Rennes weather
Our guide to the weather in Rennes during July
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 July.
How warm is it in Rennes during July?
July is typically the warmest month in Rennes. The temperature reaches around 24℃ during the daytime, falling away to 13℃ 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 July?
On average, there will be 3 rainy days during the month, amounting to 50.2mm 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 Rennes during July?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in July. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.
How warm is the sea in Rennes during July?
The water around Rennes 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.
Weather in Rennes
Our month-by-month guide to the weather and climate in Rennes
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