December weather forecast
Romanones, Spain

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Weather in December

The first month of the winter, December, is also a frosty month in Romanones, Spain, with an average temperature fluctuating between 9.5°C (49.1°F) and 2°C (35.6°F).

Temperature

Romanones's progression into December involves a gentle drop in the average high-temperature, from a cool 12.5°C (54.5°F) in November to a frosty 9.5°C (49.1°F). During December, Romanones's temperature falls to a steady low-temperature average of 2°C (35.6°F).

Humidity

The average relative humidity in December is 75%.

Rainfall

In Romanones, in December, during 6.4 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Romanones, during the entire year, the rain falls for 86.7 days and collects up to 169mm (6.65") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Romanones, in December, snow falls for 0.5 days, with typically accumulated 1mm (0.04") of snow. In Romanones, during the entire year, snow falls for 4.2 days and aggregates up to 23mm (0.91") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 08:16 and sunset at 17:45. On the last day of the month, sunrise is at 08:35 and sunset at 17:55 CET.

Sunshine

The month with the least sunshine in Romanones is December, with an average of 6.1h of sunshine.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jan 27, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in December in Romanones?

December temperatures in Romanones vary between a high-temperature of 9.5°C (49.1°F) and a low-temperature of 2°C (35.6°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in June is estimated at 27°C (80.6°F).

What is the average humidity in December in Romanones?

The average relative humidity in December in Romanones is 75%.

How many days does it rain in December in Romanones?

In Romanones, Spain, in December, it is raining for 6.4 days, with typically 14mm (0.55") of accumulated precipitation.

How much does it snow in Romanones in December?

In Romanones, in December, during 0.5 snowfall days, 1mm (0.04") of snow is typically accumulated.

What is the month with the shortest days in Romanones?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Romanones, Spain.

How many hours of daylight does Romanones have in December?

In Romanones, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December in Romanones?

On the first day of December in Romanones, sunrise is at 08:16 and sunset at 17:45. On the last day of the month, sunrise is at 08:35 and sunset at 17:55 CET.

What is the month with the least sunshine in Romanones?

December has the least sunshine of the year in Romanones, Spain, with an average of 6.1h of sunshine.

How many hours of sunshine does Romanones have in December?

The average sunshine duration in December in Romanones is 6.1h.

When is the lowest UV index in Romanones?

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

What is the UV index reading in December in Romanones?

In Romanones, Spain, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Romanones, Spain

Average temperature in December - Romanones, Spain
  • Average high temperature in December: 9.5°C

The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (8.6°C).

  • Average low temperature in December: 2°C

The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average pressure in December
Romanones, Spain

Average pressure in December - Romanones, Spain
  • Average pressure in December: 1023.4mbar

The month with the highest atmospheric pressure is December (1023.4mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in December
Romanones, Spain

Average wind speed in December - Romanones, Spain
  • Average wind speed in December: 9.4km/h

The windiest months (with the highest average wind speed) are February and March (12.2km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).

Average humidity in December
Romanones, Spain

Average humidity in December - Romanones, Spain
  • Average humidity in December: 75%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (37%).

Average rainfall in December
Romanones, Spain

Average rainfall in December - Romanones, Spain
  • Average rainfall in December: 14mm

The wettest month (with the highest rainfall) is April (27mm).
The driest month (with the least rainfall) is July (7mm).

Average rainfall days in December
Romanones, Spain

Average rainfall days in December - Romanones, Spain
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is August (2.7 days).

Average snowfall in December
Romanones, Spain

Average snowfall in December - Romanones, Spain
  • Average snowfall in December: 1mm

The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Romanones, Spain

Average snowfall days in December - Romanones, Spain
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.6 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
Romanones, Spain

Average daylight in December / Average sunshine in December - Romanones, Spain
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in December
Romanones, Spain

Average sunshine days in December - Romanones, Spain
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).

Average UV index in December
Romanones, Spain

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

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

Average cloud cover in December
Romanones, Spain

Average cloud cover in December - Romanones, Spain
  • Average cloud cover in December: 33

The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in December
Romanones, Spain

Average visibility in December - Romanones, Spain
  • Average visibility in December: 9km

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

Romanones, Spain

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