30YearWeather
Ljubljana, January 9
Ljubljana street view during January
Historical Weather Analysis

Ljubljana Weather on January 9 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

4.3°C

High

-2.4°C

Low

21%

Rain

❄️ Feels like 1.9°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

January 9 is generally a great time to visit Ljubljana. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 4°C weather. It's a great middle-ground for visiting Ljubljana—enough activity to feel the pulse, but no overwhelming lines.

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 January 9

"Cold & Crisp. Expect average highs of 4.3°C. 21% chance of snow."

What to Wear in Ljubljana in January

Based on historical data for January 9, Ljubljana typically experiences temperatures between -2.4°C and 4.3°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Ljubljana

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

4.3°C

Daytime Peak

Average Low

extreme-cold

-2.4°C

Nighttime Low

Feels Like

partly-cloudy-day

1.9°C

❄️ Slightly colder

Snow Chance

snow

21%

Avg 1.3mm if it snows

Snowfall

snow

0.6 cm

~21% chance

Pressure

pressure

1020.6 hPa

High volatility

Ljubljana Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

82%Highly Predictable

Based on 10 years of data

Temperature
±3.9°CModerate
Precipitation
11-40%Moderate

🎯 This date historically delivers consistent weather 82% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.3Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 267 min to burn

Type III-IV

🟡 401 min to burn

Type V-VI

🟢 668 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

37Poor
TemperatureCold
HumidityMuggy
WindLight Breeze

Dew Point

2°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

Moderate

44/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~14

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Ljubljana

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:44

☀️ Noon

12:10

🌇 Sunset

16:35

⏱️ Daylight

8h 51m

Golden Hour
Morning07:44 - 08:33
15:46 - 16:35Evening

Wind Speed

wind

9.8 km/h

Light breeze

Sunshine

clear-day

4.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

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

☀️ Excellent

83/100

Tourist Crowds

🟢 Moderate

40/100

Price Level

💰💰 Moderate

50/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1020.6 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
142AQI
Unhealthy for Sensitive
PM2.5 Concentration19.5 µg/m³

Unhealthy for sensitive groups. Consider wearing a mask outdoors.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):33
In Jan (30y):3
Last in Jan:2007-01-01
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ljubljana on January 9 averages 4.3°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 35/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Ljubljana Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2025
10.1°C
Coldest
2017
-12.2°C
Rainiest
2018
43.5mm

Better Alternatives Nearby

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💡 Moving your event by a few days could significantly improve weather conditions

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📍 Is Ljubljana Worth Visiting on January 9?

Planning a trip to Ljubljana on January 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 4.3°C with a 21% historical precipitation risk.

✈️ Travel Logistics: Approximately 14 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 January 9 recorded in the last 30 years saw temperatures hit 10.1°C in 2025, while the coldest dropped to -12.2°C in 2017.

Ljubljana Weather FAQ