December weather forecast
Koblenz, Germany

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Weather in December

The first month of the winter, December, is also an icy month in Koblenz, Germany, with an average temperature fluctuating between 0.2°C (32.4°F) and 4.9°C (40.8°F).

Temperature

Koblenz's progression into December involves a minor drop in the average high-temperature, slightly receding from a frosty 8.2°C (46.8°F) in November to a cold 4.9°C (40.8°F). Koblenz's December nights witness minimal differential from the daytime temperatures, with averages of 0.2°C (32.4°F).

Humidity

The months with the highest humidity in Koblenz are January and December, with an average relative humidity of 90%.

Rainfall

In Koblenz, during December, the rain falls for 12.8 days and regularly aggregates up to 21mm (0.83") of precipitation. In Koblenz, during the entire year, the rain falls for 136.4 days and collects up to 244mm (9.61") of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Koblenz, during December, snow falls for 4.5 days and regularly aggregates up to 14mm (0.55") of snow. In Koblenz, during the entire year, snow falls for 19.6 days and aggregates up to 64mm (2.52") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 6min of daylight.
On the first day of December, sunrise is at 08:08 and sunset at 16:29. On the last day of the month, sunrise is at 08:29 and sunset at 16:36 CET.

Sunshine

With an average of 3.4h of sunshine, December has the least sunshine of the year in Koblenz.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is December in Koblenz?

In December, in Koblenz, the average high-temperature is 4.9°C (40.8°F), and the average low-temperature is 0.2°C (32.4°F).

What is the most humid month in Koblenz?

The months with the highest humidity in Koblenz, Germany, are January and December, with an average relative humidity of 90%.

What is the average humidity in December in Koblenz?

The average relative humidity in December in Koblenz is 90%.

How much does it rain in Koblenz in December?

In Koblenz, in December, it is raining for 12.8 days, with typically 21mm (0.83") of accumulated precipitation.

How many days does it snow in December in Koblenz?

In Koblenz, Germany, during December, snow falls for 4.5 days and regularly aggregates up to 14mm (0.55") of snow.

What is the month with the shortest days in Koblenz?

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

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

The average day length in December in Koblenz is 8h and 7min.

When is the sunrise / sunset in December in Koblenz?

On the first day of December, sunrise is at 08:08 and sunset at 16:29. On the last day of the month, sunrise is at 08:29 and sunset at 16:36 CET.

What is the month with the least sunshine in Koblenz?

December has the least sunshine of the year in Koblenz, with an average of 3.4h of sunshine.

How long on average sun shines in December in Koblenz?

In December, the average sunshine duration in Koblenz is 3.4h.

What are the months with the lowest UV index in Koblenz?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Koblenz, Germany.

How high is the UV index in December in Koblenz?

In Koblenz, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Koblenz, Germany

Average temperature in December - Koblenz, Germany
  • Average high temperature in December: 4.9°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in December: 0.2°C

The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

Average pressure in December
Koblenz, Germany

Average pressure in December - Koblenz, Germany
  • Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in December
Koblenz, Germany

Average wind speed in December - Koblenz, Germany
  • Average wind speed in December: 10.9km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).

Average humidity in December
Koblenz, Germany

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

The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in December
Koblenz, Germany

Average rainfall in December - Koblenz, Germany
  • Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in December
Koblenz, Germany

Average rainfall days in December - Koblenz, Germany
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in December
Koblenz, Germany

Average snowfall in December - Koblenz, Germany
  • Average snowfall in December: 14mm

The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Koblenz, Germany

Average snowfall days in December - Koblenz, Germany
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Koblenz, Germany

Average daylight in December / Average sunshine in December - Koblenz, 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: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Koblenz, Germany

Average sunshine days in December - Koblenz, Germany
  • Average sunshine days in December: 12.4 days

The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).

Average UV index in December
Koblenz, Germany

Average UV index in December - Koblenz, Germany
  • 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
Koblenz, Germany

Average cloud cover in December - Koblenz, Germany
  • Average cloud cover in December: 67

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Koblenz, Germany

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

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

Koblenz, Germany

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