December weather forecastSaint-André-sur-Cailly, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Saint-André-sur-Cailly, France, with an average temperature varying between 7.5°C (45.5°F) and 2.9°C (37.2°F).Temperature
Saint-André-sur-Cailly observes an average high-temperature of a frosty 7.5°C (45.5°F) in December, barely different from 10.2°C (50.4°F) in November. Saint-André-sur-Cailly experiences a subtle drop in temperature during the December nights, recording an average of 2.9°C (37.2°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 16.2 days and typically aggregates up to 60mm (2.36") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, in Saint-André-sur-Cailly, it is snowing for 1.3 days. Throughout December, 12mm (0.47") of snow is accumulated. In Saint-André-sur-Cailly, during the entire year, snow falls for 7 days and aggregates up to 43mm (1.69") of snow.Daylight
December has the shortest days of the year in Saint-André-sur-Cailly, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:30 and sunset at 16:58. On the last day of December, in Saint-André-sur-Cailly, sunrise is at 08:51 and sunset at 17:05 CET.
Sunshine
In Saint-André-sur-Cailly, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-André-sur-Cailly, France. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, France
- Average daylight in December: 8h and 12min
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 54min
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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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
Saint-André-sur-Cailly, 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).
