December 15 is generally a great time to visit Barcelona. While there is a slight chance of rain (15%), showers are usually brief. Expect comfortable 14°C weather. Barcelona is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Barcelona
Currency
EUR
€ Euro
Language
Spanish
+3 more
Driving
Right side
Connect
Barcelona has 5G from all Spanish carrie...
Safety
High Safety
GPI: 1.603
Barcelona Weather Forecast for December 15
"Mild & Comfortable. Expect average highs of 13.8°C. 15% chance of snow."
What to Wear in Barcelona in December
Based on historical data for December 15, Barcelona typically experiences temperatures between 7°C and 13.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (15% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Barcelona
Smart Suitcase
- Light Jacket
- Long Pants
Average High
13.8°C
Daytime Peak
Average Low
7°C
Nighttime Low
Feels Like
13.5°C
🌤️ Feels accurate
Snow Chance
15%
Avg 0.7mm if it snows
Snowfall
0.1 cm
~15% chance
Pressure
1019 hPa
High volatility
Barcelona Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% 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
10°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Spain
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~1,296
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Barcelona
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:11
☀️ Noon
12:47
🌇 Sunset
17:23
⏱️ Daylight
9h 12m
Wind Speed
12.4 km/h
Gentle breeze
Sunshine
6.6 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Barcelona
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Barcelona
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Barcelona on December 15 averages 13.8°C with a 15% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Barcelona Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 8
14.5°C • 10% rain
Score
99
December 9
14.2°C • 14% rain
Score
98
December 22
14.4°C • 11% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 15) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Barcelona Worth Visiting on December 15?
Planning a trip to Barcelona on December 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.8°C with a 15% historical precipitation risk.
✈️ Travel Logistics: Approximately 1,296 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Spain, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 15.7°C (polar plunge). Wave conditions are generally fun waves with heights around 0.9m.
📊 Historical Extremes: The hottest December 15 recorded in the last 30 years saw temperatures hit 18.3°C in 2023, while the coldest dropped to 4.3°C in 2021.