December weather forecast
Hirsau, Germany

December

Weather in December

December, the first month of the winter in Hirsau, is also an icy month, with an average temperature fluctuating between 5.1°C (41.2°F) and 0.3°C (32.5°F).

Temperature

Hirsau's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's chilly 8.7°C (47.7°F) to a wintry 5.1°C (41.2°F). Hirsau's nocturnal December readings average at 0.3°C (32.5°F), showing little variation from the daytime temperatures.

Humidity

In Hirsau, Germany, the average relative humidity in December is 86%.

Rainfall

In Hirsau, in December, during 14.3 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 160.4 rainfall days, and 415mm (16.34") of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, in Hirsau, it is snowing for 5.9 days. Throughout December, 57mm (2.24") of snow is accumulated. In Hirsau, during the entire year, snow falls for 28.5 days and aggregates up to 224mm (8.82") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 07:57 and sunset at 16:31. On the last day of December, sunrise is at 08:17 and sunset at 16:38 CET.

Sunshine

January and December, with an average of 4.3h of sunshine, are months with the least sunshine.

UV index

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

How cold is it in December?
An average high-temperature, in December, in Hirsau, is 5.1°C (41.2°F) and the average low-temperature is 0.3°C (32.5°F).
What is the average humidity in December?
In December, the average relative humidity is 86%.
How many days does it rain in December?
In Hirsau, during December, the rain falls for 14.3 days and regularly aggregates up to 43mm (1.69") of precipitation.
How much does it snow in December?
In Hirsau, during December, snow falls for 5.9 days and regularly aggregates up to 57mm (2.24") of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 24min of daylight.
What is the average length of the day in December?
In Hirsau, the average day length in December is 8h and 21min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 07:57 and sunset at 16:31. On the last day of the month, sunrise is at 08:17 and sunset at 16:38 CET.
What are the months with the least sunshine?
The months with the least sunshine are January and December, with an average of 4.3h of sunshine.
How many hours of sunshine does Hirsau have in December?
In December, the average sunshine duration is 4.3h.
How high is the UV index in December?
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Hirsau, Germany
  • Average high temperature in December: 5.1°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in December: 0.3°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).

Average pressure in December
Hirsau, Germany
  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).

Average wind speed in December
Hirsau, Germany
  • Average wind speed in December: 11.7km/h

The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.3km/h).

Average humidity in December
Hirsau, Germany
  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in December
Hirsau, Germany
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in December
Hirsau, Germany
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December
Hirsau, Germany
  • Average snowfall in December: 57mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Hirsau, Germany
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (8.8 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
Hirsau, Germany
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

Average sunshine days in December
Hirsau, Germany
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in December
Hirsau, Germany
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in December
Hirsau, Germany
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Hirsau, Germany
  • Average visibility in December: 8km

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

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