Climate guide for Santiago de Compostela, Spain

Santiago de Compostela in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Spain

Best time to visit Santiago de Compostela in December Weather, crowds & prices

Weather in Santiago de Compostela in December

Average temperature 10°C, 213 mm of rain, about 0 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

3.3/10

Ranked #12 of 12 months

Full year for Santiago de Compostela
Avg temp
10°C
Rainfall
213 mm
Humidity
91%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

December in Santiago de Compostela scores 3.3/10 for sightseeing and cultural travel - ranked #12 of 12. Expect around 10°C, 213 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Santiago de Compostela crowns the Camino with granite cathedral squares, pilgrim rituals, and Galician seafood markets. Best window: late spring through early autumn.

December in Santiago de Compostela — off-season conditions

December averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

213 mm of rain puts this in monsoon territory — almost no days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 3.3/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Figure on low-season pricing, with crowds are light for this destination.

Flexible dates? July scores 6.5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Santiago de Compostela in December?
In December, Santiago de Compostela averages 10°C, 213 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 3.3/10.
Is December a good time to visit Santiago de Compostela?
December earns a 3.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Santiago de Compostela in December?
Expect about 213 mm of rain in December. Average humidity is 91% and there are about 0 days with 6+ hours of sunshine.

Curated in Santiago de Compostela

Tickets & experiences

Things to do in Santiago de Compostela

Santiago de Compostela, Spain. Live activities and tours from GetYourGuide, matched to this destination.