Lyon weather

Our guide to the weather in Lyon during May

20

Average high

5

UV Index

180mm

Monthly rainfall

16

Sea temperature

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

What's the temperature like in Lyon during May?

The temperature reaches around 20℃ during the daytime in May, falling away to 8℃ 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 Lyon during May?

May is typically the wettest month in Lyon. On average, there will be 9 rainy days during the month, amounting to 180.2mm 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 Lyon during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With moderate air temperatures, any breeze will feel cool.

How warm is the sea in Lyon during May?

The water around Lyon is a bracing 16℃ during May and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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Lyon Blog posts

From the UK's most popular travel bloggers

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Weather in Lyon

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

6.2

Lyon weather in

January
8.1

Lyon weather in

February
12.8

Lyon weather in

March
16.5

Lyon weather in

April
19.7

Lyon weather in

May
24.6

Lyon weather in

June
27.2

Lyon weather in

July
27.5

Lyon weather in

August
23.0

Lyon weather in

September
17.6

Lyon weather in

October
11.4

Lyon weather in

November
7.5

Lyon weather in

December