December weather forecastSeira, Spain

December

Weather in December

December, the first month of the winter in Seira, is also a frosty month, with an average temperature varying between 7.8°C (46°F) and -0.2°C (31.6°F).

Temperature

The arrival of December is marked by an average high-temperature of a frosty 7.8°C (46°F), bearing a close resemblance to November. Seira's December nights cool down to an average low-temperature of -0.2°C (31.6°F).

Humidity

In Seira, Spain, the average relative humidity in December is 73%.

Rainfall

In Seira, during December, the rain falls for 4.7 days and regularly aggregates up to 9mm (0.35") of precipitation. In Seira, Spain, during the entire year, the rain falls for 102.4 days and collects up to 258mm (10.16") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Seira. In Seira, in December, snow falls for 0.7 days, with typically accumulated 4mm (0.16") of snow. In Seira, during the entire year, snow falls for 7 days and aggregates up to 61mm (2.4") 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 December in Seira, sunrise is at 08:08 and sunset at 17:26. On the last day of the month, sunrise is at 08:27 and sunset at 17:35 CET.

Sunshine

The average sunshine in December is 6.9h.

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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

The average high-temperature and low-temperature in Seira during December are 7.8°C (46°F) and -0.2°C (31.6°F) respectively.

In December, the average relative humidity is 73%.

In Seira, in December, it is raining for 4.7 days, with typically 9mm (0.35") of accumulated precipitation.

In Seira, in December, during 0.7 snowfall days, 4mm (0.16") of snow is typically accumulated.

With an average of 9h and 6min of daylight, December has the shortest days of the year in Seira.

In December, the average day length in Seira is 9h and 8min.

On the first day of December in Seira, sunrise is at 08:08 and sunset at 17:26. On the last day of the month, sunrise is at 08:27 and sunset at 17:35 CET.

In Seira, Spain, the average sunshine duration in December is 6.9h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index in Seira, Spain, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Seira, Spain

  • Average high temperature in December: 7.8°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (6.5°C).

  • Average low temperature in December: -0.2°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).

Average pressure in December
Seira, Spain

  • Average pressure in December: 1021.8mbar

The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in December
Seira, Spain

  • Average wind speed in December: 7.5km/h

The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).

Average humidity in December
Seira, Spain

  • Average humidity in December: 73%

The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).

Average rainfall in December
Seira, Spain

  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is February (8mm).

Average rainfall days in December
Seira, Spain

  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.7 days).

Average snowfall in December
Seira, Spain

  • Average snowfall in December: 4mm

The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Seira, Spain

  • Average snowfall days in December: 0.7 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
Seira, 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: 6h and 54min

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 42min).

Average sunshine days in December
Seira, Spain

  • Average sunshine days in December: 25.1 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is April (15 days).

Average UV index in December
Seira, Spain

  • Average UV index in December: 2

The months with the highest UV index are June and 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
Seira, Spain

  • Average cloud cover in December: 23

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

Average visibility in December
Seira, Spain

  • Average visibility in December: 10km

The months with the highest visibility are February, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April and November (9km).