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
Weather in December
Temperature
With the arrival of December, La Roche-Guyon notices a mild change in the average high-temperature, sliding from November's cool 10.5°C (50.9°F) to a chilly 7.4°C (45.3°F). La Roche-Guyon's average low temperature, barely cooler than the daytime high, steadies at a cold 2.6°C (36.7°F) during December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In La Roche-Guyon, during December, the rain falls for 16.9 days and regularly aggregates up to 60mm (2.36") of precipitation. Throughout the year, there are 195 rainfall days, and 553mm (21.77") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in La Roche-Guyon. In La Roche-Guyon, in December, during 1.8 snowfall days, 21mm (0.83") of snow is typically accumulated. Throughout the year, in La Roche-Guyon, there are 9.3 snowfall days, and 73mm (2.87") of snow is accumulated.Daylight
The month with the shortest days in La Roche-Guyon is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:27 and sunset at 16:58. On the last day of December, in La Roche-Guyon, sunrise is at 08:47 and sunset at 17:05 CET.
Sunshine
In La Roche-Guyon, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index in La Roche-Guyon are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are December temperatures in La Roche-Guyon?
What is the most humid month in La Roche-Guyon?
What is the average humidity in December in La Roche-Guyon?
How many days does it rain in December in La Roche-Guyon?
How many days does it snow in December in La Roche-Guyon?
What is the month with the shortest days in La Roche-Guyon?
How many hours of daylight does La Roche-Guyon have in December?
When are sunrise and sunset in December in La Roche-Guyon?
How long on average sun shines in December in La Roche-Guyon?
What are the months with the lowest UV index in La Roche-Guyon?
What is the UV index intensity in December in La Roche-Guyon?
Average temperature in December
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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
La Roche-Guyon, 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).
La Roche-Guyon, France
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