December 17 is generally a great time to visit Lyon. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 7°C weather. Lyon is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 December 17
"Mild & Comfortable. Expect average highs of 7.4°C. 26% chance of snow."
What to Wear in Lyon in December
Based on historical data for December 17, Lyon typically experiences temperatures between 1.5°C and 7.4°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Lyon
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
7.4°C
Daytime Peak
Average Low
1.5°C
Nighttime Low
Feels Like
4.7°C
❄️ Slightly colder
Snow Chance
26%
Avg 1.5mm if it snows
Snowfall
0.2 cm
~26% chance
Pressure
1022.3 hPa
High 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 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
5.2°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in France
Flight Traffic
High
94/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~232
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Lyon
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:17
☀️ Noon
12:37
🌇 Sunset
16:58
⏱️ Daylight
8h 41m
Wind Speed
15.2 km/h
Gentle breeze
Sunshine
5.0 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Lyon
Smart Flight Estimator
Airport-to-Airport Logistics
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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
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
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 December 17 averages 7.4°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 52/100."
— 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
December 24
8.8°C • 23% rain
Score
60
December 23
8.8°C • 26% rain
Score
59
December 22
8.7°C • 27% rain
Score
58
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Lyon Worth Visiting on December 17?
Planning a trip to Lyon on December 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 7.4°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 232 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 December 17 recorded in the last 30 years saw temperatures hit 17°C in 2019, while the coldest dropped to -4.4°C in 2022.