December weather forecast
Vila Chã, Portugal

December

Weather in December

The first month of the winter, December, is still a mild month in Vila Chã, Portugal, with an average temperature varying between 7.3°C (45.1°F) and 13.6°C (56.5°F).

Temperature

Vila Chã registers an average high-temperature of a still moderate 13.6°C (56.5°F) with the arrival of December, showing minor deviation from the preceding month. Vila Chã experiences a mean low-temperature of 7.3°C (45.1°F) during December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Vila Chã, during December, the rain falls for 13.4 days and regularly aggregates up to 115mm (4.53") of precipitation. Throughout the year, there are 135.4 rainfall days, and 778mm (30.63") of precipitation is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Vila Chã, sunrise is at 07:41 and sunset at 17:06. On the last day of the month, sunrise is at 08:00 and sunset at 17:15 WET.

Sunshine

In Vila Chã, the average sunshine in December is 5.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What is the temperature in December?
The average high-temperature, in December, in Vila Chã, is 13.6°C (56.5°F), while the average low-temperature is 7.3°C (45.1°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 29°C (84.2°F).
What is the average humidity in December?
In December, the average relative humidity is 80%.
How many days does it rain in December?
In Vila Chã, Portugal, during December, the rain falls for 13.4 days and regularly aggregates up to 115mm (4.53") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year in Vila Chã, Portugal, with an average of 9h and 18min of daylight.
How many hours of daylight does Vila Chã have in December?
In December, the average day length is 9h and 16min.
When is the sunrise / sunset in December?
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, sunrise is at 08:00 and sunset at 17:15 WET.
How many hours of sunshine does Vila Chã have in December?
The average sunshine duration in December is 5.6h.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the UV index reading in December?
In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Vila Chã, Portugal
  • Average high temperature in December: 13.6°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in December: 7.3°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (6°C).

Average pressure in December
Vila Chã, Portugal
  • Average pressure in December: 1022.6mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in December
Vila Chã, Portugal
  • Average wind speed in December: 9.1km/h

The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).

Average humidity in December
Vila Chã, Portugal
  • Average humidity in December: 80%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (66%).

Average rainfall in December
Vila Chã, Portugal
  • Average rainfall in December: 115mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in December
Vila Chã, Portugal
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is November (15.7 days).
The month with the least rainy days is August (4.3 days).

Average daylight in December /
Average sunshine in December
Vila Chã, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Vila Chã, Portugal
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (11.6 days).

Average UV index in December
Vila Chã, Portugal
  • Average UV index in December: 3

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

Average cloud cover in December
Vila Chã, Portugal
  • Average cloud cover in December: 41

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Vila Chã, Portugal
  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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