December Weather in Arcos

Last updated: March 2, 2024

The weather in Arcos, Portugal, during December is characterized by an average temperature of 11°C (52°F). Highs can soar to 18°C (66°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Arcos throughout December hovers around 87%.

2°C (36°F)

Minimum temperature

11°C (52°F)

Average temperature

18°C (66°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In December, Arcos averages 135 mm (5.3 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 9 hours 18 minutes of daylight, with the sun shining for approximately 6 hours 11 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

135 mm (5.3 inches)

Precipitation

14 rainy days

Rainy days

6 hours 11 minutes

Sunshine hours

38%

Chance of sun

UV Index

In December, the UV Index in Arcos reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 10:00 and 12:00, 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	1	1	2	2	2	2	2	1	1	1	0	0
Exposure	Low
Time to burn	45 min