December weather forecast
Alerre, Spain

December

Weather in December

The first month of the winter, December, is still a cool month in Alerre, Spain, with an average temperature fluctuating between 10.4°C (50.7°F) and 2.9°C (37.2°F).

Temperature

The start of December sees the average high-temperature at a fresh 10.4°C (50.7°F), showing little difference from November's 13.3°C (55.9°F). The nighttime temperature in Alerre, during December, averages of 2.9°C (37.2°F).

Humidity

The most humid month is December, with an average relative humidity of 73%.

Rainfall

In December, the rain falls for 5.6 days. Throughout December, 15mm (0.59") of precipitation is accumulated. In Alerre, during the entire year, the rain falls for 109.3 days and collects up to 371mm (14.61") of precipitation.

Snowfall

Months with snowfall in Alerre are January through March, November and December. In Alerre, during December, snow falls for 0.5 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, there are 2.9 snowfall days, and 18mm (0.71") of snow is accumulated.

Daylight

December has the shortest days of the year in Alerre, Spain, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 08:11 and sunset at 17:30. On the last day of December, in Alerre, sunrise is at 08:30 and sunset at 17:39 CET.

Sunshine

In December, the average sunshine is 6.7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the average December temperature in Alerre?
December temperatures in Alerre, Spain, vary between a high-temperature of 10.4°C (50.7°F) and a low-temperature of 2.9°C (37.2°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 32°C (89.6°F).
What is the most humid month in Alerre?
With an average relative humidity of 73%, December is the most humid month in Alerre, Spain.
What is the average humidity in December in Alerre?
The average relative humidity in December in Alerre, Spain, is 73%.
How many days does it rain in December in Alerre?
In December, in Alerre, Spain, the rain falls for 5.6 days. Throughout December, 15mm (0.59") of precipitation is accumulated.
How many days does it snow in December in Alerre?
In Alerre, in December, during 0.5 snowfall days, 4mm (0.16") of snow is typically accumulated.
What is the month with the shortest days in Alerre?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
How many hours of daylight does Alerre have in December?
In December, the average day length is 9h and 10min.
When are sunrise and sunset in December in Alerre?
On the first day of December in Alerre, Spain, sunrise is at 08:11 and sunset at 17:30. On the last day of the month, sunrise is at 08:30 and sunset at 17:39 CET.
How many hours of sunshine does Alerre have in December?
In December, the average sunshine duration in Alerre is 6.7h.
What is the month with the lowest UV index in Alerre?
With an average maximum UV index of 2, December is the month with the lowest UV index in Alerre.
What is the UV index intensity in December in Alerre?
In Alerre, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Alerre, Spain
  • Average high temperature in December: 10.4°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (10°C).

  • Average low temperature in December: 2.9°C

The month with the highest average low temperature is August (18.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.2°C).

Average pressure in December
Alerre, Spain
  • Average pressure in December: 1022mbar

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in December
Alerre, Spain
  • Average wind speed in December: 10km/h

The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).

Average humidity in December
Alerre, Spain
  • Average humidity in December: 73%

The month with the highest relative humidity is December (73%).
The month with the lowest relative humidity is July (48%).

Average rainfall in December
Alerre, Spain
  • Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is October (59mm).
The driest month (with the least rainfall) is February (11mm).

Average rainfall days in December
Alerre, Spain
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is December (5.6 days).

Average snowfall in December
Alerre, Spain
  • Average snowfall in December: 4mm

The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Alerre, Spain
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (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
Alerre, 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: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).

Average sunshine days in December
Alerre, Spain
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is April (14.3 days).

Average UV index in December
Alerre, Spain
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Alerre, Spain
  • Average cloud cover in December: 24

The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in December
Alerre, Spain
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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