December weather forecastGrimentz, Switzerland
December weather for Grimentz, Switzerland: In Grimentz, Switzerland, during December, snow falls for 18.4 days and regularly aggregates up to 887mm (34.92") of snow. The first month of the winter, December, is also a subzero cold month in Grimentz, Switzerland, with an average temperature ranging between max -1.4°C (29.5°F) and min -9.4°C (15.1°F).
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Grimentz, Switzerland, with an average temperature ranging between max -1.4°C (29.5°F) and min -9.4°C (15.1°F).Temperature
December signals a slight drop in average high-temperature, sliding from November's cold 2.4°C (36.3°F) to a freezing cold -1.4°C (29.5°F). Grimentz observes an average low-temperature of -9.4°C (15.1°F) during December nights.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, the rain falls for 5.9 days. Throughout December, 110mm (4.33") of precipitation is accumulated. Throughout the year, in Grimentz, Switzerland, there are 159.9 rainfall days, and 1035mm (40.75") of precipitation is accumulated.Snowfall
Months with snowfall are January through December. December is the month with the most snowfall. Snow falls for 18.4 days and accumulates 887mm (34.92") 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 December, sunrise is at 07:52 and sunset at 16:45. On the last day of the month, sunrise is at 08:12 and sunset at 16:53 CET.
Sunshine
The average sunshine in December is 4.8h.UV index
The average daily maximum UV index in December in Grimentz is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grimentz, Switzerland
- Average high temperature in December: -1.4°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in December: -9.4°C
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in December
Grimentz, Switzerland
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Grimentz, Switzerland
- Average wind speed in December: 8.4km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Grimentz, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Grimentz, Switzerland
- Average rainfall in December: 110mm
The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).
Average rainfall days in December
Grimentz, Switzerland
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Grimentz, Switzerland
- Average snowfall in December: 887mm
The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).
Average snowfall days in December
Grimentz, Switzerland
- Average snowfall days in December: 18.4 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in December /
Average sunshine in December
Grimentz, Switzerland
- Average daylight in December: 8h and 42min
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 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Grimentz, Switzerland
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in December
Grimentz, 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, March, April and November (UV index 1).
Average cloud cover in December
Grimentz, Switzerland
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in December
Grimentz, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
