranges from good to tolerable depending on the region and city.
That month is not the best month to travel to in Brittany. The weather everywhere is quite correct: 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, Concarneau and Saint-Brieuc (Côtes d'Armor). The sun is not there all the time and you might make you wet by rain often. Nonetheless, if you don't plan a beach and sun trip in Brittany but rather nature excursions or walking, this climate may suit. In addition, there are definitely fewer tourists at this time.
Climate in Brittany in may
Climate in Rennes in may
In may, maximum temperature is 65°F and minimum temperature is 50°F (for an average temperature of 58°F). The climate is quite cool in that area in may, but it is liveable by dressing hot. With 3in over 4 days, rainfall can happen throughout your holidays. But this is moderate and you will not be too bothered by it.
With proper weather, the month of may is okay (but not good time) for traveling in that area in Brittany.
| May | |||
| Average temperature | 58°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 50°F | ||
| Rainfall | 3in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 47% | ||
| Length of day | 15:11 | ||
| Our opinion at whereandwhen.net | good |
Climate in Brest in may
In the month of may, maximum temperature is 61°F and minimum temperature is 52°F (for an average temperature of 58°F). The climate is quite cool in that area in this month, but it is liveable when dressing hot. With 2.6in over 4 days, you will experience some showers for your stay. But this is pretty moderate and it is only of temporary showers.
With a correct weather, the month of may is okay (but not good time) for traveling in that area.
| May | |||
| Average temperature | 58°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 56°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 47% | ||
| Length of day | 15:14 | ||
| Our opinion at whereandwhen.net | good |
Climate in Lorient in may
In the month of may, maximum temperature is 63°F and minimum temperature is 52°F (for an average temperature of 58°F). The climate is rather fresh in this city in the month of may, but it is endurable by dressing cosy. With 3.4in over 6 days, rainfall can happen for your journey. But this is reasonably and you will not be too bothered by it.
With a correct weather, may is okay (but not good time) for traveling in Lorient.
| May | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 3.4in | ||
| Number of days with rainfall | 6 day(s) (19%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 41% | ||
| Length of day | 15:09 | ||
| Our opinion at whereandwhen.net | good |
Climate in Redon in may
In may, maximum temperature is 65°F and minimum temperature is 54°F (for an average temperature of 59°F). The climate is fairly fresh in that locality in the month of may, but it is bearable when dressing warm. With 2.9in over 5 days, rain may occur throughout your trip. But this is pretty moderate and it is only of temporary showers.
With a good weather, may is a recommended month to go in Redon.
| May | |||
| Average temperature | 59°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 2.9in | ||
| Number of days with rainfall | 5 day(s) (15%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 39% | ||
| Length of day | 15:08 | ||
| Our opinion at whereandwhen.net | good |
Climate in Saint-Brieuc (Côtes d'Armor) in may
In the month of may, the mean temperature in Saint-Brieuc (Côtes d'Armor) is 56°F (maximum temperature is 61°F and minimum temperature is 50°F). The climate is quite cold in that locality in may, but it is livable by dressing hot. With 2.4in over 3 days, you will experience some showers for your vacations. But this is rather reasonably and it will not be continuous.
With proper weather, the month of may is okay (but not the best time) for traveling in that area in Brittany.
