Temperature
Warm by day, mild at night.
Lyon is most comfortable in early autumn. Summers are warm and winters are cool. Rain is spread through the year. Humidity is usually low.

Warm by day, mild at night.
Moderate rain risk across the month.
Very sunny skies.
Some hot afternoons, with mostly dry air.
In August, afternoons feel about 80° and nights feel near 64°.
Partly cloudy across the month.
August late afternoons are around 82°F, easing to about 78°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Lyon with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology