Weather in Lyon in August 2025
Average weather
Average temperature in Lyon in August
The temperature in August is +31°C on average, with a range between a maximum of +41°C during the day and a minimum of +10°C at night.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.
Is Lyon warm or cold in August?
Lyon is typically warm in August.
Maximum temperatures go down compared to the previous month from +28°C to +27°C. The minimum temperature also goes down from +17°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Lyon, here is the comparison with other months:
Climate in Lyon in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +27°C | +23°C | ||||
| Min. temperature | ||||||
| +9°C | +6°C | +2°C | ||||
| Max. temperature | ||||||
| +40°C | +41°C | +35°C | ||||
| Rainfall | ||||||
| 77 mm | 85 mm | 89 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 62% | 64% | 71% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 11 | 11 | 10 | ||||
| Cloudy days | ||||||
| 5 | 5 | 7 | ||||
| Rainy days | ||||||
| 12 | 12 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting colder in August. From +28°C in the day, the average maximum temperature lowers to +27°C. Prepare for more rain. Average rainfall goes from 77 mm to 85 mm. Humidity rises from 62% to 64%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Lyon is gradually decreasing during August, going from 3 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in Lyon?
Climate Change over Years
The climate in Lyon in August has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+15°C) and the highest in 2023 (+20°C). The driest year was 1991 with only 641 mm of rainfall, and the wettest year was 1987 with 1253 mm.
FAQ
Is August a good time to visit Lyon?
Can you sunbathe in Lyon in August?
Is Lyon rainy in August?
Is it sunny in Lyon in August?
Other cities in France
Monthly weather in Lyon
Source of the data
For this page, we’ve looked at the typical weather in Lyon, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.