December weather forecast
Rümlang, Switzerland

December

Weather in December

The first month of the winter, December, is also an icy month in Rümlang, Switzerland, with an average temperature varying between -1.6°C (29.1°F) and 4.4°C (39.9°F).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a chilly 8.6°C (47.5°F) in November to a cold 4.4°C (39.9°F). Rümlang's temperature drops to an average low of -1.6°C (29.1°F) during the nights of December.

Humidity

In Rümlang, the average relative humidity in December is 87%.

Rainfall

In Rümlang, in December, it is raining for 11.5 days, with typically 51mm (2.01") of accumulated precipitation. In Rümlang, Switzerland, during the entire year, the rain falls for 134.8 days and collects up to 471mm (18.54") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rümlang. December is the month with the most snowfall. Snow falls for 6.6 days and accumulates 85mm (3.35") of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year in Rümlang.
On the first day of the month, sunrise is at 07:53 and sunset at 16:37. On the last day of December, sunrise is at 08:13 and sunset at 16:44 CET.

Sunshine

January, February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Rümlang are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is it in Rümlang in December?
The average high-temperature, in December, in Rümlang, is 4.4°C (39.9°F), while the average low-temperature is -1.6°C (29.1°F).
What is the average humidity in December in Rümlang?
In Rümlang, Switzerland, the average relative humidity in December is 87%.
How many days does it rain in December in Rümlang?
In Rümlang, Switzerland, in December, it is raining for 11.5 days, with typically 51mm (2.01") of accumulated precipitation.
What is the snowiest month in Rümlang?
The month with the most snowfall in Rümlang, Switzerland, is December, when snow falls for 6.6 days and typically aggregates up to 85mm (3.35") of snow.
How many days does it snow in December in Rümlang?
In Rümlang, Switzerland, during December, snow falls for 6.6 days and regularly aggregates up to 85mm (3.35") of snow.
What is the month with the shortest days in Rümlang?
The month with the shortest days in Rümlang is December, with an average of 8h and 30min of daylight.
How many hours of daylight does Rümlang have in December?
In Rümlang, the average day length in December is 8h and 32min.
What time are sunrise and sunset in December in Rümlang?
On the first day of December in Rümlang, Switzerland, sunrise is at 07:53 and sunset at 16:37. On the last day of the month, sunrise is at 08:13 and sunset at 16:44 CET.
What is the month with the least sunshine in Rümlang?
The months with the least sunshine in Rümlang, Switzerland, are January, February and December, with an average of 4.8h of sunshine.
How many hours of sunshine does Rümlang have in December?
The average sunshine duration in December is 4.8h.
What are the months with the lowest UV index in Rümlang?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rümlang, Switzerland.
What is the UV index reading in December in Rümlang?
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Rümlang, Switzerland
  • Average high temperature in December: 4.4°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in December: -1.6°C

The months with the highest average low temperature are July and August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).

Average pressure in December
Rümlang, 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 (1015.7mbar).

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

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in December
Rümlang, Switzerland
  • Average humidity in December: 87%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (75%).

Average rainfall in December
Rümlang, Switzerland
  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in December
Rümlang, Switzerland
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (8 days).

Average snowfall in December
Rümlang, Switzerland
  • Average snowfall in December: 85mm

The month with the highest snowfall is December (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Rümlang, Switzerland
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rümlang, Switzerland
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Rümlang, Switzerland
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (13.6 days).

Average UV index in December
Rümlang, Switzerland
  • 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, November and December (UV index 2).

Average cloud cover in December
Rümlang, Switzerland
  • Average cloud cover in December: 51

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Rümlang, Switzerland
  • Average visibility in December: 8km

The months with the highest visibility are April, July and August (9km).
The month with the lowest visibility is January (7km).

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