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 average high-temperature slightly decreases in December, shifting from a frosty 8.7°C (47.7°F) in November to an icy 4.2°C (39.6°F). In Greifensee, December nights cool down to an average of -1.8°C (28.8°F).Humidity
The average relative humidity in December in Greifensee is 87%.Rainfall
December is the month with the most rainfall. Rain falls for 13.9 days and accumulates 82mm (3.23") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greifensee, in December, snow falls for 8.1 days, with typically accumulated 168mm (6.61") of snow. In Greifensee, during the entire year, snow falls for 42.6 days and aggregates up to 729mm (28.7") 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 07:52 and sunset at 16:36. On the last day of the month, sunrise is at 08:12 and sunset at 16:44 CET.
Sunshine
In Greifensee, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Greifensee during December?
What is the average humidity in December in Greifensee?
What is the rainiest month in Greifensee?
How many days does it rain in December in Greifensee?
How much does it snow in Greifensee in December?
What is the month with the shortest days in Greifensee?
What is the average length of the day in December in Greifensee?
When are sunrise and sunset in December in Greifensee?
How long on average sun shines in December in Greifensee?
What are the months with the lowest UV index in Greifensee?
What is the UV index intensity in December in Greifensee?
Average temperature in December
Greifensee, Switzerland
- Average high temperature in December: 4.2°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -1.8°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Greifensee, 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
Greifensee, Switzerland
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Greifensee, 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
Greifensee, Switzerland
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Greifensee, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are September and November (9.9 days).
Average snowfall in December
Greifensee, Switzerland
- Average snowfall in December: 168mm
The month with the highest snowfall is January (182mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Greifensee, Switzerland
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greifensee, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Greifensee, Switzerland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in December
Greifensee, Switzerland
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Greifensee, Switzerland
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Greifensee, 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).
