December weather forecastCastrillo del Val, Spain

December

Weather in December

December, the first month of the winter in Castrillo del Val, is still a chilly month, with an average temperature ranging between min 1.3°C (34.3°F) and max 7.7°C (45.9°F).

Temperature

The arrival of December is marked by an average high-temperature of a chilly 7.7°C (45.9°F), bearing a close resemblance to November. Castrillo del Val experiences an average low-temperature of 1.3°C (34.3°F) in month of December.

Humidity

The average relative humidity in December in Castrillo del Val, Spain, is 82%.

Rainfall

In Castrillo del Val, during December, the rain falls for 11.4 days and regularly aggregates up to 24mm (0.94") of precipitation. In Castrillo del Val, during the entire year, the rain falls for 144.3 days and collects up to 352mm (13.86") of precipitation.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 3.9 days. Throughout December, 37mm (1.46") of snow is accumulated. In Castrillo del Val, during the entire year, snow falls for 31.1 days and aggregates up to 271mm (10.67") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 08:24 and sunset at 17:42. On the last day of December, sunrise is at 08:43 and sunset at 17:51 CET.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

The high-temperature, in December, in Castrillo del Val, is 7.7°C (45.9°F), while the low-temperature averages to 1.3°C (34.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is appraised at 28°C (82.4°F).

The average relative humidity in December in Castrillo del Val, Spain, is 82%.

In Castrillo del Val, during December, the rain falls for 11.4 days and regularly aggregates up to 24mm (0.94") of precipitation.

In Castrillo del Val, in December, during 3.9 snowfall days, 37mm (1.46") of snow is typically accumulated.

December has the shortest days of the year in Castrillo del Val, Spain, with an average of 9h and 6min of daylight.

In December, the average day length in Castrillo del Val is 9h and 9min.

In December, on the first day of the month, sunrise is at 08:24 and sunset at 17:42. On the last day of the month, in Castrillo del Val, sunrise is at 08:43 and sunset at 17:51 CET.

December has the least sunshine of the year, with an average of 5.4h of sunshine.

In Castrillo del Val, Spain, the average sunshine duration in December is 5.4h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Castrillo del Val, Spain.

In Castrillo del Val, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Castrillo del Val, Spain

  • Average high temperature in December: 7.7°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (6.6°C).

  • Average low temperature in December: 1.3°C

The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are January and February (0.6°C).

Average pressure in December
Castrillo del Val, Spain

  • Average pressure in December: 1022.7mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Castrillo del Val, Spain

  • Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is September (10.8km/h).

Average humidity in December
Castrillo del Val, Spain

  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (59%).

Average rainfall in December
Castrillo del Val, Spain

  • Average rainfall in December: 24mm

The wettest months (with the highest rainfall) are June and November (46mm).
The driest month (with the least rainfall) is September (13mm).

Average rainfall days in December
Castrillo del Val, Spain

  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (6.4 days).

Average snowfall in December
Castrillo del Val, Spain

  • Average snowfall in December: 37mm

The month with the highest snowfall is February (87mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in December
Castrillo del Val, Spain

  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Castrillo del Val, Spain

  • Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 5h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Castrillo del Val, Spain

  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is April (9.5 days).

Average UV index in December
Castrillo del Val, Spain

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Castrillo del Val, Spain

  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Castrillo del Val, Spain

  • Average visibility in December: 9km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).