December weather forecast
Viernau, Germany

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Weather in December

The first month of the winter, December, is also an icy month in Viernau, Germany, with an average temperature varying between 2.6°C (36.7°F) and -1.4°C (29.5°F).

Temperature

December ushers in a minor alteration in Viernau's climate, with the average high-temperature moving from November's frosty 6.6°C (43.9°F) to a cold 2.6°C (36.7°F). Throughout December, a modest shift from daytime highs is anticipated in Viernau, Germany, with an average low-temperature of -1.4°C (29.5°F).

Humidity

The average relative humidity in December is 90%.

Rainfall

In December, in Viernau, the rain falls for 11 days. Throughout December, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 157 rainfall days, and 476mm (18.74") of precipitation is accumulated.

Snowfall

Months with snowfall in Viernau are January through May, October through December. In Viernau, in December, during 12 snowfall days, 121mm (4.76") of snow is typically accumulated. In Viernau, during the entire year, snow falls for 57.3 days and aggregates up to 586mm (23.07") of snow.

Daylight

With an average of 8h and 6min of daylight, December has the shortest days of the year in Viernau.
On the first day of the month, sunrise is at 07:57 and sunset at 16:16. On the last day of December, in Viernau, sunrise is at 08:19 and sunset at 16:22 CET.

Sunshine

The month with the least sunshine in Viernau, Germany, is December, with an average of 2.8h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is it in Viernau in December?

In December, in Viernau, the average high-temperature is 2.6°C (36.7°F), and the average low-temperature is -1.4°C (29.5°F).

What is the average humidity in December in Viernau?

In December, the average relative humidity in Viernau is 90%.

How much does it rain in Viernau in December?

In Viernau, in December, it is raining for 11 days, with typically 47mm (1.85") of accumulated precipitation.

How many days does it snow in December in Viernau?

In Viernau, during December, snow falls for 12 days and regularly aggregates up to 121mm (4.76") of snow.

What is the month with the shortest days in Viernau?

With an average of 8h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Viernau have in December?

In December, the average day length in Viernau is 8h and 4min.

What time are sunrise and sunset in December in Viernau?

On the first day of December in Viernau, sunrise is at 07:57 and sunset at 16:16. On the last day of the month, sunrise is at 08:19 and sunset at 16:22 CET.

What is the month with the least sunshine in Viernau?

The month with the least sunshine is December, with an average of 2.8h of sunshine.

How long on average sun shines in December in Viernau?

The average sunshine duration in December is 2.8h.

What is the month with the lowest UV index in Viernau?

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Viernau?

The average daily maximum UV index in December in Viernau is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Viernau, Germany

Average temperature in December - Viernau, Germany
  • Average high temperature in December: 2.6°C

The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (1°C).

  • Average low temperature in December: -1.4°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

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Average pressure in December
Viernau, Germany

Average pressure in December - Viernau, Germany
  • Average pressure in December: 1017.8mbar

The months with the highest atmospheric pressure are September and October (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).

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Average wind speed in December
Viernau, Germany

Average wind speed in December - Viernau, Germany
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

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Average humidity in December
Viernau, Germany

Average humidity in December - Viernau, Germany
  • Average humidity in December: 90%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (74%).

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Average rainfall in December
Viernau, Germany

Average rainfall in December - Viernau, Germany
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (26mm).

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Average rainfall days in December
Viernau, Germany

Average rainfall days in December - Viernau, Germany
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in December
Viernau, Germany

Average snowfall in December - Viernau, Germany
  • Average snowfall in December: 121mm

The month with the highest snowfall is January (151mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Viernau, Germany

Average snowfall days in December - Viernau, Germany
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (15.6 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
Viernau, Germany

Average daylight in December / Average sunshine in December - Viernau, Germany
  • Average daylight in December: 8h and 1min

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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in December
Viernau, Germany

Average sunshine days in December - Viernau, Germany
  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (9.7 days).

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Average UV index in December
Viernau, Germany

Average UV index in December - Viernau, Germany
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in December
Viernau, Germany

Average cloud cover in December - Viernau, Germany
  • Average cloud cover in December: 73

The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
Viernau, Germany

Average visibility in December - Viernau, Germany
  • Average visibility in December: 7km

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, October and December (7km).

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Viernau, Germany

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