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
With the onset of December, Saint-Denis-d'Oléron's average high-temperature clocks in at a fresh 12°C (53.6°F), showing a minor fluctuation from the previous month. The month of December in Saint-Denis-d'Oléron is marked by an average minimum temperature of 9.4°C (48.9°F), slightly cooler than its daytime counterpart.Humidity
In Saint-Denis-d'Oléron, the average relative humidity in December is 78%.Rainfall
In Saint-Denis-d'Oléron, in December, it is raining for 16.5 days, with typically 53mm (2.09") of accumulated precipitation. In Saint-Denis-d'Oléron, during the entire year, the rain falls for 166.1 days and collects up to 473mm (18.62") of precipitation.Snowfall
February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 0.9 snowfall days, and 4mm (0.16") of snow is accumulated.Sea temperature
In December, the average sea temperature in Saint-Denis-d'Oléron is 13.2°C (55.8°F).Note: In 13.2°C (55.8°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 08:27 and sunset at 17:21. On the last day of the month, sunrise is at 08:47 and sunset at 17:30 CET.
Sunshine
The months with the least sunshine in Saint-Denis-d'Oléron, France, are November and December, with an average of 4.7h of sunshine.UV index
January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 suggests this advice:
Take precautions - Protection against sun damage is advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are December temperatures in Saint-Denis-d'Oléron?
What is the average humidity in December in Saint-Denis-d'Oléron?
How many days does it rain in December in Saint-Denis-d'Oléron?
When does it start to snow in Saint-Denis-d'Oléron?
What is the water temperature in December in Saint-Denis-d'Oléron?
What is the month with the shortest days in Saint-Denis-d'Oléron?
How many hours of daylight does Saint-Denis-d'Oléron have in December?
When are sunrise and sunset in December in Saint-Denis-d'Oléron?
What are the months with the least sunshine in Saint-Denis-d'Oléron?
How many hours of sunshine does Saint-Denis-d'Oléron have in December?
What is the month with the lowest UV index in Saint-Denis-d'Oléron?
What is the UV index reading in December in Saint-Denis-d'Oléron?
Average temperature in December
Saint-Denis-d'Oléron, France
- Average high temperature in December: 12°C
The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is February (9.8°C).
- Average low temperature in December: 9.4°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in December
Saint-Denis-d'Oléron, France
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
Saint-Denis-d'Oléron, France
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (17.9km/h).
Average humidity in December
Saint-Denis-d'Oléron, France
- Average humidity in December: 78%
The months with the highest relative humidity are January and May (79%).
The month with the lowest relative humidity is September (74%).
Average rainfall in December
Saint-Denis-d'Oléron, France
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in December
Saint-Denis-d'Oléron, France
- Average rainfall days in December: 16.5 days
The months with the highest number of rainy days are January and November (18 days).
The month with the least rainy days is September (10 days).
Average snowfall in December
Saint-Denis-d'Oléron, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Saint-Denis-d'Oléron, France
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are February and December (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Saint-Denis-d'Oléron, France
- Average sea temperature in December: 13.2°C
The best month for swimming (with the highest average sea temperature) is August (19.8°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in December /
Average sunshine in December
Saint-Denis-d'Oléron, France
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Saint-Denis-d'Oléron, France
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in December
Saint-Denis-d'Oléron, France
- Average UV index in December: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in December
Saint-Denis-d'Oléron, France
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Saint-Denis-d'Oléron, 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-Denis-d'Oléron, France
Weather forecast for your location
2. Allow the app to use your location
