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
Weather in December
Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from an icy 4°C (39.2°F) in November to a freezing cold -0.1°C (31.8°F). Valendas registers a consistent average low-temperature of -7.9°C (17.8°F) during December.Humidity
The average relative humidity in December is 85%.Rainfall
In Valendas, 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 in Valendas are January through May, September through December. In December, in Valendas, Switzerland, it is snowing for 12.2 days. Throughout December, 123mm (4.84") of snow is accumulated. In Valendas, during the entire year, snow falls for 75.1 days and aggregates up to 712mm (28.03") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:47 and sunset at 16:36. On the last day of December, sunrise is at 08:07 and sunset at 16:44 CET.
Sunshine
In Valendas, the average sunshine in December is 5.2h.UV index
In Valendas, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Valendas in December?
What is the average humidity in December in Valendas?
How much does it rain in Valendas in December?
How many days does it snow in December in Valendas?
What is the month with the shortest days in Valendas?
What is the average length of the day in December in Valendas?
When are sunrise and sunset in December in Valendas?
How long on average sun shines in December in Valendas?
What is the UV index intensity in December in Valendas?
Average temperature in December
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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
Valendas, 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).
Valendas, Switzerland
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