December weather forecast
Cayriech, France

December

Weather in December

December, the first month of the winter in Cayriech, is also a frosty month, with an average temperature varying between 3.1°C (37.6°F) and 9.1°C (48.4°F).

Temperature

In Cayriech, the average high-temperature in December gently drops from a fresh 12.5°C (54.5°F) in November to a frosty 9.1°C (48.4°F). Cayriech, in December, observes a steady average low-temperature of 3.1°C (37.6°F).

Humidity

January and December, with an average relative humidity of 87%, are the most humid months in Cayriech.

Rainfall

In December, the rain falls for 12.7 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 158.8 rainfall days, and 480mm (18.9") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Cayriech. In Cayriech, during December, snow falls for 0.8 days and regularly aggregates up to 7mm (0.28") of snow. Throughout the year, there are 5.3 snowfall days, and 25mm (0.98") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 08:09 and sunset at 17:16. On the last day of December, in Cayriech, sunrise is at 08:28 and sunset at 17:24 CET.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index in Cayriech are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What are December temperatures in Cayriech?
In Cayriech, in December, the average high-temperature is 9.1°C (48.4°F), and the average low-temperature is 3.1°C (37.6°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 30°C (86°F).
What is the most humid month in Cayriech?
January and December, with an average relative humidity of 87%, are most humid months.
What is the average humidity in December in Cayriech?
The average relative humidity in December is 87%.
How many days does it rain in December in Cayriech?
In Cayriech, in December, it is raining for 12.7 days, with typically 44mm (1.73") of accumulated precipitation.
How much does it snow in Cayriech in December?
In December, in Cayriech, it is snowing for 0.8 days. Throughout December, 7mm (0.28") of snow is accumulated.
What is the month with the shortest days in Cayriech?
The month with the shortest days in Cayriech, France, is December, with an average of 8h and 54min of daylight.
What is the average length of the day in December in Cayriech?
In December, the average day length is 8h and 56min.
What time are sunrise and sunset in December in Cayriech?
On the first day of December in Cayriech, sunrise is at 08:09 and sunset at 17:16. On the last day of the month, sunrise is at 08:28 and sunset at 17:24 CET.
How many hours of sunshine does Cayriech have in December?
The average sunshine duration in December in Cayriech is 4.8h.
When is the lowest UV index in Cayriech?
The months with the lowest UV index in Cayriech, France, are January, February, November and December, with an average maximum UV index of 2.
What is the UV index reading in December in Cayriech?
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Cayriech, France
  • Average high temperature in December: 9.1°C

The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7.9°C).

  • Average low temperature in December: 3.1°C

The months with the highest average low temperature are July and August (15°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).

Average pressure in December
Cayriech, France
  • Average pressure in December: 1021.6mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).

Average wind speed in December
Cayriech, France
  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is March (10.5km/h).
The calmest months (with the lowest average wind speed) are August and September (7.6km/h).

Average humidity in December
Cayriech, France
  • Average humidity in December: 87%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Cayriech, France
  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in December
Cayriech, France
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is September (10.1 days).

Average snowfall in December
Cayriech, France
  • Average snowfall in December: 7mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Cayriech, France
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.9 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
Cayriech, France
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Cayriech, France
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Cayriech, France
  • Average UV index in December: 2

The month with the highest UV index is 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
Cayriech, France
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Cayriech, France
  • Average visibility in December: 7km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and December (7km).

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