December weather forecastRoyon, France

December

Weather in December

December, the first month of the winter in Royon, is also a frosty month, with an average temperature varying between 5.4°C (41.7°F) and 8.3°C (46.9°F).

Temperature

Royon registers an average high-temperature of a frosty 8.3°C (46.9°F) with the arrival of December, showing minor deviation from the preceding month. Royon registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 5.4°C (41.7°F) during December.

Humidity

January, November and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

December is the month with the most rainfall. Rain falls for 17.8 days and accumulates 83mm (3.27") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Royon, France, in December, snow falls for 1.2 days, with typically accumulated 8mm (0.31") of snow. In Royon, during the entire year, snow falls for 7.4 days and aggregates up to 40mm (1.57") of snow.

Daylight

December has the shortest days of the year in Royon, with an average of 8h and 6min of daylight.
On the first day of December in Royon, sunrise is at 08:31 and sunset at 16:51. On the last day of the month, sunrise is at 08:52 and sunset at 16:57 CET.

Sunshine

In Royon, the average sunshine in December is 4.1h.

UV index

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

The high-temperature, in December, in Royon, is 8.3°C (46.9°F), while the low-temperature averages to 5.4°C (41.7°F).

The months with the highest humidity are January, November and December, with an average relative humidity of 84%.

In December, the average relative humidity in Royon is 84%.

The month with the most rainfall in Royon, France, is December, when the rain falls for 17.8 days and typically aggregates up to 83mm (3.27") of precipitation.

In Royon, France, in December, it is raining for 17.8 days, with typically 83mm (3.27") of accumulated precipitation.

In Royon, France, in December, during 1.2 snowfall days, 8mm (0.31") of snow is typically accumulated.

The month with the shortest days in Royon, France, is December, with an average of 8h and 6min of daylight.

In Royon, France, the average day length in December is 8h and 5min.

On the first day of December in Royon, France, sunrise is at 08:31 and sunset at 16:51. On the last day of the month, sunrise is at 08:52 and sunset at 16:57 CET.

In December, the average sunshine duration is 4.1h.

The average daily maximum UV index in December in Royon, France, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Royon, France

  • Average high temperature in December: 8.3°C

The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in December: 5.4°C

The month with the highest average low temperature is August (15.2°C).
The coldest months (with the lowest average low temperature) are January and February (3.7°C).

Average pressure in December
Royon, France

  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

Average wind speed in December
Royon, France

  • Average wind speed in December: 25.6km/h

The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest months (with the lowest average wind speed) are July and August (17.2km/h).

Average humidity in December
Royon, France

  • Average humidity in December: 84%

The months with the highest relative humidity are January, November and December (84%).
The months with the lowest relative humidity are August and September (79%).

Average rainfall in December
Royon, France

  • Average rainfall in December: 83mm

The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in December
Royon, France

  • Average rainfall days in December: 17.8 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is April (13.3 days).

Average snowfall in December
Royon, France

  • Average snowfall in December: 8mm

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
Royon, France

  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.6 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
Royon, France

  • Average daylight in December: 8h and 6min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 4h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).

Average sunshine days in December
Royon, France

  • Average sunshine days in December: 9 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is November (8.5 days).

Average UV index in December
Royon, France

  • Average UV index in December: 3

The months with the highest UV index are 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
Royon, France

  • Average cloud cover in December: 61

The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 40).

Average visibility in December
Royon, France

  • Average visibility in December: 9km

The months with the highest visibility are March, April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, May, November and December (9km).