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 sea temperature 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
In December, Saint-Valery-en-Caux experiences a minor shift in meteorological conditions with average high-temperatures marked at a chilly 8.7°C (47.7°F), closely mirroring the climate in November. Nighttime readings during December register a minimal drop from daytime highs, averaging at an icy 5.9°C (42.6°F).Humidity
In December, the average relative humidity in Saint-Valery-en-Caux is 82%.Rainfall
December is the month with the most rainfall. Rain falls for 16.4 days and accumulates 51mm (2.01") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Saint-Valery-en-Caux, in December, during 1 snowfall days, 4mm (0.16") of snow is typically accumulated. Throughout the year, in Saint-Valery-en-Caux, France, there are 5.5 snowfall days, and 21mm (0.83") of snow is accumulated.Sea temperature
In December, the average sea temperature is 11.7°C (53.1°F).Note: One needs to be cautious in 11.7°C (53.1°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
The month with the shortest days in Saint-Valery-en-Caux, France, is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:33 and sunset at 16:58. On the last day of December, in Saint-Valery-en-Caux, France, sunrise is at 08:54 and sunset at 17:05 CET.
Sunshine
In December, the average sunshine is 4.1h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Saint-Valery-en-Caux in December?
What is the average humidity in December in Saint-Valery-en-Caux?
What is the wettest month in Saint-Valery-en-Caux?
How much does it rain in Saint-Valery-en-Caux in December?
How many days does it snow in December in Saint-Valery-en-Caux?
What is the sea water temperature in December in Saint-Valery-en-Caux?
What is the month with the shortest days in Saint-Valery-en-Caux?
What is the average length of the day in December in Saint-Valery-en-Caux?
When is the sunrise / sunset in December in Saint-Valery-en-Caux?
How many hours of sunshine does Saint-Valery-en-Caux have in December?
What is the month with the lowest UV index in Saint-Valery-en-Caux?
What is the UV index reading in December in Saint-Valery-en-Caux?
Average temperature in December
Saint-Valery-en-Caux, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Saint-Valery-en-Caux, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Saint-Valery-en-Caux, France
- Average wind speed in December: 27.5km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in December
Saint-Valery-en-Caux, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Saint-Valery-en-Caux, France
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Saint-Valery-en-Caux, France
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in December
Saint-Valery-en-Caux, France
- Average snowfall in December: 4mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Valery-en-Caux, France
- Average snowfall days in December: 1 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Saint-Valery-en-Caux, France
- Average sea temperature in December: 11.7°C
The best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in December /
Average sunshine in December
Saint-Valery-en-Caux, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in December
Saint-Valery-en-Caux, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Saint-Valery-en-Caux, 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
Saint-Valery-en-Caux, France
- Average cloud cover in December: 60
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in December
Saint-Valery-en-Caux, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Saint-Valery-en-Caux, France
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