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Santiago de Compostela Weather in December
December in Santiago de Compostela sees daytime temperatures around 14°C (57°F) and lows of 6°C (43°F) at night. With around 161 mm (6.3 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Santiago de Compostela in December
Climate statistics over the past 30 years suggest around 20 days of rain, with 161 mm (6.3 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Santiago de Compostela in December
Daytime temperatures in Santiago de Compostela reach 14°C (57°F) in December, dropping to 6°C (43°F) at night. December is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Santiago de Compostela in December
This month is characterized by fewer sunny days, with about 84 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Should you favor a climate that's both dry and comfortably warm, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Santiago de Compostela Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
14°C (57°F)
Chance of Rain
66%
Precipitation
161 mm (6.3 in)
Rainy days
20 days
Humidity
85%
Sunshine
84 hours
Percentage Sunshine
Santiago de Compostela Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santiago de Compostela - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Santiago de Compostela typically stay consistent throughout December, with daily highs averaging around 14°C (57°F). Nights are cold, with lows around 6°C (43°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Santiago de Compostela in December
Browse day-by-day weather records for Santiago de Compostela spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santiago de Compostela historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Santiago de Compostela.
- The warmest day in December was on December 2, 1985, with a maximum of 24°C (75°F).
- The coldest December day was on December 2, 2010, with a maximum of 2°C (36°F).
- The lowest overnight temperature recorded in December was -5°C (23°F) (December 25, 2001).
- The heaviest December precipitation occurred on December 10, 2017, when 102 mm (4 in) of precipitation fell.
Best Places in Spain in December
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Santiago de Compostela in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. With limited sunshine expected, sunglasses aren't a priority for packing.
What To Do in Santiago de Compostela in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10
Santiago de Compostela 3-Day Forecast
More climate data for Santiago de Compostela
Temperature Rainfall Sunshine Humidity
See the full Santiago de Compostela climate overview or explore weather in Spain.
Popular in December
Where to go in December - average daytime high across popular destinations.
Seville
18°C (64°F) Benidorm17°C (63°F) Málaga17°C (63°F) Marbella
16°C (61°F) Valencia16°C (61°F) Calpe
17°C (63°F) Barcelona15°C (59°F) Madrid12°C (54°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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