December weather forecastVoiron, France

December weather for Voiron, France: The month with the most rainfall in Voiron, France, is December, when the rain falls for 8.2 days and typically aggregates up to 50mm (1.97") of precipitation. The month with the most snowfall in Voiron is December, when snow falls for 10.3 days and typically aggregates up to 197mm (7.76") of snow.

December

Weather in December

December, the first month of the winter in Voiron, is still a cold month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of -1.8°C (28.8°F).

Temperature

With the arrival of December, Voiron notices a mild change in the average high-temperature, sliding from November's frosty 8.1°C (46.6°F) to a cold 4.5°C (40.1°F). In the month of December, the nighttime temperature dips to a steady average of -1.8°C (28.8°F).

Humidity

In Voiron, France, the average relative humidity in December is 83%.

Rainfall

December is the month with the most rainfall. Rain falls for 8.2 days and accumulates 50mm (1.97") of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Voiron is December, when snow falls for 10.3 days and typically aggregates up to 197mm (7.76") of snow.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Voiron.
On the first day of the month, sunrise is at 07:57 and sunset at 16:56. On the last day of December, sunrise is at 08:17 and sunset at 17:04 CET.

Sunshine

The months with the least sunshine in Voiron are January and December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

The high-temperature during December is 4.5°C (40.1°F) and the low-temperature is -1.8°C (28.8°F).

The average relative humidity in December in Voiron, France, is 83%.

The month with the most rainfall in Voiron, France, is December, when the rain falls for 8.2 days and typically aggregates up to 50mm (1.97") of precipitation.

In December, in Voiron, the rain falls for 8.2 days. Throughout December, 50mm (1.97") of precipitation is accumulated.

December is the month with the most snowfall in Voiron. Snow falls for 10.3 days and accumulates 197mm (7.76") of snow.

In Voiron, in December, snow falls for 10.3 days, with typically accumulated 197mm (7.76") of snow.

The month with the shortest days in Voiron, France, is December, with an average of 8h and 48min of daylight.

The average day length in December in Voiron is 8h and 48min.

On the first day of December in Voiron, sunrise is at 07:57 and sunset at 16:56. On the last day of the month, sunrise is at 08:17 and sunset at 17:04 CET.

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

The average sunshine duration in December in Voiron, France, is 5.5h.

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

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 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
Voiron, France

  • Average high temperature in December: 4.5°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in December: -1.8°C

The months with the highest average low temperature are July and August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).

Average pressure in December
Voiron, France

  • Average pressure in December: 1020.8mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in December
Voiron, France

  • Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is February (8km/h).
The calmest month (with the lowest average wind speed) is September (6.2km/h).

Average humidity in December
Voiron, France

  • Average humidity in December: 83%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Voiron, France

  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is December (50mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in December
Voiron, France

  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
Voiron, France

  • Average snowfall in December: 197mm

The month with the highest snowfall is December (197mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Voiron, France

  • Average snowfall days in December: 10.3 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Voiron, France

  • Average daylight in December: 8h and 48min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 5h and 30min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Voiron, France

  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December
Voiron, France

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Voiron, France

  • Average cloud cover in December: 40

The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Voiron, France

  • Average visibility in December: 8km

The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).