December weather forecastPortopetro, Spain

December

Weather in December

December, the first month of the winter in Portopetro, is still a refreshing month, with temperature in the range of an average low of 8°C (46.4°F) and an average high of 15°C (59°F).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a comfortable 18°C (64.4°F) to a moderate 15°C (59°F). During the nights in December, Portopetro observes an average low-temperature of 8°C (46.4°F).

Rainfall

In Portopetro, in December, it is raining for 15 days, with typically 78mm (3.07") of accumulated precipitation. In Portopetro, Spain, during the entire year, the rain falls for 121 days and collects up to 637mm (25.08") of precipitation.

Sea temperature

In Portopetro, in December, the average water temperature is 16°C (60.8°F).
Note: Most people do not take pleasure in swimming in water at 16°C (60.8°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:48 and sunset at 17:24. On the last day of December, in Portopetro, sunrise is at 08:06 and sunset at 17:33 CET.

Sunshine

The months with the least sunshine in Portopetro are January, November and December, with an average of 5h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Portopetro, is 15°C (59°F) and the average low-temperature is 8°C (46.4°F).

In December, in Portopetro, the rain falls for 15 days. Throughout December, 78mm (3.07") of precipitation is accumulated.

In Portopetro, Spain, in December, the average water temperature is 16°C (60.8°F). For most, swimming in 16°C (60.8°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).

December has the shortest days of the year in Portopetro, with an average of 9h and 30min of daylight.

In Portopetro, the average day length in December is 9h and 27min.

On the first day of December in Portopetro, Spain, sunrise is at 07:48 and sunset at 17:24. On the last day of the month, sunrise is at 08:06 and sunset at 17:33 CET.

January, November and December, with an average of 5h of sunshine, are months with the least sunshine.

In December, the average sunshine duration is 5h.

The months with the lowest UV index in Portopetro are January, November and December, with an average maximum UV index of 2.

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

18°C

15°C

14°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in December
Portopetro, Spain

Average high temperature in December: 15°C

The warmest months (with the highest average high temperature) are July and August (29°C).
The months with the lowest average high temperature are January and February (14°C).

Average low temperature in December: 8°C

The month with the highest average low temperature is August (20°C).
The coldest months (with the lowest average low temperature) are January and February (6°C).

Average rainfall in December
Portopetro, Spain

Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is October (98mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in December
Portopetro, Spain

Average rainfall days in December: 15 days

The months with the highest number of rainy days are January and December (15 days).
The month with the least rainy days is July (3 days).

Average sea temperature in December
Portopetro, Spain

Average sea temperature in December: 16°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (14°C).

Average daylight in December /
Average sunshine in December
Portopetro, Spain

Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in December: 5h

The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January, November and December (Average sunshine: 5h).

Average UV index in December
Portopetro, Spain

Average UV index in December: 2

The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January, November and December (UV index 2).