December weather forecast
Sailly-en-Ostrevent, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Sailly-en-Ostrevent, France, with an average temperature varying between 2.7°C (36.9°F) and 6.7°C (44.1°F).

Temperature

Sailly-en-Ostrevent, France, in December experiences a gentle temperature dip, with average high-temperatures reducing from a fresh 10.1°C (50.2°F) in November to a chilly 6.7°C (44.1°F). Sailly-en-Ostrevent's nighttime temperature in December shows a minor descent, with a steady average of 2.7°C (36.9°F).

Humidity

The most humid month in Sailly-en-Ostrevent is December, with an average relative humidity of 88%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.6 days and typically aggregates up to 18mm (0.71") of precipitation.

Snowfall

Months with snowfall in Sailly-en-Ostrevent are January, February and December. December is the first month it typically snows in Sailly-en-Ostrevent, France. Throughout December, in the average 1.5 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Sailly-en-Ostrevent, there are 6.4 snowfall days, and 19mm (0.75") of snow is accumulated.

Daylight

The month with the shortest days in Sailly-en-Ostrevent, France, is December, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 08:26 and sunset at 16:47. On the last day of December, in Sailly-en-Ostrevent, sunrise is at 08:47 and sunset at 16:54 CET.

Sunshine

In December, the average sunshine is 4h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

Is December cold in Sailly-en-Ostrevent?
Sailly-en-Ostrevent in December has an average high-temperature of 6.7°C (44.1°F) and an average low-temperature of 2.7°C (36.9°F).
What is the most humid month in Sailly-en-Ostrevent?
December is the most humid month in Sailly-en-Ostrevent, with an average relative humidity of 88%.
What is the average humidity in December in Sailly-en-Ostrevent?
The average relative humidity in December in Sailly-en-Ostrevent, France, is 88%.
What is the rainiest month in Sailly-en-Ostrevent?
December is the month with the most rainfall in Sailly-en-Ostrevent, France. Rain falls for 10.6 days and accumulates 18mm (0.71") of precipitation.
How much does it rain in Sailly-en-Ostrevent in December?
In Sailly-en-Ostrevent, France, in December, during 10.6 rainfall days, 18mm (0.71") of precipitation is typically accumulated.
When does it start to snow in Sailly-en-Ostrevent?
December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 4mm (0.16") of snow.
What is the month with the shortest days in Sailly-en-Ostrevent?
The month with the shortest days in Sailly-en-Ostrevent is December, with an average of 8h and 6min of daylight.
What is the average length of the day in December in Sailly-en-Ostrevent?
In December, the average day length is 8h and 7min.
When are sunrise and sunset in December in Sailly-en-Ostrevent?
On the first day of December in Sailly-en-Ostrevent, sunrise is at 08:26 and sunset at 16:47. On the last day of the month, sunrise is at 08:47 and sunset at 16:54 CET.
How many hours of sunshine does Sailly-en-Ostrevent have in December?
In Sailly-en-Ostrevent, the average sunshine duration in December is 4h.
What is the month with the lowest UV index in Sailly-en-Ostrevent?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the UV index intensity in December in Sailly-en-Ostrevent?
The average daily maximum UV index in December in Sailly-en-Ostrevent is 2. A UV Index of 2, and less, symbolizes a low health threat from 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 - Sailly-en-Ostrevent, France
Average temperature in December
Sailly-en-Ostrevent, France
  • Average high temperature in December: 6.7°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).

  • Average low temperature in December: 2.7°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in December - Sailly-en-Ostrevent, France
Average pressure in December
Sailly-en-Ostrevent, France
  • Average pressure in December: 1016.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).

Average wind speed in December - Sailly-en-Ostrevent, France
Average wind speed in December
Sailly-en-Ostrevent, France
  • Average wind speed in December: 18.1km/h

The windiest months (with the highest average wind speed) are February and December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in December - Sailly-en-Ostrevent, France
Average humidity in December
Sailly-en-Ostrevent, France
  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (73%).

Average rainfall in December - Sailly-en-Ostrevent, France
Average rainfall in December
Sailly-en-Ostrevent, France
  • Average rainfall in December: 18mm

The wettest month (with the highest rainfall) is December (18mm).
The driest month (with the least rainfall) is September (5mm).

Average rainfall days in December - Sailly-en-Ostrevent, France
Average rainfall days in December
Sailly-en-Ostrevent, France
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is June (11.1 days).
The month with the least rainy days is September (7 days).

Average snowfall in December - Sailly-en-Ostrevent, France
Average snowfall in December
Sailly-en-Ostrevent, France
  • Average snowfall in December: 4mm

The month with the highest snowfall is January (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Sailly-en-Ostrevent, France
Average snowfall days in December
Sailly-en-Ostrevent, France
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 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 - Sailly-en-Ostrevent, France
Average daylight in December /
Average sunshine in December
Sailly-en-Ostrevent, France
  • Average daylight in December: 8h and 1min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December - Sailly-en-Ostrevent, France
Average sunshine days in December
Sailly-en-Ostrevent, France
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (14.1 days).

Average UV index in December - Sailly-en-Ostrevent, France
Average UV index in December
Sailly-en-Ostrevent, France
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Sailly-en-Ostrevent, France
Average cloud cover in December
Sailly-en-Ostrevent, France
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).

Average visibility in December - Sailly-en-Ostrevent, France
Average visibility in December
Sailly-en-Ostrevent, France
  • Average visibility in December: 9km

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

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