December weather forecastMerceuil, France
December
Weather in December
December, the first month of the winter in Merceuil, is also a frosty month, with temperature in the range of an average high of 6.4°C (43.5°F) and an average low of 1.5°C (34.7°F).Temperature
In the transition to December, Merceuil observes a minor drop in the average high-temperature, shifting from 9.9°C (49.8°F) in November to a still frosty 6.4°C (43.5°F). Merceuil notes a steady average temperature of 1.5°C (34.7°F) during the nights of December.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
In Merceuil, during December, the rain falls for 16.2 days and regularly aggregates up to 72mm (2.83") of precipitation. In Merceuil, during the entire year, the rain falls for 183.2 days and collects up to 650mm (25.59") of precipitation.Snowfall
Months with snowfall are January through March, October through December. The months with the most snowfall in Merceuil are January and December, with an average 29mm (1.14") of accumulated snow.Daylight
December has the shortest days of the year in Merceuil, France, with an average of 8h and 36min of daylight.On the first day of December in Merceuil, sunrise is at 08:05 and sunset at 16:53. On the last day of the month, sunrise is at 08:26 and sunset at 17:01 CET.
Sunshine
The month with the least sunshine in Merceuil is December, with an average of 4.4h of sunshine.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merceuil, France
- Average high temperature in December: 6.4°C
The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Merceuil, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in December
Merceuil, France
- Average wind speed in December: 11.8km/h
The windiest month (with the highest average wind speed) is February (13km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in December
Merceuil, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Merceuil, France
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Merceuil, France
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is August (11.9 days).
Average snowfall in December
Merceuil, France
- Average snowfall in December: 29mm
The months with the highest snowfall are January and December (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Merceuil, France
- Average snowfall days in December: 4 days
The months with the highest number of snowfall days are January and February (4.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merceuil, France
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Merceuil, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is August (16.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Merceuil, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Merceuil, France
- Average cloud cover in December: 55
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Merceuil, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, June, July and August (9km).
The months with the lowest visibility are January, May, September, October, November and December (8km).
