Barcelona in December

In December, Barcelona averages 14°C (57°F) during the day and 6°C (43°F) at night, with around 5 days of rain (51 mm total).

High season

Conditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.

December in Barcelona is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

14°C
Avg high
6°C
Avg low
5
Rain days
51 mm
Rainfall

How December compares to the rest of the year in Barcelona

12th
warmest month of the 12
8th
wettest month of the 12
8%
of yearly rainfall falls in December
9 h 12 min
daylight on the 15th

December is one of the coolest months in Barcelona (12th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 7°C below the annual average (21°C). December runs 3°C cooler than November (17°C) and stays flat into January.

December sunrise & sunset in Barcelona

🌅
Sunrise (15th)
8:10 AM
🌇
Sunset (15th)
5:22 PM
Day length
9 h 12 min

Times shown for Barcelona local time (Europe/Madrid), calculated for the 15th of December. They shift by a few minutes day to day across the month.

Photography light in Barcelona — December

Golden-hour and blue-hour windows for the 15th of December, in Barcelona's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
7:10 AM – 7:50 AM
🌄 Golden hour (AM)
7:50 AM – 8:50 AM
🌇 Golden hour (PM)
4:42 PM – 5:42 PM
🌆 Blue hour (PM)
5:42 PM – 6:22 PM

📅 When to book — Barcelona in December

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (High season) and Barcelona's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

Crowds & pricing — December in Barcelona

High season

This is a busy month in Barcelona — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather Christmas / New Year travel surge

Sun & mosquito risk — December in Barcelona

☀️ UV Index (noon, 15th)
4.3
Moderate
Use SPF 15-30 for prolonged outdoor exposure; sunglasses recommended at peak hours.
🦟 Mosquito risk
○○○○○
None
Mosquitoes are essentially absent — cold weather keeps populations dormant.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Barcelona — December

15.6°C (60°F)
cold
wetsuit territory for most people

Across the year Barcelona's sea swings from 13.5°C (February) to 27.4°C (August) — December sits at 15.6°C.

Barcelona in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 14°C / 57°F 5°C / 41°F 41 mm 5
February 15°C / 59°F 6°C / 43°F 36 mm 4
March 17°C / 63°F 8°C / 46°F 47 mm 5
April 19°C / 66°F 10°C / 50°F 49 mm 6
May 22°C / 72°F 14°C / 57°F 53 mm 5
June 26°C / 79°F 17°C / 63°F 35 mm 4
July 29°C / 84°F 20°C / 68°F 26 mm 3
August 29°C / 84°F 21°C / 70°F 49 mm 4
September 26°C / 79°F 18°C / 64°F 75 mm 6
October 22°C / 72°F 14°C / 57°F 87 mm 6
November 17°C / 63°F 9°C / 48°F 60 mm 6
December 14°C / 57°F 6°C / 43°F 51 mm 5

Other cities with similar December weather

🌍 See the full ranked list of climate twins for Barcelona in December →

Frequently asked questions

How hot is Barcelona in December?

In December, Barcelona averages a high of 14°C (57°F) and a low of 6°C (43°F) — generally cool.

Does it rain a lot in Barcelona in December?

December sees occasional rain in Barcelona, with about 5 rainy days on average.

Is December a good time to visit Barcelona?

December is cool and mostly dry. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Barcelona in December?

Pack a warm jacket and layers. See the full December packing list for Barcelona for a complete, climate-based checklist.

Open Barcelona on the interactive map

Check the live 10-day forecast and sunrise/sunset.