December weather forecastRetortillo, Spain
December
Weather in December
December, the first month of the winter in Retortillo, is still a cool month, with an average temperature fluctuating between 2.3°C (36.1°F) and 10°C (50°F).Temperature
December reports an average high-temperature of a still fresh 10°C (50°F), slightly varied from November's 12.3°C (54.1°F). In Retortillo, the average low-temperature during the month of December is a cold 2.3°C (36.1°F).Humidity
In Retortillo, the average relative humidity in December is 77%.Rainfall
In Retortillo, during December, the rain falls for 6.6 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, there are 78.8 rainfall days, and 174mm (6.85") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Retortillo, during December, snow falls for 0.3 days and regularly aggregates up to 4mm (0.16") of snow. In Retortillo, during the entire year, snow falls for 6.8 days and aggregates up to 67mm (2.64") 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 08:30 and sunset at 17:58. On the last day of December, in Retortillo, sunrise is at 08:49 and sunset at 18:07 CET.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Retortillo, Spain
- Average high temperature in December: 10°C
The warmest months (with the highest average high temperature) are July and August (29.8°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).
Average pressure in December
Retortillo, 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 (1015.2mbar).
Average wind speed in December
Retortillo, Spain
- Average wind speed in December: 12.8km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).
Average humidity in December
Retortillo, Spain
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Retortillo, Spain
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is April (27mm).
The driest months (with the least rainfall) are August and September (5mm).
Average rainfall days in December
Retortillo, Spain
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is April (12 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Retortillo, Spain
- Average snowfall in December: 4mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Retortillo, Spain
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Retortillo, 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: 6h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Retortillo, Spain
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is April (15 days).
Average UV index in December
Retortillo, Spain
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Retortillo, Spain
- Average cloud cover in December: 36
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Retortillo, Spain
- Average visibility in December: 10km
The months with the highest visibility are February, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April, May and November (9km).
