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
The start of December signals a gentle decrease in the average high-temperature, transitioning from a cool 10.8°C (51.4°F) in November to a frosty 7.5°C (45.5°F). In the month of December, Jaillans records a consistent average low-temperature of 1.6°C (34.9°F).Humidity
December is the most humid month, with an average relative humidity of 84%.Rainfall
In Jaillans, France, in December, during 8.7 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 114.3 rainfall days, and 320mm (12.6") of precipitation is accumulated.Snowfall
Months with snowfall in Jaillans are January through March, November and December. In December, it is snowing for 2.1 days. Throughout December, 7mm (0.28") of snow is accumulated. In Jaillans, during the entire year, snow falls for 11.1 days and aggregates up to 90mm (3.54") of snow.Daylight
The month with the shortest days in Jaillans is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:57 and sunset at 16:59. On the last day of December, in Jaillans, sunrise is at 08:17 and sunset at 17:07 CET.
Sunshine
In Jaillans, the average sunshine in December is 5.6h.UV index
The months with the lowest UV index in Jaillans are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Jaillans?
What is the most humid month in Jaillans?
What is the average humidity in December in Jaillans?
How much does it rain in Jaillans in December?
How much does it snow in Jaillans in December?
What is the month with the shortest days in Jaillans?
What is the average length of the day in December in Jaillans?
What time are sunrise and sunset in December in Jaillans?
How many hours of sunshine does Jaillans have in December?
What is the month with the lowest UV index in Jaillans?
How high is the UV index in December in Jaillans?
Average temperature in December
Jaillans, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 1.6°C
The month with the highest average low temperature is July (14.6°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in December
Jaillans, France
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Jaillans, France
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in December
Jaillans, France
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Jaillans, France
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Jaillans, France
- Average rainfall days in December: 8.7 days
The months with the highest number of rainy days are April and May (11.7 days).
The month with the least rainy days is September (6.6 days).
Average snowfall in December
Jaillans, France
- Average snowfall in December: 7mm
The month with the highest snowfall is November (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Jaillans, France
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (3.8 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
Jaillans, 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: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Jaillans, France
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (15.1 days).
Average UV index in December
Jaillans, France
- Average UV index in December: 2
The months with the highest UV index are June and 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
Jaillans, France
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Jaillans, 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).
