Weather in December
December, the first month of the winter in Arenal d'en Castell, is still a mild month, with an average temperature fluctuating between 8°C (46.4°F) and 15°C (59°F).
Note: Swimming in water at 16°C (60.8°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
On the first day of the month, sunrise is at 07:46 and sunset at 17:18. On the last day of December, in Arenal d'en Castell, sunrise is at 08:04 and sunset at 17:27 CET.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
[Resources]Temperature
The advent of December brings a slight shift in average high-temperature, moving from a comfortable 18°C (64.4°F) in November to a moderate 15°C (59°F). An average low-temperature of 8°C (46.4°F) is common in Arenal d'en Castell, Spain, during the nights of December.Rainfall
In Arenal d'en Castell, in December, during 15 rainfall days, 78mm (3.07") of precipitation is typically accumulated. Throughout the year, there are 125 rainfall days, and 629mm (24.76") of precipitation is accumulated.Sea temperature
In December, the average sea temperature in Arenal d'en Castell is 16°C (60.8°F).Note: Swimming in water at 16°C (60.8°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 07:46 and sunset at 17:18. On the last day of December, in Arenal d'en Castell, sunrise is at 08:04 and sunset at 17:27 CET.
Sunshine
With an average of 4h of sunshine, December has the least sunshine of the year in Arenal d'en Castell, Spain.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are the temperatures in Arenal d'en Castell in December?
In Arenal d'en Castell, 15°C (59°F) is the average high-temperature and 8°C (46.4°F) is the average low-temperature during December.
How many days does it rain in December in Arenal d'en Castell?
In Arenal d'en Castell, Spain, during December, the rain falls for 15 days and regularly aggregates up to 78mm (3.07") of precipitation.
What is the sea temperature in December in Arenal d'en Castell?
In Arenal d'en Castell, 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).
What is the month with the shortest days in Arenal d'en Castell?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Arenal d'en Castell, Spain.
What is the average length of the day in December in Arenal d'en Castell?
In December, the average day length in Arenal d'en Castell is 9h and 23min.
When are sunrise and sunset in December in Arenal d'en Castell?
On the first day of December in Arenal d'en Castell, sunrise is at 07:46 and sunset at 17:18. On the last day of the month, sunrise is at 08:04 and sunset at 17:27 CET.
What is the month with the least sunshine in Arenal d'en Castell?
December has the least sunshine of the year in Arenal d'en Castell, with an average of 4h of sunshine.
How many hours of sunshine does Arenal d'en Castell have in December?
In December, the average sunshine duration in Arenal d'en Castell is 4h.
What are the months with the lowest UV index in Arenal d'en Castell?
The months with the lowest UV index in Arenal d'en Castell, Spain, are January, November and December, with an average maximum UV index of 2.
How high is the UV index in December in Arenal d'en Castell?
In December, the average daily maximum UV index in Arenal d'en Castell is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average temperature in December
Arenal d'en Castell, Spain
- Average high temperature in December: 15°C
The warmest months (with the highest average high temperature) are July and August (28°C).
The months with the lowest average high temperature are January and February (14°C).
- Average low temperature in December: 8°C
The months with the highest average low temperature are July and August (20°C).
The coldest months (with the lowest average low temperature) are January and February (7°C).
Average rainfall in December
Arenal d'en Castell, Spain
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is October (101mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in December
Arenal d'en Castell, 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
Arenal d'en Castell, 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 January, February and March (14°C).
Average daylight in December /
Average sunshine in December
Arenal d'en Castell, Spain
- 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 24min).
- Average sunshine in December: 4h
The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 4h).
Average UV index in December
Arenal d'en Castell, 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).
Arenal d'en Castell, Spain
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