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
The onset of December is marked by a minor decrease in temperature, transitioning from an icy 2.5°C (36.5°F) in November to a subzero cold -1.2°C (29.8°F). Grône's temperature tends to fall to an average low of -9.5°C (14.9°F) during the nights of December.Humidity
The average relative humidity in December in Grône is 84%.Rainfall
In Grône, during December, the rain falls for 13.9 days and regularly aggregates up to 118mm (4.65") of precipitation. In Grône, during the entire year, the rain falls for 233.7 days and collects up to 1378mm (54.25") of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Grône, during December, snow falls for 7.2 days and regularly aggregates up to 156mm (6.14") of snow. In Grône, during the entire year, snow falls for 40.9 days and aggregates up to 716mm (28.19") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:52 and sunset at 16:45. On the last day of December, in Grône, Switzerland, sunrise is at 08:12 and sunset at 16:53 CET.
Sunshine
In Grône, the average sunshine in December is 4.9h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grône?
What is the average humidity in December in Grône?
How much does it rain in Grône in December?
How many days does it snow in December in Grône?
What is the month with the shortest days in Grône?
What is the average length of the day in December in Grône?
When are sunrise and sunset in December in Grône?
How long on average sun shines in December in Grône?
What is the UV index reading in December in Grône?
Average temperature in December
Grône, Switzerland
- Average high temperature in December: -1.2°C
The warmest month (with the highest average high temperature) is August (16.7°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is August (6.4°C).
The coldest months (with the lowest average low temperature) are January and February (-11°C).
Average pressure in December
Grône, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Grône, Switzerland
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Grône, Switzerland
- Average humidity in December: 84%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Grône, Switzerland
- Average rainfall in December: 118mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in December
Grône, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (25.8 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in December
Grône, Switzerland
- Average snowfall in December: 156mm
The month with the highest snowfall is February (167mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Grône, Switzerland
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Grône, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Grône, Switzerland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (2.8 days).
Average UV index in December
Grône, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Grône, Switzerland
- Average cloud cover in December: 47
The months with the most cloud cover are February and March (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).
Average visibility in December
Grône, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January, February and March (6km).
Grône, Switzerland
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