December
Weather in December
Temperature
With the onset of December, the average high-temperature subtly recedes from November's comfortable 18°C (64.4°F) to a mild 15°C (59°F). During the month of December, the temperature falls to an average of 9°C (48.2°F).Rainfall
In December, the rain falls for 16 days. Throughout December, 78mm (3.07") of precipitation is accumulated. Throughout the year, there are 126 rainfall days, and 607mm (23.9") of precipitation is accumulated.Sea temperature
In Sant Lluís, in December, the average water temperature is 16°C (60.8°F).Note: Most people do not find swimming enjoyable in water of 16°C (60.8°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Sant Lluís, sunrise is at 07:45 and sunset at 17:18. On the last day of the month, sunrise is at 08:04 and sunset at 17:28 CET.
Sunshine
December has the least sunshine of the year in Sant Lluís, Spain, with an average of 4h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
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. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sant Lluís in December?
How much does it rain in Sant Lluís in December?
How cold is the water in December in Sant Lluís?
What is the month with the shortest days in Sant Lluís?
What is the average length of the day in December in Sant Lluís?
When is the sunrise / sunset in December in Sant Lluís?
What is the month with the least sunshine in Sant Lluís?
How many hours of sunshine does Sant Lluís have in December?
When is the lowest UV index in Sant Lluís?
How high is the UV index in December in Sant Lluís?
Average temperature in December
Sant Lluís, 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: 9°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
Sant Lluís, Spain
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is October (99mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in December
Sant Lluís, Spain
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is December (16 days).
The month with the least rainy days is July (3 days).
Average sea temperature in December
Sant Lluís, 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
Sant Lluís, 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
Sant Lluís, 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).
