December weather forecast
Trefacio, Spain

December

Weather in December

The first month of the winter, December, is also a frosty month in Trefacio, Spain, with temperature in the range of an average high of 8.9°C (48°F) and an average low of 2°C (35.6°F).

Temperature

During December, Trefacio observes a subtle ascent to a frosty 8.9°C (48°F) from November's 11°C (51.8°F) in the average high-temperature. The mean low-temperature during December nights is a wintry 2°C (35.6°F).

Humidity

The average relative humidity in December in Trefacio is 84%.

Rainfall

In December, the rain falls for 12.7 days. Throughout December, 70mm (2.76") of precipitation is accumulated. In Trefacio, during the entire year, the rain falls for 141.4 days and collects up to 527mm (20.75") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Trefacio. In Trefacio, in December, snow falls for 1 days, with typically accumulated 13mm (0.51") of snow. In Trefacio, during the entire year, snow falls for 6.4 days and aggregates up to 51mm (2.01") of snow.

Daylight

The month with the shortest days in Trefacio is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 08:35 and sunset at 17:55. On the last day of the month, sunrise is at 08:54 and sunset at 18:04 CET.

Sunshine

In December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index in Trefacio are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are December temperatures in Trefacio?
The high-temperature, in December, in Trefacio, is 8.9°C (48°F), while the low-temperature averages to 2°C (35.6°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 29°C (84.2°F).
What is the average humidity in December in Trefacio?
The average relative humidity in December in Trefacio is 84%.
How many days does it rain in December in Trefacio?
In Trefacio, Spain, in December, it is raining for 12.7 days, with typically 70mm (2.76") of accumulated precipitation.
How much does it snow in Trefacio in December?
In Trefacio, in December, during 1 snowfall days, 13mm (0.51") of snow is typically accumulated.
What is the month with the shortest days in Trefacio?
With an average of 9h and 12min of daylight, December has the shortest days of the year in Trefacio, Spain.
How many hours of daylight does Trefacio have in December?
In Trefacio, the average day length in December is 9h and 10min.
When is the sunrise / sunset in December in Trefacio?
In December, on the first day of the month, sunrise is at 08:35 and sunset at 17:55. On the last day of the month, in Trefacio, sunrise is at 08:54 and sunset at 18:04 CET.
How long on average sun shines in December in Trefacio?
In December, the average sunshine duration in Trefacio is 5.2h.
What is the month with the lowest UV index in Trefacio?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index reading in December in Trefacio?
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 - Trefacio, Spain
Average temperature in December
Trefacio, Spain
  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 2°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

Average pressure in December - Trefacio, Spain
Average pressure in December
Trefacio, Spain
  • Average pressure in December: 1022.9mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December - Trefacio, Spain
Average wind speed in December
Trefacio, Spain
  • Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

Average humidity in December - Trefacio, Spain
Average humidity in December
Trefacio, Spain
  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

Average rainfall in December - Trefacio, Spain
Average rainfall in December
Trefacio, Spain
  • Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in December - Trefacio, Spain
Average rainfall days in December
Trefacio, Spain
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

Average snowfall in December - Trefacio, Spain
Average snowfall in December
Trefacio, Spain
  • Average snowfall in December: 13mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Trefacio, Spain
Average snowfall days in December
Trefacio, Spain
  • Average snowfall days in December: 1 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 - Trefacio, Spain
Average daylight in December /
Average sunshine in December
Trefacio, Spain
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December - Trefacio, Spain
Average sunshine days in December
Trefacio, Spain
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in December - Trefacio, Spain
Average UV index in December
Trefacio, Spain
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Trefacio, Spain
Average cloud cover in December
Trefacio, Spain
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in December - Trefacio, Spain
Average visibility in December
Trefacio, Spain
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).

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