December weather forecast and climate
Vila Franca do Deão, Portugal

Weather in December

December, the first month of the winter, in Vila Franca do Deão, is still a chilly month, with average temperature fluctuating between 3.1°C (37.6°F) and 9.6°C (49.3°F).

Temperature

In December, the average high-temperature is practically the same as in November - a frosty 9.6°C (49.3°F). In December, the average low-temperature is 3.1°C (37.6°F).

Humidity

In Vila Franca do Deão, the average relative humidity is 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 9.8 days and accumulates 65mm (2.56") of precipitation.

Snowfall

Months with snowfall in Vila Franca do Deão are January through April, November and December. In December, in Vila Franca do Deão, it is snowing for 1.7 days. Throughout December, 32mm (1.26") of snow is accumulated. In Vila Franca do Deão, during the entire year, snow falls for 13 days, and aggregates up to 161mm (6.34") of snow.

Daylight

The month with the shortest days is December, with an average of 9.3h of daylight.

Sunshine

The average sunshine in December is 5h.

UV index

Months with the lowest UV index in Vila Franca do Deão are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Vila Franca do Deão?

In December, the average high-temperature is 9.6°C (49.3°F), and the average low-temperature is 3.1°C (37.6°F).

What is the average humidity in December in Vila Franca do Deão?

The average relative humidity in December is 82%.

How many days does it rain in December in Vila Franca do Deão?

In Vila Franca do Deão, during December, the rain falls for 9.8 days and regularly aggregates up to 65mm (2.56") of precipitation.

What is the wettest month in Vila Franca do Deão?

December is the month with the most rainfall in Vila Franca do Deão. Rain falls for 9.8 days and accumulates 65mm (2.56") of precipitation.

How much does it snow in Vila Franca do Deão in December?

In Vila Franca do Deão, during December, snow falls for 1.7 days and regularly aggregates up to 32mm (1.26") of snow.

What is the month with the shortest days in Vila Franca do Deão?

December has the shortest days of the year in Vila Franca do Deão, Portugal, with an average of 9.3h of daylight.

What is the average length of the day in December in Vila Franca do Deão?

In Vila Franca do Deão, Portugal, the average length of the day in December is 9.3h.

How long on average sun shines in December in Vila Franca do Deão?

In Vila Franca do Deão, Portugal, the average sunshine in December is 5h.

When is the lowest UV index in Vila Franca do Deão?

Months with the lowest UV index in Vila Franca do Deão, Portugal, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Vila Franca do Deão?

The average daily maximum UV index in December in Vila Franca do Deão is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Vila Franca do Deão, Portugal

Average temperature in December - Vila Franca do Deão, Portugal
  • Average high temperature in December: 9.6°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 3.1°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

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Average pressure in December
Vila Franca do Deão, Portugal

Average pressure in December - Vila Franca do Deão, Portugal
  • Average pressure in December: 1023.1mbar

The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in December
Vila Franca do Deão, Portugal

Average wind speed in December - Vila Franca do Deão, Portugal
  • Average wind speed in December: 11.3km/h

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

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Average humidity in December
Vila Franca do Deão, Portugal

Average humidity in December - Vila Franca do Deão, Portugal
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in December
Vila Franca do Deão, Portugal

Average rainfall in December - Vila Franca do Deão, Portugal
  • Average rainfall in December: 65mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).

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Average rainfall days in December
Vila Franca do Deão, Portugal

Average rainfall days in December - Vila Franca do Deão, Portugal
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).

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Average snowfall in December
Vila Franca do Deão, Portugal

Average snowfall in December - Vila Franca do Deão, Portugal
  • Average snowfall in December: 32mm

Months with the highest snowfall are January and February (44mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Vila Franca do Deão, Portugal

Average snowfall days in December - Vila Franca do Deão, Portugal
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (3.9 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Vila Franca do Deão, Portugal

Average daylight in December / Average sunshine in December - Vila Franca do Deão, Portugal
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in December
Vila Franca do Deão, Portugal

Average sunshine days in December - Vila Franca do Deão, Portugal
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).

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Average UV index in December
Vila Franca do Deão, Portugal

Average UV index in December - Vila Franca do Deão, Portugal
  • Average UV index in December: 2

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Vila Franca do Deão, Portugal

Average cloud cover in December - Vila Franca do Deão, Portugal
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in December
Vila Franca do Deão, Portugal

Average visibility in December - Vila Franca do Deão, Portugal
  • Average visibility in December: 8km

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January, February, April, November and December (8km).

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