Saint-Étienne weather

Our guide to the weather in Saint-Étienne during August

26

Average high

4

UV Index

87mm

Monthly rainfall

71%

Humidity

We've looked at the most up-to-date weather data for Saint-Étienne, 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 Saint-Étienne weather in August.

How warm is it in Saint-Étienne during August?

August is typically the hottest month in Saint-Étienne. The temperature hits about 26℃ during the day, falling away to a balmy 12℃ 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 Saint-Étienne during August?

On average, there will be 5 rainy days during the month, amounting to 86.6mm 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. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, August will see just 4 days that produce a storm.

Is it windy in Saint-Étienne during August?

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

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Weather in Saint-Étienne

Our month-by-month guide to the weather and climate in Saint-Étienne

5.4

Saint-Étienne weather in

January
7.2

Saint-Étienne weather in

February
11.4

Saint-Étienne weather in

March
14.8

Saint-Étienne weather in

April
18.1

Saint-Étienne weather in

May
22.9

Saint-Étienne weather in

June
25.6

Saint-Étienne weather in

July
26.0

Saint-Étienne weather in

August
21.5

Saint-Étienne weather in

September
16.6

Saint-Étienne weather in

October
10.5

Saint-Étienne weather in

November
6.9

Saint-Étienne weather in

December