Santiago de Compostela weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – September
What is the weather like in Santiago de Compostela in December?
In December, Santiago de Compostela is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 3 hours a day. It rains often – on about 15 days, adding up to 167 mm. All in all, December is not an ideal month for a holiday in Santiago de Compostela.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 34 | 26 | 23 |
| Day | 14° | 12° | 11° |
| Night | 8° | 5° | 5° |
| Sun | 3 h | 3 h | 3 h |
| Rain days | 16 | 15 | 15 |
More details for December
- Daylight
- 9 h 3 min08:58 – 18:01
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+1Europe/Madrid
How the score comes together
- Temperatureweight 50 %40 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %21 %
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
Santiago de Compostela in December: quick answers
Is Santiago de Compostela hot in December?
No. In December, Santiago de Compostela is cool: daytime highs average 12 °C and nights drop to about 5 °C.
Does it rain much in Santiago de Compostela in December?
It rains often – on about 15 days, adding up to 167 mm.
Santiago de Compostela month by month
The whole year in Santiago de CompostelaAll destinations: SpainWhere to go in December
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