December Weather in Leiria

Last updated: March 2, 2024

The weather in Leiria, Portugal, during December is characterized by an average temperature of 11°C (53°F). Highs can soar to 18°C (65°F), while lows may dip to 2°C (35°F). Typically, the humidity level in Leiria throughout December hovers around 85%.

2°C (35°F)

Minimum temperature

11°C (53°F)

Average temperature

18°C (65°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Leiria averages 83 mm (3.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 9 hours 23 minutes of daylight, with the sun shining for approximately 6 hours 30 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

83 mm (3.3 inches)

Precipitation

12 rainy days

Rainy days

6 hours 30 minutes

Sunshine hours

38%

Chance of sun

UV Index

In December, the UV Index in Leiria 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