Rennes weather

Our guide to the weather in Rennes during June

21

Average high

5

UV Index

81mm

Monthly rainfall

17

Sea temperature

We've looked at the most up-to-date weather data for Rennes, 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 Rennes weather in June.

How warm is it in Rennes during June?

The temperature reaches around 21℃ during the daytime in June, falling away to 11℃ 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 Rennes during June?

June is typically the wettest month in Rennes. On average, there will be 5 rainy days during the month, amounting to 81.1mm 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 Rennes during June?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in June. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

How warm is the sea in Rennes during June?

The water around Rennes is around 17℃ during June. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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Weather in Rennes

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

8.4

Rennes weather in

January
9.3

Rennes weather in

February
12.2

Rennes weather in

March
15.0

Rennes weather in

April
17.7

Rennes weather in

May
21.3

Rennes weather in

June
23.8

Rennes weather in

July
23.8

Rennes weather in

August
21.8

Rennes weather in

September
17.2

Rennes weather in

October
12.3

Rennes weather in

November
9.4

Rennes weather in

December