Lyon, France skyline

Lyon Weather in May

The usual May conditions in Lyon, France, drawn from 2006–2025 records.

Lyon in May: highs near 20.3°C (68.5°F), lows near 10.7°C (51.3°F), roughly 13 rainy days adding up to 98 mm, and 10.9 hours of sunshine on an average day.

Avg high

20.3°C (68.5°F)

Avg low

10.7°C (51.3°F)

Rainfall

98 mm (3.8 in)

Rainy days

13 days

Sunshine

10.9 h / day

Humidity

69%

May vs the rest of the year

4 of the other 11 months are warmer than May in Lyon; for rain it is the wettest month.

MonthAvg highvs MayRainRainy days
January6.8°C (44.2°F)−13.5°C (−24.3°F)67 mm12
February9°C (48.2°F)−11.3°C (−20.3°F)54 mm9
March12.8°C (55°F)−7.5°C (−13.5°F)65 mm12
April16.9°C (62.4°F)−3.4°C (−6.1°F)68 mm10
May20.3°C (68.5°F)—98 mm13
June25.2°C (77.4°F)+4.9°C (+8.8°F)85 mm11
July27.4°C (81.3°F)+7.1°C (+12.8°F)76 mm10
August26.9°C (80.4°F)+6.6°C (+11.9°F)72 mm8
September22.7°C (72.9°F)+2.4°C (+4.3°F)77 mm8
October17.6°C (63.7°F)−2.7°C (−4.9°F)93 mm10
November11.4°C (52.5°F)−8.9°C (−16°F)94 mm12
December7.7°C (45.9°F)−12.6°C (−22.7°F)79 mm12

What May feels like in Lyon

For Lyon, May is late spring on the calendar. Mild afternoons make it easy to spend hours outdoors. After dark the temperature drops clearly: nights are cool. Moist air is typical, yet it seldom feels heavy at this time of year.

Rain in Lyon in May

May is persistently wet here: some rain falls on about one day in 2. Wet days average about 7.5 mm (0.3 in), enough to soak you without an umbrella. The yearly figure is similar, around 7.3 mm per wet day. May is Lyon's wettest month of the year.

Daylight and sunshine in May

In mid-May, sunrise is at about 6:10 am and sunset at about 9:03 pm (local time) — 14 h 53 min of daylight. Since mid-April the day has gained 1 h 24 min. About 73% of daylight hours are sunny; in short, there are plenty of bright spells.

How May compares to the rest of the year

May is the 5th warmest month of the year in Lyon. Compared with April, afternoons are 3.4°C (6.1°F) warmer, with 29 mm more rain. June continues the upward trend. By June, typical highs are 25.2°C (77.4°F).

Who May suits

  • Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
  • Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.

Tips for visiting Lyon in May

Versatile Layers

Days are noticeably warmer than nights — layers you can add or remove.

Rain Protection

A compact umbrella and a light waterproof jacket.

Sunglasses

Frequent sunshine — sunglasses and a light hat.

Quick questions

How warm is Lyon in May?

It feels mild: typical highs are 20.3°C (68.5°F), with lows near 10.7°C (51.3°F).

Does it rain a lot in Lyon in May?

Quite a lot — 98 mm spread over about 13 days.

What should I wear in Lyon in May?

Pack versatile layers, rain protection and sunglasses. Add a layer for after dark.

Is May or June better for visiting Lyon?

On our 12-month climate ranking, June comes out ahead (#6 of 12 vs #7). June is warmer and has fewer rainy days.

Is May a good time to visit Lyon?

Good

Good — comfortable temperatures, frequent rain (about 13 rainy days), plenty of sunshine (10.9 h a day). Within Lyon's own year, May ranks #7 of 12.

May in other France cities

Warmer or drier places in May

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Lyon weather by month.