December weather forecastAstillero, Spain
December
Weather in December
The first month of the winter, December, is still a mild month in Astillero, Spain, with temperature in the range of an average low of 10.2°C (50.4°F) and an average high of 13.4°C (56.1°F).Temperature
Entering December, the average high-temperature is recorded at a still mild 13.4°C (56.1°F), exhibiting a minimal shift from November's 15.2°C (59.4°F). Throughout December, a modest shift from daytime highs is anticipated in Astillero, with an average low-temperature of 10.2°C (50.4°F).Humidity
October and December, with an average relative humidity of 72%, are the least humid months in Astillero.Rainfall
In Astillero, during December, the rain falls for 10.6 days and regularly aggregates up to 26mm (1.02") of precipitation. In Astillero, 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 are January, February and December. December is the first month it typically snows in Astillero. Throughout December, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Astillero, during the entire year, snow falls for 1.5 days and aggregates up to 9mm (0.35") of snow.Sea temperature
In Astillero, in December, the average water temperature is 14.4°C (57.9°F).Note: While a brief time in 14.4°C (57.9°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 08:28 and sunset at 17:40. On the last day of the month, sunrise is at 08:47 and sunset at 17:49 CET.
Sunshine
In Astillero, the average sunshine in December is 5.7h.UV index
In Astillero, Spain, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in December translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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
Astillero, 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).
