December weather forecast and climate
Santa Vitória, Portugal

Weather in December

December, the first month of the winter, in Santa Vitória, is also a moderate month, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 7.1°C (44.8°F).

Temperature

In December, the average high-temperature is almost the same as in November - a moderate 15.5°C (59.9°F). In Santa Vitória, in December, the average low-temperature is 7.1°C (44.8°F).

Humidity

The average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 5.5 days. Throughout December, 11mm (0.43") of precipitation is accumulated. Throughout the year, in Santa Vitória, there are 65.2 rainfall days, and 110mm (4.33") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.6h of daylight.

Sunshine

The average sunshine is 6h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Santa Vitória?

The average high-temperature, in December, in Santa Vitória, Portugal, is 15.5°C (59.9°F), while the average low-temperature is 7.1°C (44.8°F).

What is the average humidity in December in Santa Vitória?

In December, the average relative humidity in Santa Vitória, Portugal, is 77%.

How much does it rain in Santa Vitória in December?

In Santa Vitória, in December, during 5.5 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

What is the month with the shortest days in Santa Vitória?

With an average of 9.6h of daylight, December has the shortest days of the year in Santa Vitória.

How many hours of daylight does Santa Vitória have in December?

The average length of the day in December is 9.6h.

How many hours of sunshine does Santa Vitória have in December?

The average sunshine in December in Santa Vitória is 6h.

When is the lowest UV index in Santa Vitória?

Months with the lowest UV index in Santa Vitória are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Santa Vitória?

The average daily maximum UV index in December in Santa Vitória, Portugal, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Santa Vitória, Portugal

Average temperature in December - Santa Vitória, Portugal
  • Average high temperature in December: 15.5°C

The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (14.4°C).

  • Average low temperature in December: 7.1°C

The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).

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Average pressure in December
Santa Vitória, Portugal

Average pressure in December - Santa Vitória, 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 (1015.4mbar).

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Average wind speed in December
Santa Vitória, Portugal

Average wind speed in December - Santa Vitória, Portugal
  • Average wind speed in December: 10.7km/h

The windiest month (with the highest average wind speed) is July (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).

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Average humidity in December
Santa Vitória, Portugal

Average humidity in December - Santa Vitória, Portugal
  • Average humidity in December: 77%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in December
Santa Vitória, Portugal

Average rainfall in December - Santa Vitória, Portugal
  • Average rainfall in December: 11mm

The wettest month (with the highest rainfall) is April (20mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in December
Santa Vitória, Portugal

Average rainfall days in December - Santa Vitória, Portugal
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is April (9.7 days).
The month with the least rainy days is August (1 days).

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Average daylight in December /
Average sunshine in December
Santa Vitória, Portugal

Average daylight in December / Average sunshine in December - Santa Vitória, Portugal
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 6h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in December
Santa Vitória, Portugal

Average sunshine days in December - Santa Vitória, Portugal
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is April (18.8 days).

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Average UV index in December
Santa Vitória, Portugal

Average UV index in December - Santa Vitória, Portugal
  • Average UV index in December: 3

Months with the highest UV index are July and 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
Santa Vitória, Portugal

Average cloud cover in December - Santa Vitória, Portugal
  • Average cloud cover in December: 34

Months with the most cloud cover are January and April (Cloud cover 40).
Months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in December
Santa Vitória, Portugal

Average visibility in December - Santa Vitória, 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, February, March, April, May, October, November and December (9km).

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