December weather forecastSantander, Spain
December
Weather in December
December sees the arrival of winter in Santander as temperatures drop further and the city witnesses another round of snowfall. With the lowest temperature touching 10.2°C (50.4°F), the coolness persists throughout the city. The wind speed remains substantial at an average of 17.8km/h (11.1mph). Sunshine hours reduce significantly while pressure increases to 1021.5 mb, the highest throughout the year. The cold weather mixed with the holiday spirit blankets Santander in a wintry wonderland.Temperature
With the arrival of December, Santander's average high-temperature registers at a still mild 13.4°C (56.1°F), indicating a subtle variation from the previous month. A mean low-temperature of 10.2°C (50.4°F) is anticipated during the month of December in Santander, a slight step down from the daytime high.Humidity
October and December, with an average relative humidity of 72%, are the least humid months in Santander, Spain.Rainfall
In Santander, during December, the rain falls for 10.6 days and regularly aggregates up to 26mm (1.02") of precipitation. In Santander, Spain, during the entire year, the rain falls for 133.9 days and collects up to 336mm (13.23") of precipitation.Snowfall
Months with snowfall in Santander are January, February and December. December is the first month it typically snows in Santander. Throughout December, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Santander, during the entire year, snow falls for 1.5 days and aggregates up to 9mm (0.35") of snow.Sea temperature
In Santander, in December, the average water temperature is 14.4°C (57.9°F).Note: Beware when you're in 14.4°C (57.9°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Santander.On the first day of the month, sunrise is at 08:28 and sunset at 17:40. On the last day of December, sunrise is at 08:47 and sunset at 17:48 CET.
Sunshine
In Santander, the average sunshine in December is 5.7h.UV index
The average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santander, Spain
- Average high temperature in December: 13.4°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The months with the lowest average high temperature are January and February (11.8°C).
- Average low temperature in December: 10.2°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is February (8.4°C).
Average pressure in December
Santander, Spain
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in December
Santander, Spain
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is November (19.5km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in December
Santander, Spain
- Average humidity in December: 72%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are October and December (72%).
Average rainfall in December
Santander, Spain
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in December
Santander, Spain
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is January (13.8 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in December
Santander, Spain
- Average snowfall in December: 1mm
The months with the highest snowfall are January and February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Santander, Spain
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Santander, Spain
- Average sea temperature in December: 14.4°C
The best month for swimming (with the highest average sea temperature) is August (21.2°C).
The coldest month (with the lowest average sea temperature) is February (12.7°C).
Average daylight in December /
Average sunshine in December
Santander, Spain
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 42min
The months with the most sunshine are June and July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in December
Santander, Spain
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is February (14.2 days).
Average UV index in December
Santander, Spain
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, April and November (UV index 3).
Average cloud cover in December
Santander, Spain
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Santander, Spain
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
