March 21 is statistically one of the best days of the year in Ljubljana. With minimal rain risk (14%) and pleasant highs of 12°C, it's ideal for outdoor adventures. You'll enjoy Ljubljana with reasonable crowd levels and competitive accommodation options.
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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 March 21
"Mild & Comfortable. Expect average highs of 11.7°C. 14% chance of snow."
What to Wear in Ljubljana in March
Based on historical data for March 21, Ljubljana typically experiences temperatures between 0.8°C and 11.7°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Ljubljana
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
11.7°C
Daytime Peak
Average Low
0.8°C
Nighttime Low
Feels Like
10.8°C
🌤️ Feels accurate
Snow Chance
14%
Avg 1.1mm if it snows
Snowfall
0.4 cm
~14% chance
Pressure
1019.5 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 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 32 min to burn
Type III-IV
🟡 48 min to burn
Type V-VI
🟢 80 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.6°C
Dry air
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
Moderate
59/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~19
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ljubljana
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:05
☀️ Noon
12:10
🌇 Sunset
18:15
⏱️ Daylight
12h 10m
Wind Speed
13.2 km/h
Gentle breeze
Sunshine
8.7 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Ljubljana
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Ljubljana
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
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 March 21 averages 11.7°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 78/100."
— 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 (March 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Ljubljana Worth Visiting on March 21?
Planning a trip to Ljubljana on March 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.7°C with a 14% historical precipitation risk.
✈️ Travel Logistics: Approximately 19 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 March 21 recorded in the last 30 years saw temperatures hit 18.1°C in 2024, while the coldest dropped to -6.2°C in 2021.