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
With the arrival of December, Jaillon experiences a modest decline in average high-temperatures, transitioning from a chilly 8.5°C (47.3°F) in November to an icy 5.4°C (41.7°F). Jaillon, in December, registers a nighttime average temperature of 1°C (33.8°F).Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
December is the month with the most rainfall. Rain falls for 16.2 days and accumulates 66mm (2.6") of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 5.6 days and accumulates 57mm (2.24") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 08:08 and sunset at 16:42. On the last day of the month, sunrise is at 08:28 and sunset at 16:49 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.5h of sunshine.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Jaillon?
What is the most humid month in Jaillon?
What is the average humidity in December in Jaillon?
What is the rainiest month in Jaillon?
How much does it rain in Jaillon in December?
What is the snowiest month in Jaillon?
How much does it snow in Jaillon in December?
What is the month with the shortest days in Jaillon?
What is the average length of the day in December in Jaillon?
When are sunrise and sunset in December in Jaillon?
What is the month with the least sunshine in Jaillon?
How long on average sun shines in December in Jaillon?
When is the lowest UV index in Jaillon?
What is the UV index intensity in December in Jaillon?
Average temperature in December
Jaillon, France
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in December
Jaillon, France
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in December
Jaillon, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in December
Jaillon, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Jaillon, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in December
Jaillon, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is September (11 days).
Average snowfall in December
Jaillon, France
- Average snowfall in December: 57mm
The month with the highest snowfall is December (57mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Jaillon, France
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaillon, 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 18min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Jaillon, France
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
Jaillon, 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
Jaillon, France
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Jaillon, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
