December weather forecast
Pianezzo, Switzerland

December

Weather in December

December, the first month of the winter in Pianezzo, is also a wintry month, with an average temperature ranging between max 2.7°C (36.9°F) and min -4°C (24.8°F).

Temperature

December's arrival signals a moderate reduction in the average high-temperature, easing from a chilly 6°C (42.8°F) in November to a wintry 2.7°C (36.9°F). Pianezzo, during December, witnesses an average low-temperature of -4°C (24.8°F).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Pianezzo, Switzerland, in December, during 6.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Pianezzo, during the entire year, the rain falls for 137.8 days and collects up to 669mm (26.34") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Pianezzo, in December, snow falls for 0.6 days, with typically accumulated 3mm (0.12") of snow. In Pianezzo, during the entire year, snow falls for 4.8 days and aggregates up to 33mm (1.3") of snow.

Daylight

With an average of 8h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:46 and sunset at 16:39. On the last day of December, in Pianezzo, sunrise is at 08:06 and sunset at 16:47 CET.

Sunshine

In December, the average sunshine in Pianezzo is 6.4h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is it in Pianezzo in December?
The high-temperature in Pianezzo, Switzerland, during December is 2.7°C (36.9°F) and the low-temperature is -4°C (24.8°F).
What is the average humidity in December in Pianezzo?
In December, the average relative humidity in Pianezzo, Switzerland, is 78%.
How much does it rain in Pianezzo in December?
In Pianezzo, Switzerland, in December, it is raining for 6.4 days, with typically 38mm (1.5") of accumulated precipitation.
How many days does it snow in December in Pianezzo?
In Pianezzo, Switzerland, in December, during 0.6 snowfall days, 3mm (0.12") of snow is typically accumulated.
What is the month with the shortest days in Pianezzo?
With an average of 8h and 42min of daylight, December has the shortest days of the year in Pianezzo.
What is the average length of the day in December in Pianezzo?
In December, the average day length in Pianezzo, Switzerland, is 8h and 42min.
When are sunrise and sunset in December in Pianezzo?
On the first day of December in Pianezzo, Switzerland, sunrise is at 07:46 and sunset at 16:39. On the last day of the month, sunrise is at 08:06 and sunset at 16:47 CET.
How many hours of sunshine does Pianezzo have in December?
The average sunshine duration in December in Pianezzo is 6.4h.
What is the month with the lowest UV index in Pianezzo?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Pianezzo, Switzerland.
What is the UV index reading in December in Pianezzo?
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Pianezzo, Switzerland
  • Average high temperature in December: 2.7°C

The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in December: -4°C

The months with the highest average low temperature are July and August (11.1°C).
The coldest month (with the lowest average low temperature) is February (-5.1°C).

Average pressure in December
Pianezzo, Switzerland
  • Average pressure in December: 1020.6mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in December
Pianezzo, Switzerland
  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).

Average humidity in December
Pianezzo, Switzerland
  • Average humidity in December: 78%

The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (75%).

Average rainfall in December
Pianezzo, Switzerland
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in December
Pianezzo, Switzerland
  • Average rainfall days in December: 6.4 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Pianezzo, Switzerland
  • Average snowfall in December: 3mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Pianezzo, Switzerland
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days in December
Pianezzo, Switzerland
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Pianezzo, 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, March, October, November and December (UV index 2).

Average cloud cover in December
Pianezzo, Switzerland
  • Average cloud cover in December: 30

The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Pianezzo, Switzerland
  • Average visibility in December: 9km

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

englishespañol中文
Share