December weather forecast
Alghero, Italy

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Weather in December

December, the first month of the winter in Alghero, is still a mild month, with an average temperature fluctuating between 10.9°C (51.6°F) and 14.1°C (57.4°F).

Temperature

Alghero experiences an average high-temperature of a moderate 14.1°C (57.4°F) in December, marking an insignificant shift from 17°C (62.6°F) in November. Alghero records a negligible downturn from daytime temperatures, averaging a low of 10.9°C (51.6°F) in the month of December.

Humidity

In Alghero, the average relative humidity in December is 75%.

Rainfall

In Alghero, in December, it is raining for 12.4 days, with typically 36mm (1.42") of accumulated precipitation. In Alghero, during the entire year, the rain falls for 122.7 days and collects up to 407mm (16.02") of precipitation.

Sea temperature

In Alghero, in December, the average water temperature is 16.3°C (61.3°F).
Note: Most people do not enjoy swimming in water that is 16.3°C (61.3°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Alghero, sunrise is at 07:31 and sunset at 17:00. On the last day of the month, sunrise is at 07:50 and sunset at 17:09 CET.

Sunshine

The average sunshine in December is 6.3h.

UV index

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 4 during December translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What are the temperatures in Alghero in December?

The high-temperature, in December, in Alghero, is 14.1°C (57.4°F), while the low-temperature averages to 10.9°C (51.6°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 29°C (84.2°F).

What is the average humidity in December in Alghero?

In December, the average relative humidity in Alghero, Italy, is 75%.

How much does it rain in Alghero in December?

In Alghero, in December, during 12.4 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

What is the sea water temperature in December in Alghero?

In December, the average sea temperature in Alghero, Italy, is 16.3°C (61.3°F). Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Alghero?

December has the shortest days of the year in Alghero, with an average of 9h and 18min of daylight.

How many hours of daylight does Alghero have in December?

In Alghero, the average day length in December is 9h and 20min.

When is the sunrise / sunset in December in Alghero?

On the first day of December in Alghero, Italy, sunrise is at 07:31 and sunset at 17:00. On the last day of the month, sunrise is at 07:50 and sunset at 17:09 CET.

How long on average sun shines in December in Alghero?

In Alghero, the average sunshine duration in December is 6.3h.

What is the UV index intensity in December in Alghero?

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Alghero, Italy

Average temperature in December - Alghero, Italy
  • Average high temperature in December: 14.1°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is February (12.5°C).

  • Average low temperature in December: 10.9°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is February (8.7°C).

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Average pressure in December
Alghero, Italy

Average pressure in December - Alghero, Italy
  • Average pressure in December: 1018.8mbar

The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

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Average wind speed in December
Alghero, Italy

Average wind speed in December - Alghero, Italy
  • Average wind speed in December: 20.1km/h

The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

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Average humidity in December
Alghero, Italy

Average humidity in December - Alghero, Italy
  • Average humidity in December: 75%

The months with the highest relative humidity are January, March and April (76%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in December
Alghero, Italy

Average rainfall in December - Alghero, Italy
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is July (7mm).

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Average rainfall days in December
Alghero, Italy

Average rainfall days in December - Alghero, Italy
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is July (3.4 days).

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Average sea temperature in December
Alghero, Italy

Average sea temperature in December - Alghero, Italy
  • Average sea temperature in December: 16.3°C

The best month for swimming (with the highest average sea temperature) is August (24.1°C).
The coldest month (with the lowest average sea temperature) is February (13.4°C).

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Average daylight in December /
Average sunshine in December
Alghero, Italy

Average daylight in December / Average sunshine in December - Alghero, Italy
  • 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 18min).

  • Average sunshine in December: 6h and 2min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in December
Alghero, Italy

Average sunshine days in December - Alghero, Italy
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is November (11.8 days).

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Average UV index in December
Alghero, Italy

Average UV index in December - Alghero, Italy
  • Average UV index in December: 4

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is February (UV index 3).

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Average cloud cover in December
Alghero, Italy

Average cloud cover in December - Alghero, Italy
  • Average cloud cover in December: 33

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in December
Alghero, Italy

Average visibility in December - Alghero, Italy
  • 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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Alghero, Italy

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