December weather forecast
Semerville, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Semerville, France, with an average temperature varying between 45.3°F and 37.6°F.

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a fresh 51.4°F in November to a chilly 45.3°F. Throughout December, Semerville records a steady low-temperature average of 37.6°F, a minor decrease from its daytime counterpart.

Humidity

December is the most humid month, with an average relative humidity of 87%.

Rainfall

In Semerville, in December, during 15.4 rainfall days, 1.89" of precipitation is typically accumulated. Throughout the year, there are 168.5 rainfall days, and 18.27" of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 1.6 days. Throughout December, 0.55" of snow is accumulated. Throughout the year, there are 6.7 snowfall days, and 1.77" of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 08:23 and sunset at 17:03. On the last day of December, sunrise is at 08:43 and sunset at 17:11 CET.

Sunshine

In December, the average sunshine is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the usual temperature for Semerville in December?
The high-temperature during December is 45.3°F and the low-temperature is 37.6°F.
What is the most humid month?
December is the most humid month in Semerville, with an average relative humidity of 87%.
What is the average humidity in December?
The average relative humidity in December is 87%.
How many days does it rain in December?
In December, in Semerville, the rain falls for 15.4 days. Throughout December, 1.89" of precipitation is accumulated.
How many days does it snow in December?
In Semerville, in December, snow falls for 1.6 days, with typically accumulated 0.55" of snow.
What is the month with the shortest days?
With an average of 8h and 30min of daylight, December has the shortest days of the year.
How many hours of daylight does Semerville have in December?
In Semerville, the average day length in December is 8h and 28min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 08:23 and sunset at 17:03. On the last day of the month, sunrise is at 08:43 and sunset at 17:11 CET.
How long on average sun shines in December?
The average sunshine duration in December is 4.2h.
When is the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
How high is the UV index in December?
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
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 - Semerville, France
Average temperature in December
Semerville, France
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in December - Semerville, France
Average pressure in December
Semerville, France
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is December (30.1"Hg).
The month with the lowest atmospheric pressure is November (29.94"Hg).

Average wind speed in December - Semerville, France
Average wind speed in December
Semerville, France
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December - Semerville, France
Average humidity in December
Semerville, France
  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December - Semerville, France
Average rainfall in December
Semerville, France
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is September (0.83").

Average rainfall days in December - Semerville, France
Average rainfall days in December
Semerville, France
  • Average rainfall days in December: 15.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).

Average snowfall in December - Semerville, France
Average snowfall in December
Semerville, France
  • Average snowfall in December: 0.55"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Semerville, France
Average snowfall days in December
Semerville, France
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (2.4 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 - Semerville, France
Average daylight in December /
Average sunshine in December
Semerville, France
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December - Semerville, France
Average sunshine days in December
Semerville, France
  • Average sunshine days in December: 11.3 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).

Average UV index in December - Semerville, France
Average UV index in December
Semerville, 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 - Semerville, France
Average cloud cover in December
Semerville, France
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).

Average visibility in December - Semerville, France
Average visibility in December
Semerville, France
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January and November (5mi).

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