Brittany weather

Our guide to the weather in Brittany during October

16

Average high

3

UV Index

105mm

Monthly rainfall

85%

Humidity

We've looked at the most up-to-date weather data for Brittany, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Brittany weather in October.

What's the temperature like in Brittany during October?

The temperature reaches around 16℃ during the daytime in October, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Brittany during October?

On average, there will be 6 rainy days during the month, amounting to 104.6mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Brittany during October?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during October. With moderate air temperatures, any breeze will feel cool.

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Weather in Brittany

Our month-by-month guide to the weather and climate in Brittany

8.4

Brittany weather in

January
8.9

Brittany weather in

February
11.3

Brittany weather in

March
13.8

Brittany weather in

April
16.5

Brittany weather in

May
19.6

Brittany weather in

June
21.8

Brittany weather in

July
22.1

Brittany weather in

August
20.5

Brittany weather in

September
16.3

Brittany weather in

October
11.9

Brittany weather in

November
9.2

Brittany weather in

December