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
The onset of December brings a small shift in high-temperatures, falling from a frosty 8.5°C (47.3°F) in November to an icy 4.2°C (39.6°F). An average low-temperature of -1.6°C (29.1°F) is observed during the December nights.Humidity
In Dättwil, the average relative humidity in December is 87%.Rainfall
In Dättwil, Switzerland, during December, the rain falls for 12 days and regularly aggregates up to 76mm (2.99") of precipitation. In Dättwil, during the entire year, the rain falls for 157.5 days and collects up to 712mm (28.03") of precipitation.Snowfall
Months with snowfall in Dättwil are January through May, October through December. December is the month with the most snowfall. Snow falls for 11.5 days and accumulates 232mm (9.13") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:54 and sunset at 16:38. On the last day of December, in Dättwil, sunrise is at 08:14 and sunset at 16:45 CET.
Sunshine
The average sunshine in December in Dättwil is 4.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. 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 it cold in Dättwil during December?
What is the average humidity in December in Dättwil?
How much does it rain in Dättwil in December?
What is the snowiest month in Dättwil?
How much does it snow in Dättwil in December?
What is the month with the shortest days in Dättwil?
What is the average length of the day in December in Dättwil?
When are sunrise and sunset in December in Dättwil?
How many hours of sunshine does Dättwil have in December?
When is the lowest UV index in Dättwil?
How high is the UV index in December in Dättwil?
Average temperature in December
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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 5min
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
Dättwil, 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
Dättwil, 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
Dättwil, 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
Dättwil, 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).
