Spring (March–May): Average 46–54°F, mild climate, low rainfall, increasing sunny days. Common activities: Outdoor walks, cycling, visiting historical sites. Suggested clothing: Light jacket, comfortable trousers or skirt, comfortable shoes.
Summer (June–August): Average 57–64°F, pleasant climate, sunny, very low rainfall. Common activities: Beach activities, water sports, exploring the Breton coastline. Suggested clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 50–57°F, cool climate, slightly more rainfall than spring. Common activities: Enjoying autumn scenery, tasting local cuisine, visiting museums. Suggested clothing: Comfortable long-sleeved shirts, light jacket or cardigan.
Winter (December–February): Average 42–48°F, cold and humid climate, relatively low rainfall. Common activities: Indoor activities, visiting art galleries, tasting local cuisine. Suggested clothing: Warm coat, sweater, scarf, hat and gloves.
Bretagne climatological average
Annual average temperature: approx. 53.1°F / Annual rainfall: approx. 30 mm / Summer humidity: 60%–70% / Rainiest month: January
Bretagne monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
42.8°F
3.7
February
48.6°F
3.7
March
46.8°F
2.7
April
49.3°F
2.4
May
54.5°F
2.4
June
57.4°F
1.5
July
61.7°F
2.3
August
64.2°F
1.3
September
57.9°F
3.3
October
55°F
2.7
November
50.5°F
2.3
December
46.9°F
2.3
Bretagne weather for the next seven days
12/16
Tuesday
Moderate rain
49.2°F/45.3°F
12/17
Wednesday
Sunny
48°F/39.6°F
12/18
Thursday
Moderate rain
55.1°F/47.4°F
12/19
Friday
Sunny
49.7°F/40.5°F
12/20
Saturday
Patchy rain nearby
47.8°F/37.2°F
12/21
Sunday
Patchy rain nearby
46.4°F/39.4°F
12/22
Monday
Sunny
45.8°F/36.7°F
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