City break

Bilbao weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

31

Holiday weather in December

Poor

Best time to visit: June – October

What is the weather like in Bilbao in December?

In December, Bilbao is cool: daytime highs average 13 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 2 hours a day. It rains often – on about 15 days, adding up to 107 mm. All in all, December is not an ideal month for a holiday in Bilbao.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score373125
Day15°13°12°
Night11°9°8°
Sun3 h2 h2 h
Rain days171516

More details for December

Daylight
9 h 0 min08:37 – 17:37
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
69 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+1Europe/Madrid

How the score comes together

  • Temperatureweight 50 %49 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %22 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in December

  • A jumper for the evenings
  • Rain jacket or umbrella

Bilbao in December: quick answers

Is Bilbao hot in December?

No. In December, Bilbao is cool: daytime highs average 13 °C and nights drop to about 9 °C.

Does it rain much in Bilbao in December?

It rains often – on about 15 days, adding up to 107 mm.

Bilbao month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences