December Weather in Caldas da Rainha

Last updated: March 2, 2024

The weather in Caldas da Rainha, Portugal, during December is characterized by an average temperature of 13°C (56°F). Highs can soar to 18°C (64°F), while lows may dip to 9°C (48°F). Typically, the humidity level in Caldas da Rainha throughout December hovers around 85%.

9°C (48°F)

Minimum temperature

13°C (56°F)

Average temperature

18°C (64°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Caldas da Rainha averages 73 mm (2.9 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 25 minutes of daylight, with the sun shining for approximately 6 hours 51 minutes each day. Additionally, there is a 36% probability of sunny days during this period.

73 mm (2.9 inches)

Precipitation

11 rainy days

Rainy days

6 hours 51 minutes

Sunshine hours

36%

Chance of sun

UV Index

In December, the UV Index in Caldas da Rainha 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	3	2	1	1	1	0	0
Exposure	Low					Moderate		Low
Time to burn	45 min					30 min		45 min