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
Guernes's weather subtly changes with the onset of December, barely falling from a cool 10.5°C (50.9°F) in November to a chilly 7.4°C (45.3°F). In December, Guernes's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 2.6°C (36.7°F).Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In December, the rain falls for 16.9 days. Throughout December, 60mm (2.36") of precipitation is accumulated. In Guernes, during the entire year, the rain falls for 195 days and collects up to 553mm (21.77") of precipitation.Snowfall
Months with snowfall in Guernes are January through March, November and December. In Guernes, during December, snow falls for 1.8 days and regularly aggregates up to 21mm (0.83") of snow. Throughout the year, in Guernes, there are 9.3 snowfall days, and 73mm (2.87") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of December in Guernes, sunrise is at 08:26 and sunset at 16:58. On the last day of the month, sunrise is at 08:47 and sunset at 17:05 CET.
Sunshine
In December, the average sunshine in Guernes is 4.2h.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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Guernes?
What are the most humid months in Guernes?
What is the average humidity in December in Guernes?
How much does it rain in Guernes in December?
How many days does it snow in December in Guernes?
What is the month with the shortest days in Guernes?
How many hours of daylight does Guernes have in December?
When are sunrise and sunset in December in Guernes?
How many hours of sunshine does Guernes have in December?
What are the months with the lowest UV index in Guernes?
How high is the UV index in December in Guernes?
Average temperature in December
Guernes, France
- Average high temperature in December: 7.4°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in December
Guernes, France
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Guernes, France
- Average wind speed in December: 16.2km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Guernes, France
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Guernes, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Guernes, France
- Average rainfall days in December: 16.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in December
Guernes, France
- Average snowfall in December: 21mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Guernes, France
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.2 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
Guernes, 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Guernes, France
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in December
Guernes, 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
Guernes, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in December
Guernes, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
