Barcelona Weather in December
In December, Barcelona averages a high of 15°C (59°F) and a low of 7°C (44°F), from 55 years of daily records (1971–2026).
15°C
Average high
59°F
7°C
Average low
44°F
24°C
Record high
75°F · December 9, 1978
-4°C
Record low
26°F · December 25, 2001
What December Is Like in Barcelona
- 10 of the 10 warmest Decembers on record in Barcelona have come since 2011.
- December in Barcelona has become 2.9°C (5.2°F) warmer on average: the 2011–2025 average against 1970–1989.
- The December heat record, 24°C (75°F) on December 9, 1978, has stood for 48 years.
- On average, 0.5 nights in December drop below freezing.
At least 1 mm of rain falls on 14% of December days, and the month averages 44 mm in total.
Warmest: 2022 (17.3°C)Latest: 2025 (15.7°C)10-year averageLong-run average (14.8°C)
Look Up a Day in December
See the weather in Barcelona on any December date, year by year.
Source: NOAA GHCN-Daily, Barcelona/Aeropuerto (1971–2026); Barcelona-El Raval (2008–2026). Averages cover 1971–2026. How we compute this