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 subtly correlates with a reduction in the average high-temperature, down from a chilly 7.5°C (45.5°F) in November to a cold 3.2°C (37.8°F). In Jonschwil, in December, the average low-temperature is a subzero cold -2.7°C (27.1°F).Humidity
The average relative humidity in December in Jonschwil is 87%.Rainfall
In Jonschwil, Switzerland, in December, it is raining for 9.8 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 623mm (24.53") of precipitation is accumulated.Snowfall
Months with snowfall in Jonschwil are January through May, October through December. In Jonschwil, in December, during 10.2 snowfall days, 160mm (6.3") of snow is typically accumulated. Throughout the year, in Jonschwil, there are 50.4 snowfall days, and 753mm (29.65") of snow is accumulated.Daylight
The month with the shortest days in Jonschwil is December, with an average of 8h and 30min of daylight.On the first day of December in Jonschwil, sunrise is at 07:50 and sunset at 16:35. On the last day of the month, sunrise is at 08:10 and sunset at 16:42 CET.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Jonschwil, Switzerland, are November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Jonschwil?
What is the average humidity in December in Jonschwil?
How much does it rain in Jonschwil in December?
How many days does it snow in December in Jonschwil?
What is the month with the shortest days in Jonschwil?
What is the average length of the day in December in Jonschwil?
When is the sunrise / sunset in December in Jonschwil?
How long on average sun shines in December in Jonschwil?
What are the months with the lowest UV index in Jonschwil?
What is the UV index intensity in December in Jonschwil?
Average temperature in December
Jonschwil, Switzerland
- Average high temperature in December: 3.2°C
The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in December: -2.7°C
The month with the highest average low temperature is August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).
Average pressure in December
Jonschwil, 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 (1015.6mbar).
Average wind speed in December
Jonschwil, Switzerland
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Jonschwil, Switzerland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Jonschwil, Switzerland
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).
Average rainfall days in December
Jonschwil, Switzerland
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Jonschwil, Switzerland
- Average snowfall in December: 160mm
The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jonschwil, Switzerland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jonschwil, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Jonschwil, Switzerland
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Jonschwil, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Jonschwil, Switzerland
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Jonschwil, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).
