December weather forecast and climate
Adra, Spain

The first month of the winter, December, is also a moderate month in Adra, Spain, with average temperature fluctuating between 6°C (42.8°F) and 14°C (57.2°F).

Temperature

January and December, with an average high-temperature of 14°C (57.2°F), are the coldest months.

Rainfall

The month with the most rainfall in Adra is December when the rain falls for 12 days and typically aggregates up to 46mm (1.81") of precipitation.

Sea temperature

In Adra, the average seawater temperature in December is 16.6°C (61.9°F).
Note: For most, swimming in 16.6°C (61.9°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).

Daylight

December has the shortest days of the year in Adra, with an average of 9.7h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

Months with the lowest UV index in Adra are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.