🇪🇸 Weather in Barcelona in December
This is what the weather in Barcelona (Catalonia, Spain) was like in December in 2016–2025.
Key facts at a glance
Avg. daytime high
14.4 °C
12.4 °C – 15.6 °C
Avg. night-time low
6.0 °C
3.2 °C – 7.5 °C
Avg. rain days in period
5.2
17 % of days · ≥ 1.0 mm
Avg. precipitation in period
42.9 mm
5.1 mm – 122 mm
Avg. cloud cover
65 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
Sea temperature unavailable for today (daily limit).
Extremes: Highest temperature 20.5 °C (31 Dec 2021) · Lowest temperature -0.6 °C (3 Dec 2017) · Avg. daily peak wind 19 km/h
Weather mix of all days
- 20Sunny
- 139Partly cloudy
- 99Cloudy
- 29Light rain
- 23Rain
Summary
- On average 14.4 °C during the day and 6.0 °C at night.
- On average 5.2 rain days (Rain day = at least 1.0 mm of precipitation) with 42.9 mm of precipitation in total.
- Prevailing: Partly cloudy.
- Warmest year: 2023 (avg. 15.6 °C), coolest: 2020 (avg. 12.4 °C).
- Wettest year: 2020 (122 mm), driest: 2021 (5.1 mm).
- Extremes: 20.5 °C on 31 Dec 2021 and -0.6 °C on 3 Dec 2017.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2025
Avg. max13.9°Avg. min7.0°- Rain days
- 13 Rain days
- Precipitation
- 110 mm
- Avg. cloud cover
- 73 % cloudy
- Sea temperature
- –
Max 18.8 °C · Min 2.9 °C
2024
Avg. max14.3°Avg. min5.8°- Rain days
- 4 Rain days
- Precipitation
- 25.4 mm
- Avg. cloud cover
- 56 % cloudy
- Sea temperature
- –
Max 19.1 °C · Min 2.4 °C
2023
Avg. max15.6°Avg. min6.0°- Rain days
- 2 Rain days
- Precipitation
- 5.9 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 19.7 °C · Min 3.5 °C
2022
Avg. max15.5°Avg. min7.5°- Rain days
- 5 Rain days
- Precipitation
- 28.3 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 19.9 °C · Min 2.5 °C
2021
Avg. max14.6°Avg. min5.9°- Rain days
- 1 Rain days
- Precipitation
- 5.1 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 20.5 °C · Min 1.0 °C
2020
Avg. max12.4°Avg. min4.4°- Rain days
- 7 Rain days
- Precipitation
- 122 mm
- Avg. cloud cover
- 71 % cloudy
- Sea temperature
- –
Max 16.5 °C · Min 0.4 °C
2019
Avg. max14.8°Avg. min7.0°- Rain days
- 8 Rain days
- Precipitation
- 87.8 mm
- Avg. cloud cover
- 65 % cloudy
- Sea temperature
- –
Max 18.6 °C · Min 3.1 °C
2018
Avg. max15.0°Avg. min6.4°- Rain days
- 2 Rain days
- Precipitation
- 7.1 mm
- Avg. cloud cover
- 71 % cloudy
- Sea temperature
- –
Max 18.9 °C · Min 2.9 °C
2017
Avg. max12.5°Avg. min3.2°- Rain days
- 5 Rain days
- Precipitation
- 14.7 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- –
Max 17.0 °C · Min -0.6 °C
2016
Avg. max14.9°Avg. min6.4°- Rain days
- 5 Rain days
- Precipitation
- 23.1 mm
- Avg. cloud cover
- 60 % cloudy
- Sea temperature
- –
Max 19.1 °C · Min 3.0 °C
Frequently asked questions
- How warm is it in Barcelona in December?
- Daytime highs averaged 14.4 °C, night-time lows 6.0 °C. The highest value of the past 10 years was 20.5 °C (31 Dec 2021), the lowest -0.6 °C (3 Dec 2017).
- How often does it rain in Barcelona in December?
- On average there were 5.2 rain days (at least 1 mm) with 42.9 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in December
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)