December weather forecast
Reichenau, Switzerland

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Weather in December

The first month of the winter, December, is still a freezing cold month in Reichenau, Switzerland, with an average temperature fluctuating between -0.1°C (31.8°F) and -7.9°C (17.8°F).

Temperature

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a wintry 4°C (39.2°F) in November to a freezing cold -0.1°C (31.8°F). Reichenau in December anticipates an average nighttime temperature of -7.9°C (17.8°F).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Reichenau, in December, during 7.6 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 142.4 rainfall days, and 455mm (17.91") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In December, it is snowing for 12.2 days. Throughout December, 123mm (4.84") of snow is accumulated. Throughout the year, there are 75.1 snowfall days, and 712mm (28.03") of snow is accumulated.

Daylight

December has the shortest days of the year in Reichenau, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 07:47 and sunset at 16:35. On the last day of the month, sunrise is at 08:07 and sunset at 16:43 CET.

Sunshine

In Reichenau, the average sunshine in December is 5.2h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Reichenau, is -0.1°C (31.8°F), while the low-temperature averages to -7.9°C (17.8°F).

What is the average humidity in December?

The average relative humidity in December is 85%.

How much does it rain in Reichenau in December?

In Reichenau, Switzerland, during December, the rain falls for 7.6 days and regularly aggregates up to 34mm (1.34") of precipitation.

How many days does it snow in December?

In Reichenau, in December, during 12.2 snowfall days, 123mm (4.84") of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Reichenau have in December?

The average day length in December is 8h and 37min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 07:47 and sunset at 16:35. On the last day of the month, sunrise is at 08:07 and sunset at 16:43 CET.

How many hours of sunshine does Reichenau have in December?

The average sunshine duration in December is 5.2h.

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 the Sun's UV radiation.
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
Reichenau, Switzerland

Average temperature in December - Reichenau, Switzerland
  • Average high temperature in December: -0.1°C

The warmest months (with the highest average high temperature) are July and August (18.5°C).
The month with the lowest average high temperature is January (-1.7°C).

  • Average low temperature in December: -7.9°C

The month with the highest average low temperature is August (7°C).
The coldest month (with the lowest average low temperature) is February (-10.1°C).

Average pressure in December
Reichenau, Switzerland

Average pressure in December - Reichenau, Switzerland
  • 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 (1015.4mbar).

Average wind speed in December
Reichenau, Switzerland

Average wind speed in December - Reichenau, Switzerland
  • Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is November (8km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in December
Reichenau, Switzerland

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

The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (80%).

Average rainfall in December
Reichenau, Switzerland

Average rainfall in December - Reichenau, Switzerland
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is February (22mm).

Average rainfall days in December
Reichenau, Switzerland

Average rainfall days in December - Reichenau, Switzerland
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Reichenau, Switzerland

Average snowfall in December - Reichenau, Switzerland
  • Average snowfall in December: 123mm

The month with the highest snowfall is January (144mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in December
Reichenau, Switzerland

Average snowfall days in December - Reichenau, Switzerland
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

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

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Reichenau, Switzerland

Average sunshine days in December - Reichenau, Switzerland
  • Average sunshine days in December: 16 days

The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in December
Reichenau, Switzerland

Average UV index in December - Reichenau, 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).

Average cloud cover in December
Reichenau, Switzerland

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

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Reichenau, Switzerland

Average visibility in December - Reichenau, Switzerland
  • Average visibility in December: 7km

The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).

Reichenau, Switzerland

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