December Weather in Barcelona

Last updated: March 2, 2024

The weather in Barcelona, Spain, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 18°C (64°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Barcelona throughout December hovers around 79%.

3°C (38°F)

Minimum temperature

10°C (50°F)

Average temperature

18°C (64°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

In December, Barcelona averages 30 mm (1.2 inches) of rainfall, typically over the course of 4 rainy days. The month enjoys an average of 9 hours 12 minutes of daylight, with the sun shining for approximately 8 hours 23 minutes each day. Additionally, there is a 53% probability of sunny days during this period.

30 mm (1.2 inches)

Precipitation

4 rainy days

Rainy days

8 hours 23 minutes

Sunshine hours

53%

Chance of sun

UV Index

In December, the UV Index in Barcelona reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 1 1 2 2 2 2 1 1 1 0 0
Exposure Low
Time to burn 45 min

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