Barcelona weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: May – August
What is the weather like in Barcelona in December?
In December, Barcelona is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sea averages 15.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 40 mm. All in all, December is a good month for a holiday in Barcelona.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 71 | 63 | 60 |
| Day | 16° | 13° | 13° |
| Night | 11° | 8° | 7° |
| Sea | 18° | 15° | 14° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 8 | 6 | 6 |
More details for December
- Daylight
- 9 h 13 min08:10 – 17:23
- UV index
- 1 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Madrid
How the score comes together
- Temperatureweight 50 %53 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %89 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
Barcelona in December: quick answers
Is Barcelona hot in December?
No. In December, Barcelona is cool: daytime highs average 13 °C and nights drop to about 8 °C.
Can you swim in Barcelona in December?
Only if you don't mind cold water: in December the sea averages just 15.1 °C. Comfortable swimming is possible from June to October.
Does it rain much in Barcelona in December?
Rain falls on about 6 days, adding up to 40 mm.
Barcelona month by month
The whole year in BarcelonaAll destinations: Spain
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)