December weather forecast and climate
Vale de Madeiro, Portugal

Weather in December

The first month of the winter, December, is still a chilly month in Vale de Madeiro, Portugal, with temperature in the range of an average high of 9.8°C (49.6°F) and an average low of 2.5°C (36.5°F).

Temperature

In Vale de Madeiro, the average high-temperature in December is almost the same as in November - a frosty 9.8°C (49.6°F). In December, the average low-temperature is 2.5°C (36.5°F).

Humidity

In December, the average relative humidity in Vale de Madeiro is 86%.

Rainfall

The month with the most rainfall in Vale de Madeiro is December when the rain falls for 12.4 days and typically aggregates up to 72mm (2.83") of precipitation.

Snowfall

March through December are months without snowfall in Vale de Madeiro.

Daylight

With an average of 9.2h of daylight, December has the shortest days of the year in Vale de Madeiro.

Sunshine

In December, the average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vale de Madeiro, Portugal. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Vale de Madeiro?

The average high-temperature, in December, in Vale de Madeiro, Portugal, is 9.8°C (49.6°F), while the average low-temperature is 2.5°C (36.5°F).

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

In Vale de Madeiro, the average relative humidity in December is 86%.

How much does it rain in Vale de Madeiro in December?

In Vale de Madeiro, in December, it is raining for 12.4 days, with typically 72mm (2.83") of accumulated precipitation.

What is the rainiest month in Vale de Madeiro?

The month with the most rainfall in Vale de Madeiro is December when the rain falls for 12.4 days and typically aggregates up to 72mm (2.83") of precipitation.

Does it snow in Vale de Madeiro in December?

In Vale de Madeiro, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Vale de Madeiro?

March through December are months without snowfall.

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

With an average of 9.2h of daylight, December has the shortest days of the year in Vale de Madeiro.

What is the average length of the day in December in Vale de Madeiro?

The average length of the day in December in Vale de Madeiro, Portugal, is 9.2h.

How many hours of sunshine does Vale de Madeiro have in December?

In Vale de Madeiro, Portugal, the average sunshine in December is 5h.

What are the months with the lowest UV index in Vale de Madeiro?

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

How high is the UV index in December in Vale de Madeiro?

In Vale de Madeiro, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Vale de Madeiro, Portugal

Average temperature in December - Vale de Madeiro, Portugal
  • Average high temperature in December: 9.8°C

The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 2.5°C

Months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

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Average pressure in December
Vale de Madeiro, Portugal

Average pressure in December - Vale de Madeiro, Portugal
  • Average pressure in December: 1022.7mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in December
Vale de Madeiro, Portugal

Average wind speed in December - Vale de Madeiro, Portugal
  • Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).

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Average humidity in December
Vale de Madeiro, Portugal

Average humidity in December - Vale de Madeiro, Portugal
  • Average humidity in December: 86%

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
Vale de Madeiro, Portugal

Average rainfall in December - Vale de Madeiro, Portugal
  • Average rainfall in December: 72mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

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Average rainfall days in December
Vale de Madeiro, Portugal

Average rainfall days in December - Vale de Madeiro, Portugal
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).

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Average snowfall in December
Vale de Madeiro, Portugal

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

The month with the highest snowfall is February (5mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in December
Vale de Madeiro, Portugal

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

The month with the highest number of snowfall days is January (0.3 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 Madeiro, Portugal

Average daylight in December / Average sunshine in December - Vale de Madeiro, Portugal
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days in December
Vale de Madeiro, Portugal

Average sunshine days in December - Vale de Madeiro, Portugal
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index in December
Vale de Madeiro, Portugal

Average UV index in December - Vale de Madeiro, Portugal
  • Average UV index in December: 2

The month with the highest UV index is July (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 Madeiro, Portugal

Average cloud cover in December - Vale de Madeiro, Portugal
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Vale de Madeiro, Portugal

Average visibility in December - Vale de Madeiro, Portugal
  • Average visibility in December: 7km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).

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