December weather forecast and climate
São Domingos de Ana Loura, Portugal

Weather in December

The first month of the winter, December, is also a moderate month in São Domingos de Ana Loura, Portugal, with temperature in the range of an average high of 14.5°C (58.1°F) and an average low of 6.6°C (43.9°F).

Temperature

In São Domingos de Ana Loura, Portugal, the average high-temperature is essentially the same as in November - a moderate 14.5°C (58.1°F). In December, the average low-temperature is 6.6°C (43.9°F).

Humidity

The average relative humidity in December is 79%.

Rainfall

In São Domingos de Ana Loura, Portugal, it is raining for 8.5 days, with typically 34mm (1.34") of accumulated precipitation. In São Domingos de Ana Loura, during the entire year, the rain falls for 95.8 days and collects up to 310mm (12.2") of precipitation.

Daylight

December has the shortest days of the year in São Domingos de Ana Loura, Portugal, with an average of 9.5h of daylight.

Sunshine

In December, the average sunshine in São Domingos de Ana Loura is 5.6h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the temperature in December in São Domingos de Ana Loura?

In São Domingos de Ana Loura, in December, the average high-temperature is 14.5°C (58.1°F), and the average low-temperature is 6.6°C (43.9°F).

What is the average humidity in December in São Domingos de Ana Loura?

The average relative humidity in December in São Domingos de Ana Loura is 79%.

How much does it rain in São Domingos de Ana Loura in December?

In São Domingos de Ana Loura, during December, the rain falls for 8.5 days and regularly aggregates up to 34mm (1.34") of precipitation.

What is the month with the shortest days in São Domingos de Ana Loura?

With an average of 9.5h of daylight, December has the shortest days of the year.

What is the average length of the day in December in São Domingos de Ana Loura?

In December, the average length of the day in São Domingos de Ana Loura is 9.5h.

How long on average sun shines in December in São Domingos de Ana Loura?

The average sunshine in December in São Domingos de Ana Loura, Portugal, is 5.6h.

When is the lowest UV index in São Domingos de Ana Loura?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in São Domingos de Ana Loura.

How high is the UV index in December in São Domingos de Ana Loura?

The average daily maximum UV index in December in São Domingos de Ana Loura, Portugal, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in December
São Domingos de Ana Loura, Portugal

Average temperature in December - São Domingos de Ana Loura, Portugal
  • Average high temperature in December: 14.5°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in December: 6.6°C

The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).

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Average pressure in December
São Domingos de Ana Loura, Portugal

Average pressure in December - São Domingos de Ana Loura, 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 (1015.4mbar).

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Average wind speed in December
São Domingos de Ana Loura, Portugal

Average wind speed in December - São Domingos de Ana Loura, Portugal
  • Average wind speed in December: 11.1km/h

The windiest months (with the highest average wind speed) are February and March (12km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).

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Average humidity in December
São Domingos de Ana Loura, Portugal

Average humidity in December - São Domingos de Ana Loura, Portugal
  • Average humidity in December: 79%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in December
São Domingos de Ana Loura, Portugal

Average rainfall in December - São Domingos de Ana Loura, Portugal
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is July (2mm).

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Average rainfall days in December
São Domingos de Ana Loura, Portugal

Average rainfall days in December - São Domingos de Ana Loura, Portugal
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (2 days).

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Average daylight in December /
Average sunshine in December
São Domingos de Ana Loura, Portugal

Average daylight in December / Average sunshine in December - São Domingos de Ana Loura, Portugal
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.6h

Months with the most sunshine are July and August (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in December
São Domingos de Ana Loura, Portugal

Average sunshine days in December - São Domingos de Ana Loura, Portugal
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is July (28.8 days).
The month with the least sunshine days is April (15.3 days).

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Average UV index in December
São Domingos de Ana Loura, Portugal

Average UV index in December - São Domingos de Ana Loura, Portugal
  • Average UV index in December: 3

The month with the highest UV index is August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
São Domingos de Ana Loura, Portugal

Average cloud cover in December - São Domingos de Ana Loura, Portugal
  • Average cloud cover in December: 38

The month with the most cloud cover is January (Cloud cover 44).
Months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in December
São Domingos de Ana Loura, Portugal

Average visibility in December - São Domingos de Ana Loura, Portugal
  • Average visibility in December: 9km

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January and April (8km).

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