December weather forecastGrächen, Switzerland
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Grächen, Switzerland, with an average temperature ranging between min -10.6°C (12.9°F) and max -2.5°C (27.5°F).Temperature
During the shift to December, Grächen records a mild decrease in average high-temperature, moving from a wintry 0.5°C (32.9°F) in November to a subzero cold -2.5°C (27.5°F). Grächen experiences an average low-temperature of -10.6°C (12.9°F) in month of December.Humidity
In December, the average relative humidity is 84%.Rainfall
In December, in Grächen, the rain falls for 4.4 days. Throughout December, 61mm (2.4") of precipitation is accumulated. In Grächen, during the entire year, the rain falls for 176.3 days and collects up to 1541mm (60.67") of precipitation.Snowfall
January through June, August through December are months with snowfall in Grächen. In Grächen, during December, snow falls for 15.5 days and regularly aggregates up to 474mm (18.66") of snow. In Grächen, during the entire year, snow falls for 126.3 days and aggregates up to 4942mm (194.57") 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 07:51 and sunset at 16:44. On the last day of December, in Grächen, Switzerland, sunrise is at 08:11 and sunset at 16:52 CET.
Sunshine
In December, the average sunshine in Grächen is 5.1h.UV index
In December, the average daily maximum UV index in Grächen is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grächen, Switzerland
- Average high temperature in December: -2.5°C
The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (-3.6°C).
- Average low temperature in December: -10.6°C
The month with the highest average low temperature is August (5.3°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in December
Grächen, Switzerland
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Grächen, Switzerland
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is December (9.6km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in December
Grächen, Switzerland
- Average humidity in December: 84%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is July (82%).
Average rainfall in December
Grächen, Switzerland
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is July (199mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in December
Grächen, Switzerland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (26.6 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Grächen, Switzerland
- Average snowfall in December: 474mm
The month with the highest snowfall is November (1182mm).
The month with the least snowfall is July (0mm).
Average snowfall days in December
Grächen, Switzerland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is March (21.7 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in December /
Average sunshine in December
Grächen, 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: 5h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in December
Grächen, Switzerland
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is December (15.1 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Grächen, Switzerland
- Average UV index in December: 2
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 and April (UV index 1).
Average cloud cover in December
Grächen, Switzerland
- Average cloud cover in December: 47
The month with the most cloud cover is April (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in December
Grächen, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are March, April and November (6km).
