Nantes weather

Our guide to the weather in Nantes during July

25

Average high

6

UV Index

52mm

Monthly rainfall

19

Sea temperature

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

How warm is it in Nantes during July?

The temperature reaches around 25℃ during the daytime in July, falling away to 15℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Nantes during July?

On average, there will be 4 rainy days during the month, amounting to 52.0mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Nantes during July?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during July. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

How warm is the sea in Nantes during July?

The water around Nantes is around 19℃ during July. 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 Nantes

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

9.0

Nantes weather in

January
9.9

Nantes weather in

February
12.7

Nantes weather in

March
15.5

Nantes weather in

April
18.5

Nantes weather in

May
22.4

Nantes weather in

June
24.9

Nantes weather in

July
25.2

Nantes weather in

August
22.9

Nantes weather in

September
18.2

Nantes weather in

October
13.1

Nantes weather in

November
10.2

Nantes weather in

December