December weather forecast
Orly, France

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Weather in December

December, the first month of the winter in Orly, is still a chilly month, with an average temperature fluctuating between 7.3°C (45.1°F) and 3°C (37.4°F).

Temperature

In December, the average high-temperature marginally drops from a fresh 10.5°C (50.9°F) in November to a chilly 7.3°C (45.1°F). Orly maintains an average of approximately a wintry 3°C (37.4°F) during December nights, with only a minimal decrease from the daytime temperature.

Humidity

The months with the highest humidity in Orly are January and December, with an average relative humidity of 85%.

Rainfall

In Orly, in December, it is raining for 15.4 days, with typically 50mm (1.97") of accumulated precipitation. In Orly, France, during the entire year, the rain falls for 172.7 days and collects up to 467mm (18.39") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Orly. In Orly, during December, snow falls for 1.9 days and regularly aggregates up to 17mm (0.67") of snow. In Orly, France, during the entire year, snow falls for 8.5 days and aggregates up to 72mm (2.83") of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year in Orly.
On the first day of the month, sunrise is at 08:22 and sunset at 16:56. On the last day of December, in Orly, France, sunrise is at 08:43 and sunset at 17:04 CET.

Sunshine

In Orly, the average sunshine in December is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during December leads to these advisories:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What is the average December temperature in Orly?

An average high-temperature, in December, in Orly, is 7.3°C (45.1°F) and the average low-temperature is 3°C (37.4°F).

What is the most humid month in Orly?

January and December, with an average relative humidity of 85%, are most humid months in Orly.

What is the average humidity in December in Orly?

The average relative humidity in December is 85%.

How much does it rain in Orly in December?

In December, in Orly, the rain falls for 15.4 days. Throughout December, 50mm (1.97") of precipitation is accumulated.

How much does it snow in Orly in December?

In Orly, in December, during 1.9 snowfall days, 17mm (0.67") of snow is typically accumulated.

What is the month with the shortest days in Orly?

With an average of 8h and 24min of daylight, December has the shortest days of the year in Orly.

What is the average length of the day in December in Orly?

The average day length in December is 8h and 21min.

When is the sunrise / sunset in December in Orly?

In December, on the first day of the month, sunrise is at 08:22 and sunset at 16:56. On the last day of the month, in Orly, sunrise is at 08:43 and sunset at 17:04 CET.

How many hours of sunshine does Orly have in December?

In Orly, France, the average sunshine duration in December is 4.3h.

What are the months with the lowest UV index in Orly?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Orly?

In Orly, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Orly, France

Average temperature in December - Orly, France
  • Average high temperature in December: 7.3°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in December: 3°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Orly, France

Average pressure in December - Orly, France
  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).

Average wind speed in December
Orly, France

Average wind speed in December - Orly, France
  • Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Orly, France

Average humidity in December - Orly, France
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Orly, France

Average rainfall in December - Orly, France
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in December
Orly, France

Average rainfall days in December - Orly, France
  • Average rainfall days in December: 15.4 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is September (10.7 days).

Average snowfall in December
Orly, France

Average snowfall in December - Orly, France
  • Average snowfall in December: 17mm

The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Orly, France

Average snowfall days in December - Orly, France
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is February (2.8 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
Orly, France

Average daylight in December / Average sunshine in December - Orly, France
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Orly, France

Average sunshine days in December - Orly, France
  • Average sunshine days in December: 12 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in December
Orly, France

Average UV index in December - Orly, 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
Orly, France

Average cloud cover in December - Orly, France
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in December
Orly, France

Average visibility in December - Orly, 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).

Orly, France

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