December weather forecastGrub, Switzerland
December
Weather in December
The first month of the winter, December, is also a wintry month in Grub, Switzerland, with an average temperature fluctuating between 3.7°C (38.7°F) and -1.8°C (28.8°F).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a chilly 8.5°C (47.3°F) in November to a cold 3.7°C (38.7°F). An average low-temperature of -1.8°C (28.8°F) is noted during the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 89mm (3.5") of precipitation is accumulated. Throughout the year, there are 161.3 rainfall days, and 939mm (36.97") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Grub, during December, snow falls for 9.9 days and regularly aggregates up to 252mm (9.92") of snow. In Grub, during the entire year, snow falls for 48.4 days and aggregates up to 1201mm (47.28") of snow.Daylight
December has the shortest days of the year in Grub, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 07:49 and sunset at 16:33. On the last day of the month, sunrise is at 08:09 and sunset at 16:40 CET.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Grub are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of 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
Average temperature in December
Grub, Switzerland
- Average high temperature in December: 3.7°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in December
Grub, Switzerland
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Grub, Switzerland
- Average wind speed in December: 8.6km/h
The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.8km/h).
Average humidity in December
Grub, Switzerland
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Grub, Switzerland
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is August (113mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in December
Grub, Switzerland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Grub, Switzerland
- Average snowfall in December: 252mm
The month with the highest snowfall is January (337mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Grub, Switzerland
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Grub, Switzerland
- Average daylight in December: 8h and 30min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Grub, Switzerland
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Grub, 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, March, November and December (UV index 2).
Average cloud cover in December
Grub, Switzerland
- Average cloud cover in December: 48
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Grub, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, September, October, November and December (8km).
