May 1 is generally a great time to visit Ljubljana. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 19°C weather. Ljubljana is currently in its most popular travel window, meaning vibrant crowds and premium pricing. Note: May 1 is Labour Day in Ljubljana, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Ljubljana
Currency
EUR
€ Euro
Language
Slovene
Driving
Right side
Connect
As of 2025, Ljubljana has excellent 5G a...
Safety
Very High Safety
GPI: 1.316
Ljubljana Weather Forecast for May 1
"Mild & Comfortable. Expect average highs of 18.6°C. 30% chance of rain."
What to Wear in Ljubljana in May
Based on historical data for May 1, Ljubljana typically experiences temperatures between 7.8°C and 18.6°C. We recommend packing light jacket, long pants to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Ljubljana
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.6°C
Daytime Peak
Average Low
7.8°C
Nighttime Low
Feels Like
18.6°C
🌤️ Feels accurate
Rain Chance
30%
Avg 1.9mm if it rains
Cloud Cover
64%
Light drizzle
Pressure
1014.7 hPa
Medium volatility
Ljubljana Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 78% 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 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.3°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Labour Day
Flight Traffic
High
84/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~27
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ljubljana
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:50
☀️ Noon
12:00
🌇 Sunset
19:10
⏱️ Daylight
14h 19m
Wind Speed
13.1 km/h
Gentle breeze
Sunshine
10.3 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Ljubljana
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Ljubljana
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.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ljubljana on May 1 averages 18.6°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 88/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Ljubljana Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 1) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Ljubljana Worth Visiting on May 1?
Planning a trip to Ljubljana on May 1? 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 18.6°C with a 30% historical precipitation risk.
🎉 Local Event: The date coincides with Labour Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 27 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Slovenia, including COVID-19.
📊 Historical Extremes: The hottest May 1 recorded in the last 30 years saw temperatures hit 23.8°C in 2025, while the coldest dropped to 5.3°C in 2017.