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
December
Weather in December
Temperature
November's transformation into December witnesses an average high-temperature of a frosty 8.7°C (47.7°F), noting a minor change from the preceding month. Saint-Julien-sur-Calonne observes a consistent average low-temperature of 5.5°C (41.9°F) throughout December nights.Humidity
The average relative humidity in December in Saint-Julien-sur-Calonne is 83%.Rainfall
December is the month with the most rainfall in Saint-Julien-sur-Calonne. Rain falls for 18.4 days and accumulates 76mm (2.99") of precipitation.Snowfall
January through March, November and December are months with snowfall in Saint-Julien-sur-Calonne. In Saint-Julien-sur-Calonne, during December, snow falls for 1.8 days and regularly aggregates up to 12mm (0.47") of snow. Throughout the year, there are 9.1 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
The month with the shortest days in Saint-Julien-sur-Calonne is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:33 and sunset at 17:03. On the last day of December, in Saint-Julien-sur-Calonne, sunrise is at 08:54 and sunset at 17:10 CET.
Sunshine
January, November and December, with an average of 4.1h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Saint-Julien-sur-Calonne?
What is the average humidity in December in Saint-Julien-sur-Calonne?
What is the wettest month in Saint-Julien-sur-Calonne?
How much does it rain in Saint-Julien-sur-Calonne in December?
How many days does it snow in December in Saint-Julien-sur-Calonne?
What is the month with the shortest days in Saint-Julien-sur-Calonne?
How many hours of daylight does Saint-Julien-sur-Calonne have in December?
When is the sunrise / sunset in December in Saint-Julien-sur-Calonne?
What is the month with the least sunshine in Saint-Julien-sur-Calonne?
How long on average sun shines in December in Saint-Julien-sur-Calonne?
What is the UV index intensity in December in Saint-Julien-sur-Calonne?
Average temperature in December
Saint-Julien-sur-Calonne, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in December
Saint-Julien-sur-Calonne, France
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Saint-Julien-sur-Calonne, France
- Average wind speed in December: 24.1km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).
Average humidity in December
Saint-Julien-sur-Calonne, France
- Average humidity in December: 83%
The months with the highest relative humidity are January and November (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in December
Saint-Julien-sur-Calonne, France
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Saint-Julien-sur-Calonne, France
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is April (13.1 days).
Average snowfall in December
Saint-Julien-sur-Calonne, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saint-Julien-sur-Calonne, France
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint-Julien-sur-Calonne, France
- Average daylight in December: 8h and 2min
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 18min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Saint-Julien-sur-Calonne, France
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in December
Saint-Julien-sur-Calonne, France
- Average UV index in December: 3
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 and November (UV index 2).
Average cloud cover in December
Saint-Julien-sur-Calonne, France
- Average cloud cover in December: 59
The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and July (Cloud cover 39).
Average visibility in December
Saint-Julien-sur-Calonne, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
