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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





