December weather forecastVallecas, Spain
December
Weather in December
December, the first month of the winter in Vallecas, is also a fresh month, with temperature in the range of an average low of 3.2°C (37.8°F) and an average high of 11°C (51.8°F).Temperature
During December, Vallecas observes a subtle ascent to a fresh 11°C (51.8°F) from November's 13.9°C (57°F) in the average high-temperature. In the month of December, Vallecas experiences an average low-temperature of 3.2°C (37.8°F).Humidity
The average relative humidity in December is 72%.Rainfall
In Vallecas, in December, it is raining for 7.8 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Vallecas, there are 89.2 rainfall days, and 240mm (9.45") of precipitation is accumulated.Snowfall
Months with snowfall in Vallecas, Spain, are January through March, November and December. In Vallecas, Spain, in December, snow falls for 0.4 days, with typically accumulated 1mm (0.04") of snow. In Vallecas, during the entire year, snow falls for 2.4 days and aggregates up to 18mm (0.71") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 08:18 and sunset at 17:48. On the last day of December, in Vallecas, sunrise is at 08:37 and sunset at 17:58 CET.
Sunshine
December has the least sunshine of the year in Vallecas, with an average of 6.3h of sunshine.UV index
The month with the lowest UV index in Vallecas is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vallecas, Spain
- Average high temperature in December: 11°C
The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in December: 3.2°C
The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in December
Vallecas, Spain
- Average pressure in December: 1023.6mbar
The month with the highest atmospheric pressure is December (1023.6mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Vallecas, Spain
- Average wind speed in December: 9.5km/h
The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest months (with the lowest average wind speed) are October and December (9.5km/h).
Average humidity in December
Vallecas, Spain
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (32%).
Average rainfall in December
Vallecas, Spain
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is April (41mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in December
Vallecas, Spain
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Vallecas, Spain
- Average snowfall in December: 1mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Vallecas, Spain
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Vallecas, Spain
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Vallecas, Spain
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in December
Vallecas, Spain
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Vallecas, Spain
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Vallecas, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April and November (9km).





