December weather forecast and climate
Serra do Bouro, Portugal

Weather in December

The first month of the winter, December, is also a moderate month in Serra do Bouro, Portugal, with average temperature fluctuating between 9.8°C (49.6°F) and 14.9°C (58.8°F).

Temperature

In December, the average high-temperature is practically the same as in November - a mild 14.9°C (58.8°F). The average low-temperature, in Serra do Bouro, is 9.8°C (49.6°F).

Humidity

In Serra do Bouro, the average relative humidity is 77%.

Rainfall

In Serra do Bouro, during 9.2 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, there are 101.9 rainfall days, and 170mm (6.69") of precipitation is accumulated.

Daylight

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

Sunshine

In December, the average sunshine is 5.7h.

UV index

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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 Serra do Bouro?

The average high-temperature, in December, in Serra do Bouro, Portugal, is 14.9°C (58.8°F), while the average low-temperature is 9.8°C (49.6°F).

What is the average humidity in December in Serra do Bouro?

The average relative humidity in December in Serra do Bouro, Portugal, is 77%.

How much does it rain in Serra do Bouro in December?

In Serra do Bouro, during December, the rain falls for 9.2 days and regularly aggregates up to 19mm (0.75") of precipitation.

What is the month with the shortest days in Serra do Bouro?

The month with the shortest days in Serra do Bouro is December, with an average of 9.4h of daylight.

How many hours of daylight does Serra do Bouro have in December?

In December, the average length of the day is 9.4h.

How many hours of sunshine does Serra do Bouro have in December?

In Serra do Bouro, the average sunshine in December is 5.7h.

What is the UV index intensity in December in Serra do Bouro?

The average daily maximum UV index in December is 4. 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
Serra do Bouro, Portugal

Average temperature in December - Serra do Bouro, Portugal
  • Average high temperature in December: 14.9°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (14°C).

  • Average low temperature in December: 9.8°C

The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).

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Average pressure in December
Serra do Bouro, Portugal

Average pressure in December - Serra do Bouro, Portugal
  • Average pressure in December: 1022.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed in December
Serra do Bouro, Portugal

Average wind speed in December - Serra do Bouro, Portugal
  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (13.6km/h).

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Average humidity in December
Serra do Bouro, Portugal

Average humidity in December - Serra do Bouro, Portugal
  • Average humidity in December: 77%

The month with the highest relative humidity is January (79%).
Months with the lowest relative humidity are September and October (72%).

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Average rainfall in December
Serra do Bouro, Portugal

Average rainfall in December - Serra do Bouro, Portugal
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in December
Serra do Bouro, Portugal

Average rainfall days in December - Serra do Bouro, Portugal
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is November (13.7 days).
The month with the least rainy days is August (3 days).

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Average daylight in December /
Average sunshine in December
Serra do Bouro, Portugal

Average daylight in December / Average sunshine in December - Serra do Bouro, Portugal
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.7h

Months with the most sunshine are July and August (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in December
Serra do Bouro, Portugal

Average sunshine days in December - Serra do Bouro, Portugal
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.3 days).

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Average UV index in December
Serra do Bouro, Portugal

Average UV index in December - Serra do Bouro, Portugal
  • Average UV index in December: 4

Months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in December
Serra do Bouro, Portugal

Average cloud cover in December - Serra do Bouro, 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 August and September (Cloud cover 21).

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Average visibility in December
Serra do Bouro, Portugal

Average visibility in December - Serra do Bouro, Portugal
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
Months with the lowest visibility are July and August (9km).

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