December weather forecastCastejón de las Armas, Spain
December
Weather in December
The first month of the winter, December, is also a frosty month in Castejón de las Armas, Spain, with an average temperature varying between 1.6°C (34.9°F) and 9.2°C (48.6°F).Temperature
December's arrival shows an average high-temperature of a frosty 9.2°C (48.6°F), hardly different from the previous month. Nighttime temperature in Castejón de las Armas lowers to an average of 1.6°C (34.9°F) in December.Humidity
In December, the average relative humidity in Castejón de las Armas is 73%.Rainfall
In Castejón de las Armas, during December, the rain falls for 6.8 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, in Castejón de las Armas, Spain, there are 109.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Castejón de las Armas. In Castejón de las Armas, Spain, in December, snow falls for 1.1 days, with typically accumulated 5mm (0.2") of snow. Throughout the year, in Castejón de las Armas, there are 12.6 snowfall days, and 165mm (6.5") of snow is accumulated.Daylight
The month with the shortest days in Castejón de las Armas, Spain, is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 08:14 and sunset at 17:38. On the last day of December, in Castejón de las Armas, Spain, sunrise is at 08:32 and sunset at 17:48 CET.
Sunshine
In December, the average sunshine in Castejón de las Armas is 6.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castejón de las Armas, Spain
- Average high temperature in December: 9.2°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in December: 1.6°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Castejón de las Armas, Spain
- Average pressure in December: 1022.6mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Castejón de las Armas, Spain
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
Castejón de las Armas, Spain
- Average humidity in December: 73%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in December
Castejón de las Armas, Spain
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is April (45mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
Castejón de las Armas, Spain
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is April (14.1 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in December
Castejón de las Armas, Spain
- Average snowfall in December: 5mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Castejón de las Armas, Spain
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (3.5 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
Castejón de las Armas, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in December
Castejón de las Armas, Spain
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in December
Castejón de las Armas, Spain
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Castejón de las Armas, Spain
- Average cloud cover in December: 28
The months with the most cloud cover are January, April and November (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Castejón de las Armas, 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).





