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
Port-Launay's average high-temperature in December is a still cool 10.7°C (51.3°F), marking an insignificant difference from the 12.5°C (54.5°F) of November. During the month of December, Port-Launay's average nighttime temperature closely mirrors its daytime counterpart, at a chilly 7.8°C (46°F).Humidity
The months with the highest humidity in Port-Launay are January, June, October and December, with an average relative humidity of 82%.Rainfall
In December, in Port-Launay, the rain falls for 19.2 days. Throughout December, 79mm (3.11") of precipitation is accumulated. Throughout the year, there are 188.5 rainfall days, and 593mm (23.35") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Port-Launay, in December, during 0.6 snowfall days, 1mm (0.04") of snow is typically accumulated. In Port-Launay, during the entire year, snow falls for 2.6 days and aggregates up to 14mm (0.55") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:46 and sunset at 17:24. On the last day of December, in Port-Launay, sunrise is at 09:06 and sunset at 17:32 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December in Port-Launay is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Port-Launay?
What is the most humid month in Port-Launay?
What is the average humidity in December in Port-Launay?
How many days does it rain in December in Port-Launay?
How many days does it snow in December in Port-Launay?
What is the month with the shortest days in Port-Launay?
How many hours of daylight does Port-Launay have in December?
What time are sunrise and sunset in December in Port-Launay?
What is the month with the least sunshine in Port-Launay?
How long on average sun shines in December in Port-Launay?
What is the UV index reading in December in Port-Launay?
Average temperature in December
Port-Launay, France
- Average high temperature in December: 10.7°C
The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).
- Average low temperature in December: 7.8°C
The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in December
Port-Launay, France
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Port-Launay, France
- Average wind speed in December: 24.7km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).
Average humidity in December
Port-Launay, France
- Average humidity in December: 82%
The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Port-Launay, France
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Port-Launay, France
- Average rainfall days in December: 19.2 days
The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Port-Launay, France
- Average snowfall in December: 1mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Port-Launay, France
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (0.9 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
Port-Launay, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Port-Launay, France
- Average sunshine days in December: 8.5 days
The months with the most sunshine days are May and September (14.6 days).
The month with the least sunshine days is November (6.6 days).
Average UV index in December
Port-Launay, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Port-Launay, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in December
Port-Launay, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, June, September and October (10km).
The months with the lowest visibility are January, May, July, August, November and December (9km).
