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
In December, the meteorological conditions change slightly, with the average high-temperature moving from a frosty 8.3°C (46.9°F) in November to an icy 4.8°C (40.6°F). During the month of December, the nighttime temperature in Grandfontaine falls to an average of -0.5°C (31.1°F).Humidity
In Grandfontaine, the average relative humidity in December is 86%.Rainfall
In Grandfontaine, during December, the rain falls for 12.9 days and regularly aggregates up to 93mm (3.66") of precipitation. In Grandfontaine, during the entire year, the rain falls for 188.6 days and collects up to 818mm (32.2") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Grandfontaine, it is snowing for 10.1 days. Throughout December, 151mm (5.94") of snow is accumulated. Throughout the year, in Grandfontaine, there are 49 snowfall days, and 745mm (29.33") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:59 and sunset at 16:43. On the last day of December, sunrise is at 08:19 and sunset at 16:51 CET.
Sunshine
December has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Grandfontaine. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold does it get in Grandfontaine in December?
What is the average humidity in December in Grandfontaine?
How much does it rain in Grandfontaine in December?
How many days does it snow in December in Grandfontaine?
What is the month with the shortest days in Grandfontaine?
How many hours of daylight does Grandfontaine have in December?
When are sunrise and sunset in December in Grandfontaine?
What is the month with the least sunshine in Grandfontaine?
How many hours of sunshine does Grandfontaine have in December?
What are the months with the lowest UV index in Grandfontaine?
How high is the UV index in December in Grandfontaine?
Average temperature in December
Grandfontaine, Switzerland
- Average high temperature in December: 4.8°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in December
Grandfontaine, Switzerland
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in December
Grandfontaine, Switzerland
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in December
Grandfontaine, Switzerland
- Average humidity in December: 86%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Grandfontaine, Switzerland
- Average rainfall in December: 93mm
The wettest month (with the highest rainfall) is June (94mm).
The driest month (with the least rainfall) is September (40mm).
Average rainfall days in December
Grandfontaine, Switzerland
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
Grandfontaine, Switzerland
- Average snowfall in December: 151mm
The month with the highest snowfall is February (170mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grandfontaine, Switzerland
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grandfontaine, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Grandfontaine, Switzerland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in December
Grandfontaine, 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, October, November and December (UV index 2).
Average cloud cover in December
Grandfontaine, Switzerland
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grandfontaine, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
Grandfontaine, Switzerland
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