December Weather in Sao Joao dos Montes

Last updated: March 2, 2024

The weather in Sao Joao dos Montes, Portugal, during December is characterized by an average temperature of 12°C (54°F). Highs can soar to 19°C (66°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Sao Joao dos Montes throughout December hovers around 85%.

3°C (38°F)

Minimum temperature

12°C (54°F)

Average temperature

19°C (66°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Sao Joao dos Montes averages 60 mm (2.4 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 9 hours 28 minutes of daylight, with the sun shining for approximately 7 hours 2 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

60 mm (2.4 inches)

Precipitation

8 rainy days

Rainy days

7 hours 2 minutes

Sunshine hours

38%

Chance of sun

UV Index

In December, the UV Index in Sao Joao dos Montes 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