The highest day temperature in January 2026 was 59°F. The lowest night temperature was 39°F. The average values for day and night temperatures during January were 53.1°F и 48.7°F respectivly.

The average sea surface temperature in January 2026 for Barcelona was 57.7°F. The maximum and minimum values were 56.6°F and 58.8°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Barcelona is 1.5 in.

The average wind speed in January is 7.5 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Barcelona in January is 7.0 hours.