December weather forecast and climate
Vilarouco, Portugal

Weather in December

December, the first month of the winter, in Vilarouco, is also a fresh month, with average temperature fluctuating between 10.1°C (50.2°F) and 3.2°C (37.8°F).

Temperature

In December, the average high-temperature is practically the same as in November - a still fresh 10.1°C (50.2°F). In December, in Vilarouco, the average low-temperature is 3.2°C (37.8°F).

Humidity

The average relative humidity in Vilarouco is 85%.

Rainfall

The month with the most rainfall is December when the rain falls for 9.3 days and typically aggregates up to 49mm (1.93") of precipitation.

Snowfall

Months with snowfall in Vilarouco are January through March, November and December. In Vilarouco, snow falls for 0.5 days, with typically accumulated 3mm (0.12") of snow. In Vilarouco, Portugal, during the entire year, snow falls for 1.8 days, and aggregates up to 14mm (0.55") of snow.

Daylight

December has the shortest days of the year in Vilarouco, with an average of 9.3h of daylight.

Sunshine

In Vilarouco, the average sunshine is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vilarouco, Portugal. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Vilarouco?

In December, in Vilarouco, the average high-temperature is 10.1°C (50.2°F), and the average low-temperature is 3.2°C (37.8°F).

What is the average humidity in December in Vilarouco?

In December, the average relative humidity in Vilarouco is 85%.

How many days does it rain in December in Vilarouco?

In Vilarouco, in December, during 9.3 rainfall days, 49mm (1.93") of precipitation is typically accumulated.

What is the rainiest month in Vilarouco?

The month with the most rainfall is December when the rain falls for 9.3 days and typically aggregates up to 49mm (1.93") of precipitation.

How many days does it snow in December in Vilarouco?

In December, it is snowing for 0.5 days. Throughout December, 3mm (0.12") of snow is accumulated.

What is the month with the shortest days in Vilarouco?

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

How many hours of daylight does Vilarouco have in December?

The average length of the day in December in Vilarouco, Portugal, is 9.3h.

How many hours of sunshine does Vilarouco have in December?

In December, the average sunshine in Vilarouco, Portugal, is 4.9h.

When is the lowest UV index in Vilarouco?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vilarouco.

How high is the UV index in December in Vilarouco?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Vilarouco, Portugal

Average temperature in December - Vilarouco, Portugal
  • Average high temperature in December: 10.1°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (9.4°C).

  • Average low temperature in December: 3.2°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

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Average pressure in December
Vilarouco, Portugal

Average pressure in December - Vilarouco, Portugal
  • Average pressure in December: 1022.8mbar

The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in December
Vilarouco, Portugal

Average wind speed in December - Vilarouco, Portugal
  • Average wind speed in December: 7.3km/h

The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

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Average humidity in December
Vilarouco, Portugal

Average humidity in December - Vilarouco, Portugal
  • Average humidity in December: 85%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in December
Vilarouco, Portugal

Average rainfall in December - Vilarouco, Portugal
  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is July (8mm).

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Average rainfall days in December
Vilarouco, Portugal

Average rainfall days in December - Vilarouco, Portugal
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.9 days).

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Average snowfall in December
Vilarouco, Portugal

Average snowfall in December - Vilarouco, Portugal
  • Average snowfall in December: 3mm

The month with the highest snowfall is February (7mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in December
Vilarouco, Portugal

Average snowfall days in December - Vilarouco, Portugal
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Vilarouco, Portugal

Average daylight in December / Average sunshine in December - Vilarouco, 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: 4.9h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in December
Vilarouco, Portugal

Average sunshine days in December - Vilarouco, Portugal
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (14.1 days).

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Average UV index in December
Vilarouco, Portugal

Average UV index in December - Vilarouco, 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
Vilarouco, Portugal

Average cloud cover in December - Vilarouco, Portugal
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Vilarouco, Portugal

Average visibility in December - Vilarouco, Portugal
  • Average visibility in December: 7km

Months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).

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