December 4 is generally a great time to visit Ljubljana. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 5°C weather. It's a lively time to explore Ljubljana, with most attractions operating at full capacity.
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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 December 4
"Mild & Comfortable. Expect average highs of 5.2°C. 29% chance of snow."
What to Wear in Ljubljana in December
Based on historical data for December 4, Ljubljana typically experiences temperatures between -0.5°C and 5.2°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Ljubljana
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
5.2°C
Daytime Peak
Average Low
-0.5°C
Nighttime Low
Feels Like
3°C
❄️ Slightly colder
Snow Chance
29%
Avg 2.2mm if it snows
Snowfall
0.7 cm
~29% chance
Pressure
1018.2 hPa
High volatility
Ljubljana Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
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
3.5°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 Slovenia
Flight Traffic
Busy
66/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~21
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ljubljana
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:28
☀️ Noon
11:53
🌇 Sunset
16:19
⏱️ Daylight
8h 50m
Wind Speed
9.4 km/h
Light breeze
Sunshine
3.4 hrs
Direct Sun (Cloud-free)
Humidity
89%
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
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
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 December 4 averages 5.2°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 38/100."
— 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
November 27
6.9°C • 28% rain
Score
47
November 28
6.5°C • 27% rain
Score
46
November 29
6.3°C • 28% rain
Score
44
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 4) in other destinations
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📍 Is Ljubljana Worth Visiting on December 4?
Planning a trip to Ljubljana on December 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 5.2°C with a 29% historical precipitation risk.
✈️ Travel Logistics: Approximately 21 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 December 4 recorded in the last 30 years saw temperatures hit 11.8°C in 2018, while the coldest dropped to -6.8°C in 2017.