December weather forecastRiaza, Spain
December
Weather in December
The first month of the winter, December, is also a frosty month in Riaza, Spain, with an average temperature ranging between min 0.8°C (33.4°F) and max 7.9°C (46.2°F).Temperature
The dawn of December sees an average high-temperature of a chilly 7.9°C (46.2°F), subtly contrasting with November's 10.1°C (50.2°F). Riaza in December experiences a low-temperature average of 0.8°C (33.4°F).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 8.9 days. Throughout December, 32mm (1.26") of precipitation is accumulated. In Riaza, during the entire year, the rain falls for 108.3 days and collects up to 315mm (12.4") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Riaza, it is snowing for 1.5 days. Throughout December, 12mm (0.47") of snow is accumulated. In Riaza, during the entire year, snow falls for 22.6 days and aggregates up to 273mm (10.75") of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 17:45. On the last day of December, in Riaza, sunrise is at 08:39 and sunset at 17:54 CET.
Sunshine
December has the least sunshine of the year in Riaza, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index in Riaza are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riaza, Spain
- Average high temperature in December: 7.9°C
The warmest months (with the highest average high temperature) are July and August (28.3°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in December: 0.8°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-0.3°C).
Average pressure in December
Riaza, 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 (1015.1mbar).
Average wind speed in December
Riaza, Spain
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in December
Riaza, Spain
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Riaza, Spain
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is April (54mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in December
Riaza, Spain
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (3 days).
Average snowfall in December
Riaza, Spain
- Average snowfall in December: 12mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Riaza, Spain
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Riaza, Spain
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Riaza, Spain
- Average sunshine days in December: 20 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Riaza, Spain
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Riaza, Spain
- Average cloud cover in December: 39
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Riaza, Spain
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
