December weather forecastSan Juan de Plan, Spain

December

Weather in December

December, the first month of the winter in San Juan de Plan, is still a chilly month, with temperature in the range of an average low of -0.2°C (31.6°F) and an average high of 7.8°C (46°F).

Temperature

San Juan de Plan's shift into December sets the average high-temperature at a chilly 7.8°C (46°F), a figure that deviates only slightly from November's 10.2°C (50.4°F). In the month of December, the average low-temperature in San Juan de Plan usually rests at a subzero cold -0.2°C (31.6°F).

Humidity

The average relative humidity in December in San Juan de Plan is 73%.

Rainfall

In San Juan de Plan, Spain, in December, it is raining for 4.7 days, with typically 9mm (0.35") of accumulated precipitation. In San Juan de Plan, during the entire year, the rain falls for 102.4 days and collects up to 258mm (10.16") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In San Juan de Plan, in December, snow falls for 0.7 days, with typically accumulated 4mm (0.16") of snow. In San Juan de Plan, 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 San Juan de Plan, sunrise is at 08:09 and sunset at 17:26. On the last day of the month, sunrise is at 08:28 and sunset at 17:35 CET.

Sunshine

The average sunshine in December is 6.9h.

UV index

The months with the lowest UV index in San Juan de Plan are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

The high-temperature, in December, in San Juan de Plan, records 7.8°C (46°F), while the low-temperature is -0.2°C (31.6°F).

The average relative humidity in December in San Juan de Plan is 73%.

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

In San Juan de Plan, during December, snow falls for 0.7 days and regularly aggregates up to 4mm (0.16") of snow.

December has the shortest days of the year in San Juan de Plan, Spain, with an average of 9h and 6min of daylight.

In December, the average day length in San Juan de Plan, Spain, is 9h and 7min.

In December, on the first day of the month, sunrise is at 08:09 and sunset at 17:26. On the last day of the month, in San Juan de Plan, sunrise is at 08:28 and sunset at 17:35 CET.

In San Juan de Plan, 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 San Juan de Plan, Spain.

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, Spain

  • Average daylight in December: 9h and 6min

The month with the longest days is June (Average daylight: 15h and 18min).
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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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
San Juan de Plan, 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).