December Weather in Constancia

Last updated: March 2, 2024

The weather in Constancia, Portugal, during December is characterized by an average temperature of 11°C (52°F). Highs can soar to 19°C (66°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Constancia throughout December hovers around 85%.

2°C (36°F)

Minimum temperature

11°C (52°F)

Average temperature

19°C (66°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Constancia averages 68 mm (2.7 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 9 hours 25 minutes of daylight, with the sun shining for approximately 6 hours 33 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

68 mm (2.7 inches)

Precipitation

8 rainy days

Rainy days

6 hours 33 minutes

Sunshine hours

42%

Chance of sun

UV Index

In December, the UV Index in Constancia 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	1	0	0
Exposure	Low					Moderate	Low
Time to burn	45 min					30 min	45 min