December weather forecast
Arinsal, Andorra

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Weather in December

Weather in December turns quite cold in Arinsal, Andorra, with amplified snowfall and decreased temperatures. A substantial amount of snow has been recorded of 305mm (12.01"), making it the second-highest snowfall month of the year after January. Even though the winter chill is at its height, it does prepare the town for the impending New Year festivities. The sunshine duration in December decreases further as compared to November. The last days of December relent to the chill, preparing to start anew with January's colder realm.

Temperature

The introduction of December sees an average high-temperature of an icy 3.9°C (39°F), hardly deviating from November. In the month of December, Arinsal's average low-temperature falls to a freezing cold -3.6°C (25.5°F).

Humidity

The average relative humidity in December in Arinsal is 78%.

Rainfall

In Arinsal, in December, it is raining for 4.5 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Arinsal, there are 141 rainfall days, and 795mm (31.3") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall in Arinsal. In Arinsal, in December, snow falls for 12.3 days, with typically accumulated 305mm (12.01") of snow. In Arinsal, Andorra, during the entire year, snow falls for 101 days and aggregates up to 2823mm (111.14") 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, sunrise is at 08:04 and sunset at 17:21. On the last day of the month, sunrise is at 08:23 and sunset at 17:30 CET.

Sunshine

In Arinsal, the average sunshine in December is 6.4h.

UV index

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How cold is December in Arinsal?

In Arinsal, 3.9°C (39°F) is the average high-temperature and -3.6°C (25.5°F) is the average low-temperature during December.

What is the average humidity in December in Arinsal?

In December, the average relative humidity in Arinsal is 78%.

How many days does it rain in December in Arinsal?

In Arinsal, during December, the rain falls for 4.5 days and regularly aggregates up to 41mm (1.61") of precipitation.

How many days does it snow in December in Arinsal?

In Arinsal, in December, during 12.3 snowfall days, 305mm (12.01") of snow is typically accumulated.

What is the month with the shortest days in Arinsal?

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

How many hours of daylight does Arinsal have in December?

In Arinsal, the average day length in December is 9h and 7min.

When is the sunrise / sunset in December in Arinsal?

On the first day of December in Arinsal, Andorra, sunrise is at 08:04 and sunset at 17:21. On the last day of the month, sunrise is at 08:23 and sunset at 17:30 CET.

How many hours of sunshine does Arinsal have in December?

In December, the average sunshine duration in Arinsal is 6.4h.

What is the UV index reading in December in Arinsal?

In Arinsal, Andorra, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Arinsal, Andorra

Average temperature in December - Arinsal, Andorra
  • Average high temperature in December: 3.9°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (2.3°C).

  • Average low temperature in December: -3.6°C

The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

Average pressure in December
Arinsal, Andorra

Average pressure in December - Arinsal, Andorra
  • Average pressure in December: 1021.4mbar

The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in December
Arinsal, Andorra

Average wind speed in December - Arinsal, Andorra
  • Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is February (9.7km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in December
Arinsal, Andorra

Average humidity in December - Arinsal, Andorra
  • Average humidity in December: 78%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in December
Arinsal, Andorra

Average rainfall in December - Arinsal, Andorra
  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in December
Arinsal, Andorra

Average rainfall days in December - Arinsal, Andorra
  • Average rainfall days in December: 4.5 days

The months with the highest number of rainy days are May and June (19.8 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Arinsal, Andorra

Average snowfall in December - Arinsal, Andorra
  • Average snowfall in December: 305mm

The month with the highest snowfall is March (501mm).
The month with the least snowfall is July (0mm).

Average snowfall days in December
Arinsal, Andorra

Average snowfall days in December - Arinsal, Andorra
  • Average snowfall days in December: 12.3 days

The month with the highest number of snowfall days is March (17.1 days).
The month with the least snowfall days is July (0.1 days).

Average daylight in December /
Average sunshine in December
Arinsal, Andorra

Average daylight in December / Average sunshine in December - Arinsal, Andorra
  • Average daylight in December: 9h and 1min

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 2min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Arinsal, Andorra

Average sunshine days in December - Arinsal, Andorra
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (6.6 days).

Average UV index in December
Arinsal, Andorra

Average UV index in December - Arinsal, Andorra
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Arinsal, Andorra

Average cloud cover in December - Arinsal, Andorra
  • Average cloud cover in December: 33

The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in December
Arinsal, Andorra

Average visibility in December - Arinsal, Andorra
  • Average visibility in December: 9km

The months with the highest visibility are May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February, March, April and November (8km).

Arinsal, Andorra

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