December Weather in Santiago de Compostela

Last updated: March 2, 2024

The weather in Santiago de Compostela, Spain, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 16°C (62°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Santiago de Compostela throughout December hovers around 85%.

1°C (34°F)

Minimum temperature

10°C (50°F)

Average temperature

16°C (62°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Santiago de Compostela averages 169 mm (6.7 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 9 hours 3 minutes of daylight, with the sun shining for approximately 6 hours 31 minutes each day. Additionally, there is a 33% probability of sunny days during this period.

169 mm (6.7 inches)

Precipitation

17 rainy days

Rainy days

6 hours 31 minutes

Sunshine hours

33%

Chance of sun

UV Index

In December, the UV Index in Santiago de Compostela reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	0	0	1	1	1	2	2	2	2	1	1	0	0
Exposure	Low
Time to burn	45 min