December weather forecast
Carvoeiro, Portugal

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Weather in December

December draws a close to the year in Carvoeiro, with temperatures hovering between 12.9°C (55.2°F) and 16.5°C (61.7°F). The town enjoys a festive spirit, with Christmas and New Year's Eve celebrations lighting up the season. Despite the decline in daylight and sunshine hours, December still reveals decent inland and sea visibility. Bundle up and take to the cobblestone streets for holiday events or warm up with traditional Portuguese comfort food, as the year comes to a close.

Temperature

December's onset in Carvoeiro records a minor alteration in the average high-temperature to a still enjoyable 16.5°C (61.7°F) from November's 18.1°C (64.6°F). During December, Carvoeiro's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 12.9°C (55.2°F).

Humidity

The average relative humidity in December in Carvoeiro, Portugal, is 74%.

Rainfall

In Carvoeiro, in December, during 3.3 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In Carvoeiro, during the entire year, the rain falls for 30.8 days and collects up to 33mm (1.3") of precipitation.

Sea temperature

In Carvoeiro, Portugal, the average seawater temperature in December is 17°C (62.6°F).
Note: In 17°C (62.6°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Carvoeiro.
On the first day of the month, sunrise is at 07:29 and sunset at 17:17. On the last day of December, sunrise is at 07:47 and sunset at 17:26 WET.

Sunshine

In December, the average sunshine in Carvoeiro is 6.3h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 4 in December transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the temperature in December in Carvoeiro?

December temperatures in Carvoeiro, Portugal, vary between a high-temperature of 16.5°C (61.7°F) and a low-temperature of 12.9°C (55.2°F).

What is the average humidity in December in Carvoeiro?

The average relative humidity in December is 74%.

How much does it rain in Carvoeiro in December?

In Carvoeiro, Portugal, in December, during 3.3 rainfall days, 5mm (0.2") of precipitation is typically accumulated.

What is the sea temperature in December in Carvoeiro?

In December, the average sea temperature in Carvoeiro, Portugal, is 17°C (62.6°F). For most, swimming in 17°C (62.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the month with the shortest days in Carvoeiro?

The month with the shortest days in Carvoeiro is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December in Carvoeiro?

The average day length in December in Carvoeiro is 9h and 40min.

When is the sunrise / sunset in December in Carvoeiro?

On the first day of December, sunrise is at 07:29 and sunset at 17:17. On the last day of the month, sunrise is at 07:47 and sunset at 17:26 WET.

How long on average sun shines in December in Carvoeiro?

In December, the average sunshine duration is 6.3h.

What is the month with the lowest UV index in Carvoeiro?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the UV index reading in December in Carvoeiro?

The average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in December
Carvoeiro, Portugal

Average temperature in December - Carvoeiro, Portugal
  • Average high temperature in December: 16.5°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (15.1°C).

  • Average low temperature in December: 12.9°C

The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is February (11.3°C).

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Average pressure in December
Carvoeiro, Portugal

Average pressure in December - Carvoeiro, 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
Carvoeiro, Portugal

Average wind speed in December - Carvoeiro, Portugal
  • Average wind speed in December: 17.5km/h

The windiest months (with the highest average wind speed) are February and March (19km/h).
The calmest month (with the lowest average wind speed) is September (13.5km/h).

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Average humidity in December
Carvoeiro, Portugal

Average humidity in December - Carvoeiro, Portugal
  • Average humidity in December: 74%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in December
Carvoeiro, Portugal

Average rainfall in December - Carvoeiro, Portugal
  • Average rainfall in December: 5mm

The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).

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Average rainfall days in December
Carvoeiro, Portugal

Average rainfall days in December - Carvoeiro, Portugal
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is April (5.4 days).
The month with the least rainy days is August (0.3 days).

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Average sea temperature in December
Carvoeiro, Portugal

Average sea temperature in December - Carvoeiro, Portugal
  • Average sea temperature in December: 17°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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

Average daylight in December / Average sunshine in December - Carvoeiro, Portugal
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in December
Carvoeiro, Portugal

Average sunshine days in December - Carvoeiro, Portugal
  • Average sunshine days in December: 25.7 days

The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is November (22.1 days).

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Average UV index in December
Carvoeiro, Portugal

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in December
Carvoeiro, Portugal

Average cloud cover in December - Carvoeiro, Portugal
  • Average cloud cover in December: 29

The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in December
Carvoeiro, Portugal

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

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

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Carvoeiro, Portugal

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