December weather forecastCastronuño, Spain
December
Weather in December
December, the first month of the winter in Castronuño, is also a frosty month, with an average temperature ranging between max 9.8°C (49.6°F) and min 2.7°C (36.9°F).Temperature
Transitioning from November to December, Castronuño observes an average high-temperature of a frosty 9.8°C (49.6°F), differing subtly from the previous month. An average low-temperature of 2.7°C (36.9°F) is recorded during the nights in December in Castronuño.Humidity
In December, the average relative humidity is 80%.Rainfall
In Castronuño, in December, it is raining for 8.4 days, with typically 30mm (1.18") of accumulated precipitation. In Castronuño, during the entire year, the rain falls for 105.3 days and collects up to 257mm (10.12") of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.3 days and typically aggregates up to 12mm (0.47") of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:28 and sunset at 17:52. On the last day of December, sunrise is at 08:46 and sunset at 18:01 CET.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year.UV index
February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castronuño, Spain. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castronuño, Spain
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is July (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).
Average pressure in December
Castronuño, Spain
- Average pressure in December: 1023.3mbar
The month with the highest atmospheric pressure is December (1023.3mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Castronuño, Spain
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is September (11.6km/h).
Average humidity in December
Castronuño, Spain
- Average humidity in December: 80%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
Castronuño, Spain
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is April (37mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in December
Castronuño, Spain
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in December
Castronuño, Spain
- Average snowfall in December: 12mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Castronuño, Spain
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (1.3 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
Castronuño, Spain
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Castronuño, Spain
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in December
Castronuño, 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 February, November and December (UV index 2).
Average cloud cover in December
Castronuño, Spain
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Castronuño, Spain
- Average visibility in December: 9km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).





