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
As December unfolds, the average high-temperature reaches a chilly 7.5°C (45.5°F), hinting at a slight fluctuation from the previous month. Rouen registers a subtle dip to an average of 2.9°C (37.2°F) during the nights of December.Humidity
The months with the highest humidity in Rouen, France, are January and December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Rouen is December, when the rain falls for 16.2 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
Months with snowfall in Rouen are January through March, November and December. In December, in Rouen, it is snowing for 1.3 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, there are 7 snowfall days, and 43mm (1.69") of snow is accumulated.Daylight
December has the shortest days of the year in Rouen, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 16:59. On the last day of December, sunrise is at 08:51 and sunset at 17:06 CET.
Sunshine
In Rouen, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Rouen, France, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Rouen in December?
What are the most humid months in Rouen?
What is the average humidity in December in Rouen?
What is the wettest month in Rouen?
How much does it rain in Rouen in December?
How many days does it snow in December in Rouen?
What is the month with the shortest days in Rouen?
How many hours of daylight does Rouen have in December?
When are sunrise and sunset in December in Rouen?
How many hours of sunshine does Rouen have in December?
What are the months with the lowest UV index in Rouen?
What is the UV index intensity in December in Rouen?
Average temperature in December
Rouen, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Rouen, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in December
Rouen, France
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Rouen, France
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in December
Rouen, France
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Rouen, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in December
Rouen, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Rouen, France
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.3 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
Rouen, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Rouen, France
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Rouen, France
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rouen, France
- Average cloud cover in December: 62
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in December
Rouen, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Rouen, France
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