Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Pianezzo in December?
What is the average humidity in December in Pianezzo?
How much does it rain in Pianezzo in December?
How many days does it snow in December in Pianezzo?
What is the month with the shortest days in Pianezzo?
What is the average length of the day in December in Pianezzo?
When are sunrise and sunset in December in Pianezzo?
How many hours of sunshine does Pianezzo have in December?
What is the month with the lowest UV index in Pianezzo?
What is the UV index reading in December in Pianezzo?
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).
