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
La Rochelle's average high-temperature in December is a cool 11°C (51.8°F), indicating a subtle variation from November. An average temperature of 7.4°C (45.3°F) is logged during the nights of December, a small step down from daytime highs.Humidity
In December, the average relative humidity in La Rochelle, France, is 81%.Rainfall
In December, the rain falls for 15.8 days. Throughout December, 69mm (2.72") of precipitation is accumulated. In La Rochelle, during the entire year, the rain falls for 161.5 days and collects up to 528mm (20.79") of precipitation.Snowfall
February, March and December are months with snowfall. December is the first month it typically snows in La Rochelle. Throughout December, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. In La Rochelle, during the entire year, snow falls for 1 days and aggregates up to 9mm (0.35") of snow.Sea temperature
In La Rochelle, the average seawater temperature in December is 13.2°C (55.8°F).Note: It is life-risking to swim in 13.2°C (55.8°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in La Rochelle.On the first day of the month, sunrise is at 08:27 and sunset at 17:20. On the last day of December, in La Rochelle, sunrise is at 08:47 and sunset at 17:28 CET.
Sunshine
The months with the least sunshine in La Rochelle are January, November and December, with an average of 4.9h 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 in La Rochelle. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for La Rochelle in December?
What is the average humidity in December in La Rochelle?
How many days does it rain in December in La Rochelle?
When does it start to snow in La Rochelle?
What is the water temperature in December in La Rochelle?
What is the month with the shortest days in La Rochelle?
What is the average length of the day in December in La Rochelle?
When is the sunrise / sunset in December in La Rochelle?
What are the months with the least sunshine in La Rochelle?
How many hours of sunshine does La Rochelle have in December?
When is the lowest UV index in La Rochelle?
What is the UV index intensity in December in La Rochelle?
Average temperature in December
La Rochelle, France
- Average high temperature in December: 11°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in December: 7.4°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in December
La Rochelle, France
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
La Rochelle, France
- Average wind speed in December: 21.6km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.5km/h).
Average humidity in December
La Rochelle, France
- Average humidity in December: 81%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (71%).
Average rainfall in December
La Rochelle, France
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
La Rochelle, France
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is November (16.9 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in December
La Rochelle, France
- Average snowfall in December: 3mm
The month with the highest snowfall is March (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
La Rochelle, France
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
La Rochelle, 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
La Rochelle, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 54min).
Average sunshine days in December
La Rochelle, France
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is November (10.9 days).
Average UV index in December
La Rochelle, 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
La Rochelle, France
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
La Rochelle, 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).
La Rochelle, France
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