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
Weather in December
Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a chilly 8.5°C (47.3°F) in November to a wintry 5.1°C (41.2°F). Saint-Julien-lès-Metz, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a still icy 1°C (33.8°F).Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
December is the month with the most rainfall in Saint-Julien-lès-Metz. Rain falls for 15.6 days and accumulates 66mm (2.6") of precipitation.Snowfall
January through March, October through December are months with snowfall in Saint-Julien-lès-Metz. The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 61mm (2.4") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Saint-Julien-lès-Metz.On the first day of December in Saint-Julien-lès-Metz, sunrise is at 08:08 and sunset at 16:39. On the last day of the month, sunrise is at 08:29 and sunset at 16:47 CET.
Sunshine
With an average of 3.3h of sunshine, December has the least sunshine of the year in Saint-Julien-lès-Metz.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Julien-lès-Metz. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
How cold is it in Saint-Julien-lès-Metz in December?
What is the most humid month in Saint-Julien-lès-Metz?
What is the average humidity in December in Saint-Julien-lès-Metz?
What is the wettest month in Saint-Julien-lès-Metz?
How many days does it rain in December in Saint-Julien-lès-Metz?
What is the snowiest month in Saint-Julien-lès-Metz?
How many days does it snow in December in Saint-Julien-lès-Metz?
What is the month with the shortest days in Saint-Julien-lès-Metz?
What is the average length of the day in December in Saint-Julien-lès-Metz?
When is the sunrise / sunset in December in Saint-Julien-lès-Metz?
What is the month with the least sunshine in Saint-Julien-lès-Metz?
How long on average sun shines in December in Saint-Julien-lès-Metz?
What are the months with the lowest UV index in Saint-Julien-lès-Metz?
What is the UV index reading in December in Saint-Julien-lès-Metz?
Average temperature in December
Saint-Julien-lès-Metz, France
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in December
Saint-Julien-lès-Metz, France
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in December
Saint-Julien-lès-Metz, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Saint-Julien-lès-Metz, France
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Saint-Julien-lès-Metz, France
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Saint-Julien-lès-Metz, France
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in December
Saint-Julien-lès-Metz, France
- Average snowfall in December: 61mm
The month with the highest snowfall is December (61mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Saint-Julien-lès-Metz, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint-Julien-lès-Metz, 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: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Saint-Julien-lès-Metz, France
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in December
Saint-Julien-lès-Metz, 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-Julien-lès-Metz, France
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Saint-Julien-lès-Metz, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
Saint-Julien-lès-Metz, France
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