Brittany weather by month

Check out Brittany weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
48°F maximum daytime temperature in January in Brest48
48°F maximum daytime temperature in February in Brest48
52°F maximum daytime temperature in March in Brest52
55°F maximum daytime temperature in April in Brest55
59°F maximum daytime temperature in May in Brest59
64°F maximum daytime temperature in June in Brest64
68°F maximum daytime temperature in July in Brest68
68°F maximum daytime temperature in August in Brest68
66°F maximum daytime temperature in September in Brest66
61°F maximum daytime temperature in October in Brest61
54°F maximum daytime temperature in November in Brest54
50°F maximum daytime temperature in December in Brest50
Hours of sunshine (daily)
Days with some rainfall
22 days with some rainfall in January in Brest22
18 days with some rainfall in February in Brest18
20 days with some rainfall in March in Brest20
17 days with some rainfall in April in Brest17
16 days with some rainfall in May in Brest16
13 days with some rainfall in June in Brest13
13 days with some rainfall in July in Brest13
15 days with some rainfall in August in Brest15
15 days with some rainfall in September in Brest15
18 days with some rainfall in October in Brest18
21 days with some rainfall in November in Brest21
21 days with some rainfall in December in Brest21
Sea temperature °F
50°F sea temperature in January in Brest50
50°F sea temperature in February in Brest50
50°F sea temperature in March in Brest50
52°F sea temperature in April in Brest52
55°F sea temperature in May in Brest55
59°F sea temperature in June in Brest59
61°F sea temperature in July in Brest61
63°F sea temperature in August in Brest63
61°F sea temperature in September in Brest61
59°F sea temperature in October in Brest59
55°F sea temperature in November in Brest55
54°F sea temperature in December in Brest54

More about Brittany

Brittany by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Brittany

  • Book returns journeys for £186 with Britanny Ferries
  • Offer includes car + 2 passengers for up to 5 days
  • Travel before 30th June 2025 (inclusive)

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The climate guide for Brittany (Brest) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Brittany destinations

Below are average maximum temperatures at popular countries, regions and places in Brittany for next month - May. Select a destination to see the climate guide for all months of the year.

Metric (°C)  |  Imperial (°F)

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More about France

Compare Brittany with the UK

Below the Brittany chart shows average maximum daytime temperature for Brittany, France (Brest) and the UK (London).

Maximum daytime temperature (°F)

Brittany, France (Brest)
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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