December weather forecast
Viatodos, Portugal

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Weather in December

December, the first month of the winter in Viatodos, is still a refreshing month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 13.5°C (56.3°F).

Temperature

Viatodos experiences an average high-temperature of a still refreshing 13.5°C (56.3°F) with the onset of December, subtly varied from November's 15.2°C (59.4°F). An average low-temperature of 7.5°C (45.5°F) marks the nights in Viatodos throughout December.

Humidity

The average relative humidity in December in Viatodos, Portugal, is 81%.

Rainfall

In Viatodos, in December, during 13.5 rainfall days, 122mm (4.8") of precipitation is typically accumulated. Throughout the year, in Viatodos, there are 127.9 rainfall days, and 828mm (32.6") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Viatodos, with an average of 9h and 12min of daylight.
On the first day of December in Viatodos, sunrise is at 07:41 and sunset at 17:05. On the last day of the month, sunrise is at 08:00 and sunset at 17:14 WET.

Sunshine

In Viatodos, the average sunshine in December is 5.4h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Viatodos, Portugal. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are the temperatures in Viatodos in December?

The average high-temperature, in December, in Viatodos, is 13.5°C (56.3°F), while the average low-temperature is 7.5°C (45.5°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 29°C (84.2°F).

What is the average humidity in December in Viatodos?

In December, the average relative humidity is 81%.

How much does it rain in Viatodos in December?

In Viatodos, in December, during 13.5 rainfall days, 122mm (4.8") of precipitation is typically accumulated.

What is the month with the shortest days in Viatodos?

The month with the shortest days in Viatodos, Portugal, is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Viatodos?

The average day length in December is 9h and 14min.

When are sunrise and sunset in December in Viatodos?

On the first day of December, sunrise is at 07:41 and sunset at 17:05. On the last day of the month, sunrise is at 08:00 and sunset at 17:14 WET.

How long on average sun shines in December in Viatodos?

The average sunshine duration in December in Viatodos, Portugal, is 5.4h.

When is the lowest UV index in Viatodos?

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 Viatodos?

The average daily maximum UV index in December in Viatodos is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Viatodos, Portugal

Average temperature in December - Viatodos, Portugal
  • Average high temperature in December: 13.5°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (12.6°C).

  • Average low temperature in December: 7.5°C

The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

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Average pressure in December
Viatodos, Portugal

Average pressure in December - Viatodos, Portugal
  • Average pressure in December: 1022.4mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in December
Viatodos, Portugal

Average wind speed in December - Viatodos, Portugal
  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).

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Average humidity in December
Viatodos, Portugal

Average humidity in December - Viatodos, Portugal
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).

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Average rainfall in December
Viatodos, Portugal

Average rainfall in December - Viatodos, Portugal
  • Average rainfall in December: 122mm

The wettest month (with the highest rainfall) is November (125mm).
The driest month (with the least rainfall) is July (8mm).

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Average rainfall days in December
Viatodos, Portugal

Average rainfall days in December - Viatodos, Portugal
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (3.5 days).

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

Average daylight in December / Average sunshine in December - Viatodos, Portugal
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in December
Viatodos, Portugal

Average sunshine days in December - Viatodos, Portugal
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is November (13.2 days).

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Average UV index in December
Viatodos, Portugal

Average UV index in December - Viatodos, Portugal
  • Average UV index in December: 3

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

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Average cloud cover in December
Viatodos, Portugal

Average cloud cover in December - Viatodos, Portugal
  • Average cloud cover in December: 42

The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in December
Viatodos, Portugal

Average visibility in December - Viatodos, Portugal
  • Average visibility in December: 9km

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

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Viatodos, Portugal

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