December Weather in Vales do Rio

Last updated: March 2, 2024

The weather in Vales do Rio, Portugal, during December is characterized by an average temperature of 8°C (46°F). Highs can soar to 16°C (61°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Vales do Rio throughout December hovers around 87%.

0°C (32°F)

Minimum temperature

8°C (46°F)

Average temperature

16°C (61°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In December, Vales do Rio averages 120 mm (4.7 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 9 hours 21 minutes of daylight, with the sun shining for approximately 5 hours 54 minutes each day. Additionally, there is a 36% probability of sunny days during this period.

120 mm (4.7 inches)

Precipitation

12 rainy days

Rainy days

5 hours 54 minutes

Sunshine hours

36%

Chance of sun

UV Index

In December, the UV Index in Vales do Rio reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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	3	2	2	1	1	0	0	0
Exposure	Low					Moderate	Low
Time to burn	45 min					30 min	45 min