December weather forecast and climate
Vale de Madeiros, Portugal

Weather in December

The first month of the winter, December, is also a fresh month in Vale de Madeiros, Portugal, with temperature in the range of an average low of 4.2°C (39.6°F) and an average high of 11.6°C (52.9°F).

Temperature

In Vale de Madeiros, the average high-temperature is essentially the same as in November - a fresh 11.6°C (52.9°F). In Vale de Madeiros, the average low-temperature is 4.2°C (39.6°F).

Humidity

In Vale de Madeiros, the average relative humidity in December is 83%.

Rainfall

The month with the most rainfall is December when the rain falls for 11.5 days and typically aggregates up to 92mm (3.62") of precipitation.

Snowfall

In Vale de Madeiros, Portugal, snow does not fall in April through October and December.

Daylight

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

Sunshine

In Vale de Madeiros, the average sunshine is 5.4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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 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 Vale de Madeiros?

The average high-temperature, in December, is 11.6°C (52.9°F), while the average low-temperature is 4.2°C (39.6°F).

What is the average humidity in December in Vale de Madeiros?

In December, the average relative humidity is 83%.

How many days does it rain in December in Vale de Madeiros?

In December, in Vale de Madeiros, the rain falls for 11.5 days. Throughout December, 92mm (3.62") of precipitation is accumulated.

What is the rainiest month in Vale de Madeiros?

The month with the most rainfall in Vale de Madeiros, Portugal, is December when the rain falls for 11.5 days and typically aggregates up to 92mm (3.62") of precipitation.

Does it snow in Vale de Madeiros in December?

In December, it doesn't snow. November is the latest month when it typically snows.

When it does not snow in Vale de Madeiros?

April through October and December are months without snowfall in Vale de Madeiros, Portugal.

What is the month with the shortest days in Vale de Madeiros?

With an average of 9.3h of daylight, December has the shortest days of the year in Vale de Madeiros, Portugal.

How many hours of daylight does Vale de Madeiros have in December?

The average length of the day in December in Vale de Madeiros, Portugal, is 9.3h.

How long on average sun shines in December in Vale de Madeiros?

In December, the average sunshine is 5.4h.

When is the lowest UV index in Vale de Madeiros?

Months with the lowest UV index in Vale de Madeiros are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Vale de Madeiros?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Vale de Madeiros, Portugal

Average temperature in December - Vale de Madeiros, Portugal
  • Average high temperature in December: 11.6°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).

  • Average low temperature in December: 4.2°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

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Average pressure in December
Vale de Madeiros, Portugal

Average pressure in December - Vale de Madeiros, Portugal
  • Average pressure in December: 1022.9mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in December
Vale de Madeiros, Portugal

Average wind speed in December - Vale de Madeiros, Portugal
  • Average wind speed in December: 8.6km/h

The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).

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Average humidity in December
Vale de Madeiros, Portugal

Average humidity in December - Vale de Madeiros, Portugal
  • Average humidity in December: 83%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in December
Vale de Madeiros, Portugal

Average rainfall in December - Vale de Madeiros, Portugal
  • Average rainfall in December: 92mm

The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in December
Vale de Madeiros, Portugal

Average rainfall days in December - Vale de Madeiros, Portugal
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Vale de Madeiros, Portugal

Average snowfall in December - Vale de Madeiros, Portugal
  • Average snowfall in December: 0mm

Months with the highest snowfall are January and February (3mm).
Months with the least snowfall are April, May, June, July, August, September, October and December (0mm).

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Average snowfall days in December
Vale de Madeiros, Portugal

Average snowfall days in December - Vale de Madeiros, Portugal
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.4 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
Vale de Madeiros, Portugal

Average daylight in December / Average sunshine in December - Vale de Madeiros, Portugal
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.4h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in December
Vale de Madeiros, Portugal

Average sunshine days in December - Vale de Madeiros, Portugal
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).

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Average UV index in December
Vale de Madeiros, Portugal

Average UV index in December - Vale de Madeiros, 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
Vale de Madeiros, Portugal

Average cloud cover in December - Vale de Madeiros, Portugal
  • Average cloud cover in December: 44

The month with the most cloud cover is January (Cloud cover 52).
Months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in December
Vale de Madeiros, Portugal

Average visibility in December - Vale de Madeiros, Portugal
  • Average visibility in December: 8km

Months with the highest visibility are June, July, August and September (9km).
Months with the lowest visibility are January and November (7km).

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