December weather forecastJonen, Switzerland
December
Weather in December
December, the first month of the winter in Jonen, is also an icy month, with an average temperature fluctuating between -1.6°C (29.1°F) and 4.2°C (39.6°F).Temperature
The start of December involves a subtle temperature drop, shifting from a chilly 8.5°C (47.3°F) in November to an icy 4.2°C (39.6°F). Jonen encounters a steady low-temperature average of -1.6°C (29.1°F) throughout the month of December.Humidity
The average relative humidity in December in Jonen is 87%.Rainfall
In Jonen, in December, during 12 rainfall days, 76mm (2.99") of precipitation is typically accumulated. Throughout the year, there are 157.5 rainfall days, and 712mm (28.03") of precipitation is accumulated.Snowfall
Months with snowfall in Jonen are January through May, October through December. The month with the most snowfall is December, when snow falls for 11.5 days and typically aggregates up to 232mm (9.13") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 07:52 and sunset at 16:38. On the last day of the month, sunrise is at 08:13 and sunset at 16:46 CET.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Jonen are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jonen, Switzerland
- Average high temperature in December: 4.2°C
The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -1.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in December
Jonen, 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
Jonen, 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
Jonen, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Jonen, Switzerland
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).
Average rainfall days in December
Jonen, Switzerland
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Jonen, Switzerland
- Average snowfall in December: 232mm
The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jonen, Switzerland
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jonen, Switzerland
- Average daylight in December: 8h and 36min
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 36min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Jonen, Switzerland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Jonen, 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
Jonen, 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
Jonen, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
