May 31 is generally a great time to visit Lyon. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 23°C weather. It's a great middle-ground for visiting Lyon—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Lyon
Currency
EUR
€ Euro
Language
French
Driving
Right side
Connect
Lyon has 5G from all French carriers. Wi...
Safety
High Safety
GPI: 1.895
Lyon Weather Forecast for May 31
"Mild & Comfortable. Expect average highs of 23°C. 28% chance of rain."
What to Wear in Lyon in May
Based on historical data for May 31, Lyon typically experiences temperatures between 12.7°C and 23°C. We recommend packing light jacket, long pants to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Lyon
Smart Suitcase
- Light Jacket
- Long Pants
Average High
23°C
Daytime Peak
Average Low
12.7°C
Nighttime Low
Feels Like
23.4°C
☀️ Feels accurate
Rain Chance
28%
Avg 1.8mm if it rains
Cloud Cover
55%
Overcast
Pressure
1016.8 hPa
Low volatility
Lyon Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.5°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in France
Flight Traffic
Moderate
49/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~120
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Lyon
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:56
☀️ Noon
12:39
🌇 Sunset
20:22
⏱️ Daylight
15h 26m
Wind Speed
15.2 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
67%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Lyon
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
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Travel Health & Safety in Lyon
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Lyon on May 31 averages 23°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Lyon Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 27
22.7°C • 19% rain
Score
99
May 28
22.9°C • 18% rain
Score
99
May 25
22.1°C • 21% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Lyon Worth Visiting on May 31?
Planning a trip to Lyon on May 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 23°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 120 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.
📊 Historical Extremes: The hottest May 31 recorded in the last 30 years saw temperatures hit 32°C in 2025, while the coldest dropped to 10.5°C in 2021.