June 4 is generally a great time to visit Ljubljana. While there is a slight chance of rain (39%), showers are usually brief. Expect comfortable 23°C weather. Ljubljana is seeing high visitor numbers, so iconic spots may be busier than usual.
View the full calendar
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 June 4
"Mild & Comfortable. Expect average highs of 22.9°C. 39% chance of rain."
What to Wear in Ljubljana in June
Based on historical data for June 4, Ljubljana typically experiences temperatures between 12.5°C and 22.9°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 39% 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
- Umbrella
Average High
22.9°C
Daytime Peak
Average Low
12.5°C
Nighttime Low
Feels Like
23.4°C
☀️ Feels accurate
Rain Chance
39%
Avg 2.6mm if it rains
Cloud Cover
60%
Light drizzle
Pressure
1015.3 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 94% 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
🔴 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
18.6°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 Slovenia
Flight Traffic
Busy
72/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~23
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ljubljana
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:14
☀️ Noon
12:01
🌇 Sunset
19:48
⏱️ Daylight
15h 34m
Wind Speed
11.1 km/h
Light breeze
Sunshine
11.5 hrs
Direct Sun (Cloud-free)
Humidity
77%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Ljubljana
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Ljubljana
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very 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 June 4 averages 22.9°C with a 39% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— 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
Better Alternatives Nearby
Consider these dates within ±7 days
May 28
21.3°C • 24% rain
Score
97
May 29
21.1°C • 27% rain
Score
96
May 30
21.1°C • 28% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Ljubljana Worth Visiting on June 4?
Planning a trip to Ljubljana on June 4? 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 22.9°C with a 39% historical precipitation risk.
✈️ Travel Logistics: Approximately 23 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 June 4 recorded in the last 30 years saw temperatures hit 30.5°C in 2022, while the coldest dropped to 11.7°C in 2020.