December weather forecast and climate
Roxo, Portugal

Weather in December

The first month of the winter, December, is still a mild month in Roxo, Portugal, with average temperature varying between 14°C (57.2°F) and 6.5°C (43.7°F).

Temperature

In Roxo, Portugal, the average high-temperature in December is almost the same as in November - a still moderate 14°C (57.2°F). The average low-temperature, in December, is 6.5°C (43.7°F).

Humidity

The average relative humidity in December is 80%.

Rainfall

In Roxo, during December, the rain falls for 11 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year.

Sunshine

The average sunshine in Roxo is 5.7h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Roxo. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in December in Roxo?

The average high-temperature, in December, is 14°C (57.2°F), while the average low-temperature is 6.5°C (43.7°F).

What is the average humidity in December in Roxo?

In December, the average relative humidity is 80%.

How many days does it rain in December in Roxo?

In December, in Roxo, the rain falls for 11 days. Throughout December, 70mm (2.76") of precipitation is accumulated.

What is the month with the shortest days in Roxo?

December has the shortest days of the year in Roxo, Portugal, with an average of 9.4h of daylight.

How many hours of daylight does Roxo have in December?

The average length of the day in December in Roxo, Portugal, is 9.4h.

How many hours of sunshine does Roxo have in December?

In December, the average sunshine in Roxo, Portugal, is 5.7h.

What are the months with the lowest UV index in Roxo?

Months with the lowest UV index in Roxo, Portugal, are January through March, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Roxo?

In Roxo, Portugal, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in December
Roxo, Portugal

Average temperature in December - Roxo, Portugal
  • Average high temperature in December: 14°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 (12.9°C).

  • Average low temperature in December: 6.5°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

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Average pressure in December
Roxo, Portugal

Average pressure in December - Roxo, 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
Roxo, Portugal

Average wind speed in December - Roxo, Portugal
  • Average wind speed in December: 8.4km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).

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Average humidity in December
Roxo, Portugal

Average humidity in December - Roxo, Portugal
  • Average humidity in December: 80%

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

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Average rainfall in December
Roxo, Portugal

Average rainfall in December - Roxo, Portugal
  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).

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Average rainfall days in December
Roxo, Portugal

Average rainfall days in December - Roxo, Portugal
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).

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

Average daylight in December / Average sunshine in December - Roxo, Portugal
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.7h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in December
Roxo, Portugal

Average sunshine days in December - Roxo, Portugal
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is August (27.5 days).
Months with the least sunshine days are April and November (14.3 days).

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Average UV index in December
Roxo, Portugal

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

Months with the highest UV index are June, July and August (UV index 6).
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
Roxo, Portugal

Average cloud cover in December - Roxo, Portugal
  • Average cloud cover in December: 41

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

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Average visibility in December
Roxo, Portugal

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

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

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