How warm is it in Barcelona in January?

Daytime highs averaged 13.0 °C, night-time lows 4.1 °C. The highest value of the past 10 years was 21.9 °C (24 Jan 2024), the lowest -2.3 °C (7 Jan 2026).

How often does it rain in Barcelona in January?

On average there were 5.5 rain days (at least 1 mm) with 44.8 mm of precipitation in total.

🇪🇸 Weather in Barcelona in January

This is what the weather in Barcelona (Catalonia, Spain) was like in January in 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

13.0 °C

11.0 °C – 14.6 °C

Avg. night-time low

4.1 °C

2.1 °C – 5.7 °C

Avg. rain days in period

5.5

18 % of days · ≥ 1.0 mm

Avg. precipitation in period

44.8 mm

6.7 mm – 122 mm

Avg. cloud cover

67 %

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 21.9 °C (24 Jan 2024) · Lowest temperature -2.3 °C (7 Jan 2026) · Avg. daily peak wind 20 km/h

Weather mix of all days

4Sunny
152Partly cloudy
99Cloudy
35Light rain
20Rain

Summary

On average 13.0 °C during the day and 4.1 °C at night.
On average 5.5 rain days (Rain day = at least 1.0 mm of precipitation) with 44.8 mm of precipitation in total.
Prevailing: Partly cloudy.
Warmest year: 2024 (avg. 14.6 °C), coolest: 2021 (avg. 11.0 °C).
Wettest year: 2020 (122 mm), driest: 2022 (6.7 mm).
Extremes: 21.9 °C on 24 Jan 2024 and -2.3 °C on 7 Jan 2026.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max11.7°Avg. min4.3°
Rain days
11 Rain days
Precipitation
116 mm
Avg. cloud cover
80 % cloudy
Sea temperature
–
Max 15.2 °C · Min -2.3 °C
2025
Avg. max13.9°Avg. min5.0°
Rain days
2 Rain days
Precipitation
9.3 mm
Avg. cloud cover
63 % cloudy
Sea temperature
–
Max 18.1 °C · Min 0.6 °C
2024
Avg. max14.6°Avg. min5.7°
Rain days
3 Rain days
Precipitation
25.2 mm
Avg. cloud cover
69 % cloudy
Sea temperature
–
Max 21.9 °C · Min -0.3 °C
2023
Avg. max12.8°Avg. min3.6°
Rain days
2 Rain days
Precipitation
9.9 mm
Avg. cloud cover
63 % cloudy
Sea temperature
–
Max 15.8 °C · Min -2.0 °C
2022
Avg. max14.3°Avg. min4.3°
Rain days
1 Rain days
Precipitation
6.7 mm
Avg. cloud cover
54 % cloudy
Sea temperature
–
Max 20.3 °C · Min 0.0 °C
2021
Avg. max11.0°Avg. min2.7°
Rain days
7 Rain days
Precipitation
41.0 mm
Avg. cloud cover
75 % cloudy
Sea temperature
–
Max 18.3 °C · Min -0.7 °C
2020
Avg. max13.1°Avg. min5.1°
Rain days
7 Rain days
Precipitation
122 mm
Avg. cloud cover
68 % cloudy
Sea temperature
–
Max 17.1 °C · Min 1.3 °C
2019
Avg. max12.6°Avg. min2.1°
Rain days
5 Rain days
Precipitation
19.6 mm
Avg. cloud cover
63 % cloudy
Sea temperature
–
Max 17.5 °C · Min -0.8 °C
2018
Avg. max14.2°Avg. min5.1°
Rain days
9 Rain days
Precipitation
54.8 mm
Avg. cloud cover
66 % cloudy
Sea temperature
–
Max 20.0 °C · Min 0.8 °C
2017
Avg. max11.3°Avg. min3.1°
Rain days
8 Rain days
Precipitation
43.4 mm
Avg. cloud cover
71 % cloudy
Sea temperature
–
Max 16.3 °C · Min -1.9 °C

Frequently asked questions

How warm is it in Barcelona in January?: Daytime highs averaged 13.0 °C, night-time lows 4.1 °C. The highest value of the past 10 years was 21.9 °C (24 Jan 2024), the lowest -2.3 °C (7 Jan 2026).
How often does it rain in Barcelona in January?: On average there were 5.5 rain days (at least 1 mm) with 44.8 mm of precipitation in total.

Check your exact travel dates

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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)