| May | |||
| Average temperature | 56°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 50°F | ||
| Sea temperature | 56°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 48% | ||
| Length of day | 15:14 | ||
| Our opinion at whereandwhen.net | good |
All cities in Brittany in may
| Rennes in may | good weather |
| Brest in may | good weather |
| Lorient in may | good weather |
| Redon in may | good weather |
| Saint-Brieuc (Côtes d'Armor) in may | good weather |
| Saint-Malo in may | good weather |
| Vannes in may | good weather |
| Concarneau in may | good weather |
| Dinard in may | good weather |
| Erquy in may | good weather |
| The Quiberon peninsula in may | tolerable weather |
| Perros-Guirec in may | tolerable weather |
| Quimper in may | good weather |
| Arzon in may | tolerable weather |
| Audierne-Esquibien in may | tolerable weather |
| Belle-Île-en-Mer in may | tolerable weather |
| Bénodet in may | good weather |
| Beuzec-Cap-Sizun in may | good weather |
| Billiers in may | good weather |
| Cap Fréhel in may | good weather |
| Carantec in may | tolerable weather |
| Carnac in may | good weather |
| Cherrueix in may | good weather |
| Cléden-Cap-Sizun in may | good weather |
| Cléder in may | tolerable weather |
| Combrit in may | tolerable weather |
| côte de granit rose (Pink Granite Coast) in may | tolerable weather |
| Le Crouesty in may | good weather |
| Damgan in may | good weather |
| Dinan in may | good weather |
| Doëlan (Clohars-Carnoët) in may | good weather |
| Douarnenez in may | good weather |
| Erdeven in may | tolerable weather |
| Étables-sur-Mer in may | good weather |
| Fouesnant in may | good weather |
| Fréhel in may | good weather |
| Gâvres in may | good weather |
| Goulien in may | good weather |
| Goulven in may | tolerable weather |
| Guerlédan in may | good weather |
| Guidel in may | good weather |
| Guimaëc in may | tolerable weather |
| Guissény in may | tolerable weather |
| Hillion in may | good weather |
| Hirel in may | good weather |
| Molene Island (Île de Molène) in may | tolerable weather |
| Sein island (Île-de-Sein) in may | good weather |
| Hoëdic in may | tolerable weather |
| Houat in may | tolerable weather |
| Île-aux-Moines in may | tolerable weather |
| Île-d'Arz in may | tolerable weather |
| Île-de-Batz in may | tolerable weather |
| Brehat Island (Île de Bréhat) in may | tolerable weather |
| Île-Tudy in may | tolerable weather |
| Glénan in may | tolerable weather |
| Kerlaz in may | tolerable weather |
| Kerlouan in may | tolerable weather |
| La Trinité-sur-Mer in may | tolerable weather |
| Lampaul-Plouarzel in may | good weather |
| Lancieux in may | good weather |
| Landéda in may | good weather |
| Landunvez in may | good weather |
| Lanildut in may | good weather |
| Lannion in may | tolerable weather |
| Lanvéoc in may | good weather |
| Locmaria-Plouzané in may | good weather |
| Locmariaquer in may | tolerable weather |
| Locmiquélic in may | good weather |
| Locronan in may | good weather |
| Morlaix in may | tolerable weather |
| Névez in may | tolerable weather |
| Ouessant in may | tolerable weather |
| Paimpol in may | tolerable weather |
| parc naturel régional d’Armorique in may | good weather |
| Pénestin in may | good weather |
| Penmarc'h in may | tolerable weather |
| Planguenoual in may | good weather |
| Plestin-les-Grèves in may | tolerable weather |
| Pleubian in may | tolerable weather |
| Pleumeur-Bodou in may | tolerable weather |
| Plévenon in may | tolerable weather |
| Plomeur in may | tolerable weather |
| Plomodiern in may | good weather |
| Plonévez-Porzay in may | tolerable weather |
| Plouézec in may | tolerable weather |
| Plougonvelin in may | good weather |
| Plougoulm in may | tolerable weather |
| Plouha in may | good weather |
| Plouharnel in may | tolerable weather |
| Plouhinec in may | good weather |
| Ploumanac’h in may | tolerable weather |
| Ploumoguer in may | good weather |
| Plounéour-Brignogan-plages in may | tolerable weather |
| Plounévez-Lochrist in may | tolerable weather |
| Plovan in may | tolerable weather |
| Plozévet in may | good weather |
| Pointe du Raz in may | good weather |
| Pontrieux in may | tolerable weather |
| Porspoder in may | good weather |
| Port Blanc (Penvénan) in may | tolerable weather |
Weather data for Brittany in may:
Weather data for Brittany in may 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.