What August feels like in Lyon
Late summer arrives in Lyon with August. Days are warm enough for short sleeves, and time outdoors is easy. After sunset it cools off noticeably — nights stay mild. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Lyon in August
It is a changeable month: rain comes about one day in 4, with dry spells in between. Rainy days are intense, averaging about 9 mm (0.4 in) — downpours rather than drizzle. Across the year Lyon averages about 7.3 mm per rainy day, so August is typical.
Daylight and sunshine in August
On 15 August the sun rises at about 6:40 am and sets around 8:51 pm local time, giving 14 h 12 min of daylight. Compared with mid-July, the day has lost 1 h 12 min. About 83% of daylight hours are sunny; in short, skies are mostly clear.
How August compares to the rest of the year
In Lyon's temperature order, August sits as the 2nd warmest month. Against July, the average high is 0.5°C (0.9°F) lower, with 4 mm less rain. The cooling trend carries on into September. By September, typical highs are 22.7°C (72.9°F).
Who August suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Lyon in August
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Lyon in August?
Expect around 26.9°C (80.4°F) in the afternoon and 16.4°C (61.5°F) at night, which most visitors would call warm.
Does it rain a lot in Lyon in August?
It does: about 8 rainy days bring roughly 72 mm, so plan some indoor options.
What should I wear in Lyon in August?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is August or September better for visiting Lyon?
August, narrowly: it ranks #1 of 12 among Lyon's months, against #2 for the other. September is cooler.