December weather forecast
Vétroz, Switzerland

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Weather in December

December, the first month of the winter in Vétroz, is still a freezing cold month, with an average temperature fluctuating between -1.3°C (29.7°F) and -9.5°C (14.9°F).

Temperature

Vétroz's December weather shows a modest shift in high-temperatures, falling from November's cold 2.3°C (36.1°F) to a freezing cold -1.3°C (29.7°F). Throughout December, Vétroz records an average temperature of -9.5°C (14.9°F) at night.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Vétroz, Switzerland, in December, it is raining for 13.3 days, with typically 109mm (4.29") of accumulated precipitation. Throughout the year, in Vétroz, there are 226.6 rainfall days, and 1272mm (50.08") of precipitation is accumulated.

Snowfall

Months with snowfall in Vétroz are January through May, October through December. In Vétroz, during December, snow falls for 6.4 days and regularly aggregates up to 128mm (5.04") of snow. Throughout the year, there are 40.8 snowfall days, and 701mm (27.6") of snow is accumulated.

Daylight

The month with the shortest days in Vétroz, Switzerland, is December, with an average of 8h and 42min of daylight.
On the first day of December in Vétroz, sunrise is at 07:53 and sunset at 16:46. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.

Sunshine

The average sunshine in December in Vétroz is 5h.

UV index

In Vétroz, Switzerland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Vétroz?

Vétroz in December has an average high-temperature of -1.3°C (29.7°F) and an average low-temperature of -9.5°C (14.9°F).

What is the average humidity in December in Vétroz?

In Vétroz, the average relative humidity in December is 85%.

How much does it rain in Vétroz in December?

In Vétroz, Switzerland, during December, the rain falls for 13.3 days and regularly aggregates up to 109mm (4.29") of precipitation.

How much does it snow in Vétroz in December?

In Vétroz, Switzerland, during December, snow falls for 6.4 days and regularly aggregates up to 128mm (5.04") of snow.

What is the month with the shortest days in Vétroz?

December has the shortest days of the year in Vétroz, Switzerland, with an average of 8h and 42min of daylight.

What is the average length of the day in December in Vétroz?

In Vétroz, Switzerland, the average day length in December is 8h and 41min.

What time are sunrise and sunset in December in Vétroz?

On the first day of December in Vétroz, sunrise is at 07:53 and sunset at 16:46. On the last day of the month, sunrise is at 08:13 and sunset at 16:54 CET.

How long on average sun shines in December in Vétroz?

In Vétroz, Switzerland, the average sunshine duration in December is 5h.

What is the UV index intensity in December in Vétroz?

In Vétroz, Switzerland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Vétroz, Switzerland

Average temperature in December - Vétroz, Switzerland
  • Average high temperature in December: -1.3°C

The warmest month (with the highest average high temperature) is August (16.7°C).
The month with the lowest average high temperature is January (-2.6°C).

  • Average low temperature in December: -9.5°C

The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).

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Average pressure in December
Vétroz, Switzerland

Average pressure in December - Vétroz, Switzerland
  • Average pressure in December: 1020.9mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in December
Vétroz, Switzerland

Average wind speed in December - Vétroz, Switzerland
  • Average wind speed in December: 8.3km/h

The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

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Average humidity in December
Vétroz, Switzerland

Average humidity in December - Vétroz, Switzerland
  • Average humidity in December: 85%

The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (79%).

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Average rainfall in December
Vétroz, Switzerland

Average rainfall in December - Vétroz, Switzerland
  • Average rainfall in December: 109mm

The wettest month (with the highest rainfall) is May (158mm).
The driest month (with the least rainfall) is October (63mm).

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Average rainfall days in December
Vétroz, Switzerland

Average rainfall days in December - Vétroz, Switzerland
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is May (24.9 days).
The month with the least rainy days is December (13.3 days).

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Average snowfall in December
Vétroz, Switzerland

Average snowfall in December - Vétroz, Switzerland
  • Average snowfall in December: 128mm

The month with the highest snowfall is January (175mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Vétroz, Switzerland

Average snowfall days in December - Vétroz, Switzerland
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Vétroz, Switzerland

Average daylight in December / Average sunshine in December - Vétroz, Switzerland
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in December
Vétroz, Switzerland

Average sunshine days in December - Vétroz, Switzerland
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (4.2 days).

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Average UV index in December
Vétroz, Switzerland

Average UV index in December - Vétroz, Switzerland
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).

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Average cloud cover in December
Vétroz, Switzerland

Average cloud cover in December - Vétroz, Switzerland
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 36).

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Average visibility in December
Vétroz, Switzerland

Average visibility in December - Vétroz, Switzerland
  • Average visibility in December: 8km

The months with the highest visibility are June, July, August, October, November and December (8km).
The month with the lowest visibility is March (6km).

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Vétroz, Switzerland

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