May 20 sees frequent showers in Lucerne. Historical data shows a 46% chance of rain, so pack accordingly. Temperatures average 19°C. Lucerne is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Lucerne
Currency
CHF
Fr. Swiss franc
Language
French
+3 more
Driving
Right side
Connect
As of June 2022, Lucerne has 5G from all...
Safety
Very High Safety
GPI: 1.357
Lucerne Weather Forecast for May 20
"Mild & Comfortable. Expect average highs of 18.5°C. 46% chance of snow."
What to Wear in Lucerne in May
Based on historical data for May 20, Lucerne typically experiences temperatures between 8.9°C and 18.5°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 46% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Lucerne
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
18.5°C
Daytime Peak
Average Low
8.9°C
Nighttime Low
Feels Like
18.5°C
🌤️ Feels accurate
Snow Chance
46%
Avg 5mm if it snows
Snowfall
0.1 cm
~46% chance
Pressure
1016.1 hPa
Medium volatility
Lucerne Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 76% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Switzerland
Flight Traffic
Busy
75/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~408
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Lucerne
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:47
☀️ Noon
12:24
🌇 Sunset
20:02
⏱️ Daylight
15h 14m
Wind Speed
7.9 km/h
Light breeze
Sunshine
10.0 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Lucerne
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Lucerne
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
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, Lucerne on May 20 averages 18.5°C with a 46% precipitation probability. Wedding/Outdoor Event Score: 81/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Lucerne 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
19.6°C • 40% rain
Score
89
May 26
19.4°C • 40% rain
Score
88
May 25
19.2°C • 43% rain
Score
86
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Lucerne Worth Visiting on May 20?
Planning a trip to Lucerne on May 20? 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 18.5°C with a 46% historical precipitation risk.
✈️ Travel Logistics: Approximately 408 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Switzerland, including COVID-19.
📊 Historical Extremes: The hottest May 20 recorded in the last 30 years saw temperatures hit 28.5°C in 2022, while the coldest dropped to 6.3°C in 2016.