December weather forecast
Cala Santandria, Spain

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

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a comfortable 18°C (64.4°F) in November to a moderate 15°C (59°F). In Cala Santandria, an average nighttime temperature of 8°C (46.4°F) is expected during December.

Rainfall

In Cala Santandria, during December, the rain falls for 16 days and regularly aggregates up to 80mm (3.15") of precipitation. Throughout the year, there are 126 rainfall days, and 649mm (25.55") of precipitation is accumulated.

Sea temperature

In Cala Santandria, the average seawater temperature in December is 16°C (60.8°F).
Note: For most individuals, swimming in 16°C (60.8°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days in Cala Santandria is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 07:47 and sunset at 17:20. On the last day of December, sunrise is at 08:06 and sunset at 17:29 CET.

Sunshine

With an average of 4h of sunshine, December has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cala Santandria. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.