December weather forecast
Aldoar, Portugal

December

Weather in December

December, the first month of the winter in Aldoar, is also a moderate month, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 8.8°C (47.8°F).

Temperature

The shift from November to December is characterized by an average high-temperature of a still refreshing 13.6°C (56.5°F), not significantly different from the 15.3°C (59.5°F) of November. Recording a slight drop from the daily maximum, Aldoar notes an average low temperature of 8.8°C (47.8°F) in the month of December.

Humidity

In December, the average relative humidity in Aldoar is 79%.

Rainfall

In Aldoar, Portugal, in December, during 13.8 rainfall days, 113mm (4.45") of precipitation is typically accumulated. Throughout the year, in Aldoar, there are 137 rainfall days, and 815mm (32.09") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 07:41 and sunset at 17:06. On the last day of December, in Aldoar, sunrise is at 07:59 and sunset at 17:15 WET.

Sunshine

In Aldoar, the average sunshine in December is 5.5h.

UV index

The months with the lowest UV index in Aldoar are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are December temperatures in Aldoar?
Aldoar in December has an average high-temperature of 13.6°C (56.5°F) and an average low-temperature of 8.8°C (47.8°F).
What is the average humidity in December in Aldoar?
In Aldoar, Portugal, the average relative humidity in December is 79%.
How many days does it rain in December in Aldoar?
In Aldoar, Portugal, during December, the rain falls for 13.8 days and regularly aggregates up to 113mm (4.45") of precipitation.
What is the month with the shortest days in Aldoar?
December has the shortest days of the year in Aldoar, Portugal, with an average of 9h and 18min of daylight.
How many hours of daylight does Aldoar have in December?
In Aldoar, the average day length in December is 9h and 16min.
When is the sunrise / sunset in December in Aldoar?
In December, on the first day of the month, sunrise is at 07:41 and sunset at 17:06. On the last day of the month, in Aldoar, sunrise is at 07:59 and sunset at 17:15 WET.
How long on average sun shines in December in Aldoar?
The average sunshine duration in December is 5.5h.
When is the lowest UV index in Aldoar?
The months with the lowest UV index in Aldoar are January, February, November and December, with an average maximum UV index of 3.
How high is the UV index in December in Aldoar?
The average daily maximum UV index in December in Aldoar, Portugal, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Aldoar, Portugal
  • Average high temperature in December: 13.6°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in December: 8.8°C

The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).

Average pressure in December
Aldoar, Portugal
  • Average pressure in December: 1022.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in December
Aldoar, Portugal
  • Average wind speed in December: 11.9km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).

Average humidity in December
Aldoar, Portugal
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (68%).

Average rainfall in December
Aldoar, Portugal
  • Average rainfall in December: 113mm

The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in December
Aldoar, Portugal
  • Average rainfall days in December: 13.8 days

The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is August (4.7 days).

Average daylight in December /
Average sunshine in December
Aldoar, Portugal
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Aldoar, Portugal
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is November (11.9 days).

Average UV index in December
Aldoar, Portugal
  • Average UV index in December: 3

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Aldoar, Portugal
  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in December
Aldoar, Portugal
  • Average visibility in December: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).

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