Belle-Île-en-Mer in may: average Weather, Temperature and Climate
Weather in Belle-Île-en-Mer in may 2025
The weather in Belle-Île-en-Mer in the month of may comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather
Weather at 6am
56°F
Clear/Sunny
36% of time
28%
19%
12%
Weather at 12pm
58°F
Clear/Sunny
42% of time
29%
14%
13%
Weather at 6pm
59°F
Clear/Sunny
42% of time
32%
14%
11%
Weather at 3am
56°F
38%
28%
18%
13%
Evolution of daily average temperature and precipitation in Belle-Île-en-Mer in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Belle-Île-en-Mer in may.
The climate of Belle-Île-en-Mer in may is tolerable
The climate in may in Belle-Île-en-Mer is rather dry (with 2.6in of precipitation over 4 days). It should be noted an improvement from the previous month since in april it receives an average of 2.6in of rainfall over 4 days.
The climate is rather fresh in this city the month of may, but it is tolerable when dressing warm. The high seasonal norm is 59°F. In the morning the temperature drops to 56°F. Thus, the mean temperature average on this month of may in Belle-Île-en-Mer is 58°F. Note that seasonal normals are in contrast with those observed in Belle-Île-en-Mer in may with a maximum record of 70°F in 2017 and a minimum record of 40°F in 2021. You can plan to have about 3 days with temperatures up to 65°F, or 10% of the month.
On average, in Belle-Île-en-Mer, the days of may last 15:07. The sun rises at 05:36 and sunset is at 20:43.
With a correct weather, the month of may is okay (but not the best) to go in that area in Brittany.
Belle-Île-en-Mer: another month?
If you can push back the dates of your trip, we advise you to go in june to Belle-Île-en-Mer. more information
May: another location in Brittany?
If you want to go to Brittany in may, there are destinations with better weather than Belle-Île-en-Mer:
In may, Rennes, Brest, Lorient, Redon, Saint-Brieuc (Côtes d'Armor) and Saint-Malo have good weather.
Seasonal average climate and temperature of Belle-Île-en-Mer in may
Check below seasonal norms These datas are compiled from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 70°F (2017) | ||||
| Lowest record temperature | 40°F (2021) | ||||
| Number of days at +65°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 59°F | ||||
| Lowest sea temperature | 55°F | ||||
| Highest sea temperature | 62°F | ||||
| Wind | |||||
| Wind speed | 27km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.6in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 1.4in (2015) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.63km | ||||
| Cloud cover | 37% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:36 | ||||
| Time of sunset | 20:43 | ||||
| Length of day | 15:07 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Belle-Île-en-Mer in may 2024:
54°F to 54°F
52°F to 54°F
54°F to 56°F
52°F to 58°F
54°F to 56°F
54°F to 56°F
56°F to 59°F
54°F to 61°F
56°F to 61°F
56°F to 63°F
58°F to 63°F
59°F to 61°F
58°F to 59°F
58°F to 59°F
58°F to 59°F
58°F to 59°F
58°F to 59°F
56°F to 59°F
56°F to 61°F
58°F to 63°F
58°F to 61°F
59°F to 59°F
59°F to 61°F
54°F to 59°F
59°F to 61°F
59°F to 61°F
58°F to 61°F
59°F to 61°F
61°F to 61°F
59°F to 61°F
56°F to 63°F
Map: other cities in Brittany in may
Cities near Belle-Île-en-Mer:
| Houat in may | tolerable weather |
| The Quiberon peninsula in may | tolerable weather |
| Hoëdic in may | tolerable weather |
| Carnac in may | good weather |
| Plouharnel in may | tolerable weather |
| La Trinité-sur-Mer in may | tolerable weather |
| Saint-Philibert in may | tolerable weather |
| Locmariaquer in may | tolerable weather |
| Saint-Gildas-de-Rhuys in may | tolerable weather |
| Le Crouesty in may | good weather |
| Arzon in may | tolerable weather |
| Erdeven in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Belle-Île-en-Mer
perfect weather
good
tolerable
bad
very bad
Weather data for Belle-Île-en-Mer in may:
Weather data for Belle-Île-en-Mer for may are derived from an average of the weather forecast since 2009 in Belle-Île-en-Mer. There is a margin of error and these forecasts are to be considered as general information only. The weather in Belle-Île-en-Mer can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Belle-Île-en-Mer.