April 18 is generally a great time to visit Ljubljana. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 15°C weather. You'll find plenty of company in Ljubljana this month as tourism activity remains quite robust.
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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 April 18
"Mild & Comfortable. Expect average highs of 15.3°C. 26% chance of snow."
What to Wear in Ljubljana in April
Based on historical data for April 18, Ljubljana typically experiences temperatures between 4.7°C and 15.3°C. We recommend packing light jacket, long pants 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 Ljubljana
Smart Suitcase
- Light Jacket
- Long Pants
Average High
15.3°C
Daytime Peak
Average Low
4.7°C
Nighttime Low
Feels Like
15.3°C
🌤️ Feels accurate
Snow Chance
26%
Avg 1.9mm if it snows
Snowfall
0.1 cm
~26% chance
Pressure
1014.5 hPa
Medium volatility
Ljubljana 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 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.3°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 Slovenia
Flight Traffic
Busy
75/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~24
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ljubljana
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:11
☀️ Noon
12:02
🌇 Sunset
18:52
⏱️ Daylight
13h 40m
Wind Speed
13.6 km/h
Gentle breeze
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
72%
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
🟡 Busy
Price Level
💰💰 Moderate
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 April 18 averages 15.3°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 79/100."
— 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
April 12
14.9°C • 31% rain
Score
85
April 13
15°C • 33% rain
Score
85
April 22
16.7°C • 26% rain
Score
84
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (April 18) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Ljubljana Worth Visiting on April 18?
Planning a trip to Ljubljana on April 18? 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 15.3°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 24 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 April 18 recorded in the last 30 years saw temperatures hit 23.5°C in 2020, while the coldest dropped to 0.8°C in 2024.