May weather forecast
Lyon, France

May in Lyon is a delightful period characterized by bright, sunny days. This is the first month of the year in Lyon without snowfall, indicative of steadily warming conditions. The city awakens in full force with bustling outdoor markets and the opening of local park attractions. Indulging in riverside picnics and strolls through the historic city center become common pastimes. Included among Lyon's weather spectacles, May presents an optimal blend of comfortable temperatures and inviting sunshine.

Temperature

The coming of May brings a minor shift in Lyon's weather, with average high-temperatures adjusting from April's enjoyable 16.3°C (61.3°F) to an agreeable 20.8°C (69.4°F). The average temperature during May nights dips to a fresh 10.7°C (51.3°F).

Humidity

In Lyon, the average relative humidity in May is 72%.

Rainfall

In Lyon, in May, it is raining for 11.3 days, with typically 91mm (3.58") of accumulated precipitation. In Lyon, during the entire year, the rain falls for 104.1 days and collects up to 832mm (32.76") of precipitation.

Snowfall

In Lyon, snow does not fall in May through October.

Daylight

In May, the average length of the day in Lyon is 14h and 56min.
On the first day of the month, sunrise is at 06:27 and sunset at 20:48. On the last day of May, sunrise is at 05:54 and sunset at 21:22 CEST.

Sunshine

In May, the average sunshine is 7.1h.

UV index

In Lyon, France, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.