December Weather in Santo Tirso

Last updated: March 2, 2024

The weather in Santo Tirso, Portugal, during December is characterized by an average temperature of 11°C (52°F). Highs can soar to 17°C (64°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Santo Tirso throughout December hovers around 87%.

4°C (39°F)

Minimum temperature

11°C (52°F)

Average temperature

17°C (64°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In December, Santo Tirso averages 187 mm (7.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 9 hours 15 minutes of daylight, with the sun shining for approximately 5 hours 51 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

187 mm (7.4 inches)

Precipitation

15 rainy days

Rainy days

5 hours 51 minutes

Sunshine hours

34%

Chance of sun

UV Index

In December, the UV Index in Santo Tirso reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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	1	2	2	2	2	1	1	0	0	0
Exposure	Low
Time to burn	45 min