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
December reports an average high-temperature of a still freezing cold -3°C (26.6°F), slightly varied from November's -0.1°C (31.8°F). Throughout the month of December, the average temperature dips to a frigid cold -12.9°C (8.8°F) at night.Humidity
In Grengiols, the average relative humidity in December is 88%.Rainfall
In Grengiols, in December, it is raining for 2.5 days, with typically 39mm (1.54") of accumulated precipitation. In Grengiols, during the entire year, the rain falls for 148 days and collects up to 606mm (23.86") of precipitation.Snowfall
January through December are months with snowfall. In Grengiols, in December, snow falls for 14 days, with typically accumulated 202mm (7.95") of snow. In Grengiols, during the entire year, snow falls for 124.7 days and aggregates up to 1943mm (76.5") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:50 and sunset at 16:42. On the last day of December, in Grengiols, sunrise is at 08:10 and sunset at 16:50 CET.
Sunshine
The average sunshine in December is 4h.UV index
January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Grengiols. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. 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
How cold is December in Grengiols?
What is the average humidity in December in Grengiols?
How many days does it rain in December in Grengiols?
How much does it snow in Grengiols in December?
What is the month with the shortest days in Grengiols?
What is the average length of the day in December in Grengiols?
What time are sunrise and sunset in December in Grengiols?
How long on average sun shines in December in Grengiols?
What are the months with the lowest UV index in Grengiols?
How high is the UV index in December in Grengiols?
Average temperature in December
Grengiols, Switzerland
- Average high temperature in December: -3°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is January (-4.2°C).
- Average low temperature in December: -12.9°C
The months with the highest average low temperature are July and August (4.3°C).
The coldest month (with the lowest average low temperature) is February (-13.8°C).
Average pressure in December
Grengiols, 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
Grengiols, Switzerland
- Average wind speed in December: 9.5km/h
The windiest month (with the highest average wind speed) is December (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in December
Grengiols, Switzerland
- Average humidity in December: 88%
The months with the highest relative humidity are March and April (93%).
The months with the lowest relative humidity are July and August (84%).
Average rainfall in December
Grengiols, Switzerland
- Average rainfall in December: 39mm
The wettest months (with the highest rainfall) are June and August (74mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in December
Grengiols, Switzerland
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is December (2.5 days).
Average snowfall in December
Grengiols, Switzerland
- Average snowfall in December: 202mm
The month with the highest snowfall is November (472mm).
The month with the least snowfall is July (2mm).
Average snowfall days in December
Grengiols, Switzerland
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is March (19.5 days).
The month with the least snowfall days is July (0.2 days).
Average daylight in December /
Average sunshine in December
Grengiols, 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 0min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Grengiols, Switzerland
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in December
Grengiols, Switzerland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in December
Grengiols, Switzerland
- Average cloud cover in December: 57
The month with the most cloud cover is May (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 52).
Average visibility in December
Grengiols, Switzerland
- Average visibility in December: 7km
The month with the highest visibility is July (8km).
The months with the lowest visibility are January, February, March, April, May and November (6km).
