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
December brings a minor shift in the average high-temperature, adjusting from a frosty 8.6°C (47.5°F) in November to a wintry 4.1°C (39.4°F). Throughout December, the temperature falls to an average low of -1.4°C (29.5°F).Humidity
The average relative humidity in December in Flawil, Switzerland, is 82%.Rainfall
In Flawil, in December, during 11.7 rainfall days, 97mm (3.82") of precipitation is typically accumulated. Throughout the year, there are 177.8 rainfall days, and 1006mm (39.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Flawil, in December, snow falls for 11.2 days, with typically accumulated 261mm (10.28") of snow. In Flawil, during the entire year, snow falls for 55.7 days and aggregates up to 1345mm (52.95") of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:50 and sunset at 16:34. On the last day of the month, sunrise is at 08:10 and sunset at 16:42 CET.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Flawil.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Flawil?
What is the average humidity in December in Flawil?
How much does it rain in Flawil in December?
How much does it snow in Flawil in December?
What is the month with the shortest days in Flawil?
How many hours of daylight does Flawil have in December?
When is the sunrise / sunset in December in Flawil?
What is the month with the least sunshine in Flawil?
How many hours of sunshine does Flawil have in December?
What are the months with the lowest UV index in Flawil?
How high is the UV index in December in Flawil?
Average temperature in December
Flawil, Switzerland
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: -1.4°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Flawil, 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
Flawil, Switzerland
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in December
Flawil, Switzerland
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Flawil, Switzerland
- Average rainfall in December: 97mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in December
Flawil, Switzerland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in December
Flawil, Switzerland
- Average snowfall in December: 261mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Flawil, Switzerland
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Flawil, 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: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Flawil, Switzerland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
Flawil, 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
Flawil, Switzerland
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Flawil, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
Flawil, Switzerland
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