December weather forecast
Buarcos, Portugal

December

Weather in December

The first month of the winter, December, is also a moderate month in Buarcos, Portugal, with an average temperature fluctuating between 10.1°C (50.2°F) and 14.5°C (58.1°F).

Temperature

As Buarcos transitions into December, the average high-temperature stands at a mild 14.5°C (58.1°F), offering little variation from the preceding month. Buarcos's nighttime temperatures in December display a slight drop from daytime highs, averaging to a fresh 10.1°C (50.2°F).

Humidity

In December, the average relative humidity in Buarcos, Portugal, is 76%.

Rainfall

In Buarcos, Portugal, during December, the rain falls for 12.1 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 130.4 rainfall days, and 585mm (23.03") of precipitation is accumulated.

Sea temperature

In Buarcos, in December, the average water temperature is 15.8°C (60.4°F).
Note: The majority of people do not enjoy swimming in 15.8°C (60.4°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:39 and sunset at 17:10. On the last day of December, sunrise is at 07:57 and sunset at 17:19 WET.

Sunshine

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

UV index

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the UV index of 4 transforms into the following advice:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What are the temperatures in Buarcos in December?
In December, in Buarcos, the average high-temperature is 14.5°C (58.1°F), and the average low-temperature is 10.1°C (50.2°F).
What is the average humidity in December in Buarcos?
In Buarcos, the average relative humidity in December is 76%.
How many days does it rain in December in Buarcos?
In Buarcos, in December, it is raining for 12.1 days, with typically 74mm (2.91") of accumulated precipitation.
What is the sea temperature in December in Buarcos?
In Buarcos, in December, the average water temperature is 15.8°C (60.4°F). For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the month with the shortest days in Buarcos?
December has the shortest days of the year in Buarcos, Portugal, with an average of 9h and 24min of daylight.
How many hours of daylight does Buarcos have in December?
In December, the average day length is 9h and 22min.
When is the sunrise / sunset in December in Buarcos?
On the first day of December in Buarcos, sunrise is at 07:39 and sunset at 17:10. On the last day of the month, sunrise is at 07:57 and sunset at 17:19 WET.
How long on average sun shines in December in Buarcos?
In December, the average sunshine duration in Buarcos, Portugal, is 5.7h.
How high is the UV index in December in Buarcos?
In Buarcos, Portugal, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Buarcos, Portugal
Average temperature in December
Buarcos, Portugal
  • Average high temperature in December: 14.5°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in December: 10.1°C

The months with the highest average low temperature are July and August (16.8°C).
The coldest month (with the lowest average low temperature) is February (9.3°C).

Average pressure in December - Buarcos, Portugal
Average pressure in December
Buarcos, 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 (1015.4mbar).

Average wind speed in December - Buarcos, Portugal
Average wind speed in December
Buarcos, Portugal
  • Average wind speed in December: 15.9km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).

Average humidity in December - Buarcos, Portugal
Average humidity in December
Buarcos, Portugal
  • Average humidity in December: 76%

The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (74%).

Average rainfall in December - Buarcos, Portugal
Average rainfall in December
Buarcos, Portugal
  • Average rainfall in December: 74mm

The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in December - Buarcos, Portugal
Average rainfall days in December
Buarcos, Portugal
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (4.5 days).

Average sea temperature in December - Buarcos, Portugal
Average sea temperature in December
Buarcos, Portugal
  • Average sea temperature in December: 15.8°C

The best month for swimming (with the highest average sea temperature) is September (19.1°C).
The coldest month (with the lowest average sea temperature) is March (14.2°C).

Average daylight in December / Average sunshine in December - Buarcos, Portugal
Average daylight in December /
Average sunshine in December
Buarcos, Portugal
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in December - Buarcos, Portugal
Average sunshine days in December
Buarcos, Portugal
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is November (11.9 days).

Average UV index in December - Buarcos, Portugal
Average UV index in December
Buarcos, Portugal
  • Average UV index in December: 4

The months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December - Buarcos, Portugal
Average cloud cover in December
Buarcos, Portugal
  • Average cloud cover in December: 38

The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are August and September (Cloud cover 20).

Average visibility in December - Buarcos, Portugal
Average visibility in December
Buarcos, Portugal
  • Average visibility in December: 10km

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

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