Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from an icy 4.4°C (39.9°F) in November to a still wintry 0.8°C (33.4°F). During December, the nighttime temperature averages of -5.8°C (21.6°F).Humidity
The average relative humidity in December is 84%.Rainfall
The month with the most rainfall in Ornon is December, when the rain falls for 4.5 days and typically aggregates up to 133mm (5.24") of precipitation.Snowfall
Months with snowfall are January through December. December is the month with the most snowfall in Ornon. Snow falls for 15.1 days and accumulates 1081mm (42.56") of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Ornon, sunrise is at 07:54 and sunset at 16:55. On the last day of the month, sunrise is at 08:14 and sunset at 17:04 CET.
Sunshine
December has the least sunshine of the year, with an average of 4.7h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ornon?
What is the average humidity in December in Ornon?
What is the wettest month in Ornon?
How much does it rain in Ornon in December?
When does it snow the most in Ornon?
How many days does it snow in December in Ornon?
What is the month with the shortest days in Ornon?
What is the average length of the day in December in Ornon?
When is the sunrise / sunset in December in Ornon?
What is the month with the least sunshine in Ornon?
How long on average sun shines in December in Ornon?
How high is the UV index in December in Ornon?
Average temperature in December
Ornon, France
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (18.7°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -5.8°C
The month with the highest average low temperature is August (8.6°C).
The coldest month (with the lowest average low temperature) is February (-8.3°C).
Average pressure in December
Ornon, France
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in December
Ornon, France
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is September (6.9km/h).
Average humidity in December
Ornon, France
- Average humidity in December: 84%
The months with the highest relative humidity are January, February and March (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Ornon, France
- Average rainfall in December: 133mm
The wettest month (with the highest rainfall) is December (133mm).
The driest month (with the least rainfall) is July (60mm).
Average rainfall days in December
Ornon, France
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Ornon, France
- Average snowfall in December: 1081mm
The month with the highest snowfall is December (1081mm).
The month with the least snowfall is July (1mm).
Average snowfall days in December
Ornon, France
- Average snowfall days in December: 15.1 days
The month with the highest number of snowfall days is January (16.2 days).
The month with the least snowfall days is August (0.2 days).
Average daylight in December /
Average sunshine in December
Ornon, France
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Ornon, France
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Ornon, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Ornon, France
- Average cloud cover in December: 46
The months with the most cloud cover are February and May (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Ornon, France
- Average visibility in December: 8km
The months with the highest visibility are April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March and May (7km).
