Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The transition into December is marked with an average high-temperature of a chilly 9.8°C (49.6°F), showing an insignificant shift from November's 12.6°C (54.7°F). In San Román de Hornija, December is marked by an average low-temperature of 2.7°C (36.9°F).Humidity
In San Román de Hornija, Spain, the average relative humidity in December is 80%.Rainfall
In San Román de Hornija, in December, during 8.4 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In San Román de Hornija, during the entire year, the rain falls for 105.3 days and collects up to 257mm (10.12") of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in San Román de Hornija, Spain, is December, when snow falls for 0.3 days and typically aggregates up to 12mm (0.47") of snow.Daylight
The month with the shortest days in San Román de Hornija is December, with an average of 9h and 12min of daylight.On the first day of December in San Román de Hornija, sunrise is at 08:28 and sunset at 17:52. On the last day of the month, sunrise is at 08:47 and sunset at 18:01 CET.
Sunshine
The month with the least sunshine is December, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index in San Román de Hornija are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in San Román de Hornija?
What is the average humidity in December in San Román de Hornija?
How much does it rain in San Román de Hornija in December?
What is the snowiest month in San Román de Hornija?
How many days does it snow in December in San Román de Hornija?
What is the month with the shortest days in San Román de Hornija?
How many hours of daylight does San Román de Hornija have in December?
When are sunrise and sunset in December in San Román de Hornija?
What is the month with the least sunshine in San Román de Hornija?
How long on average sun shines in December in San Román de Hornija?
What are the months with the lowest UV index in San Román de Hornija?
What is the UV index intensity in December in San Román de Hornija?
Average temperature in December
San Román de Hornija, Spain
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is July (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (2°C).
Average pressure in December
San Román de Hornija, Spain
- Average pressure in December: 1023.3mbar
The month with the highest atmospheric pressure is December (1023.3mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
San Román de Hornija, Spain
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is September (11.6km/h).
Average humidity in December
San Román de Hornija, Spain
- Average humidity in December: 80%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
San Román de Hornija, Spain
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is April (37mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in December
San Román de Hornija, Spain
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in December
San Román de Hornija, Spain
- Average snowfall in December: 12mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
San Román de Hornija, Spain
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
San Román de Hornija, Spain
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
San Román de Hornija, Spain
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in December
San Román de Hornija, Spain
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
San Román de Hornija, Spain
- Average cloud cover in December: 41
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
San Román de Hornija, Spain
- Average visibility in December: 9km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).
