Barcelona weather

Our guide to the weather in Barcelona destination during December

14

Average high

4

UV Index

41mm

Monthly rainfall

15

Sea temperature

We've looked at the most up-to-date weather data for Barcelona, covering the last 12 years up to 2022, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Barcelona weather in December.

What's the temperature like in Barcelona during December?

The temperature reaches around 14℃ during the daytime in December, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Barcelona during December?

On average, there will be 2 rainy days during the month, amounting to 40.5mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

How warm is the sea in Barcelona during December?

The water around Barcelona is a bracing 15℃ during December and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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Weather in Barcelona

Our month-by-month guide to the weather and climate in Barcelona

13.2

Barcelona weather in

January
14.0

Barcelona weather in

February
15.7

Barcelona weather in

March
17.6

Barcelona weather in

April
21.2

Barcelona weather in

May
25.5

Barcelona weather in

June
28.3

Barcelona weather in

July
28.5

Barcelona weather in

August
25.7

Barcelona weather in

September
21.9

Barcelona weather in

October
17.2

Barcelona weather in

November
14.2

Barcelona weather in

December