December weather forecastSaint Moritz, Switzerland
December
Weather in December
Saint Moritz sees the year off with a snowy December exhibiting temperatures as low as -4°C (24.8°F). There is an increase in snowfall, registering around 319mm (12.56"). The snowy cityscape makes this month perfect for celebrating Christmas and welcoming the New Year. The festive atmosphere grips the city, despite the cold, making it a popular destination for holidaymakers. Winter sports continue to dominate outdoor activities rounding off a year of varied weather experiences in this beautiful Swiss town.Temperature
With the commencement of December, Saint Moritz records a moderate temperature decline, with the average high easing from November's -0.5°C (31.1°F) to a still subzero cold -4°C (24.8°F). Saint Moritz experiences a consistent average temperature of -14°C (6.8°F) throughout the nights in December.Humidity
The average relative humidity in December in Saint Moritz is 89%.Rainfall
In Saint Moritz, in December, it is raining for 1.5 days, with typically 42mm (1.65") of accumulated precipitation. In Saint Moritz, during the entire year, the rain falls for 140.7 days and collects up to 944mm (37.17") of precipitation.Snowfall
Months with snowfall in Saint Moritz are January through December. In December, in Saint Moritz, it is snowing for 14.9 days. Throughout December, 319mm (12.56") of snow is accumulated. In Saint Moritz, during the entire year, snow falls for 125.3 days and aggregates up to 3141mm (123.66") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Saint Moritz.On the first day of December, sunrise is at 07:44 and sunset at 16:35. On the last day of the month, sunrise is at 08:04 and sunset at 16:43 CET.
Sunshine
In Saint Moritz, the average sunshine in December is 3.9h.UV index
In December, the average daily maximum UV index in Saint Moritz is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Moritz, Switzerland
- Average high temperature in December: -4°C
The warmest month (with the highest average high temperature) is July (14.6°C).
The month with the lowest average high temperature is January (-5.1°C).
- Average low temperature in December: -14°C
The months with the highest average low temperature are July and August (3.8°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).
Average pressure in December
Saint Moritz, Switzerland
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in December
Saint Moritz, Switzerland
- Average wind speed in December: 10.3km/h
The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in December
Saint Moritz, Switzerland
- Average humidity in December: 89%
The month with the highest relative humidity is April (96%).
The month with the lowest relative humidity is July (81%).
Average rainfall in December
Saint Moritz, Switzerland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in December
Saint Moritz, Switzerland
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is December (1.5 days).
Average snowfall in December
Saint Moritz, Switzerland
- Average snowfall in December: 319mm
The month with the highest snowfall is November (721mm).
The month with the least snowfall is July (4mm).
Average snowfall days in December
Saint Moritz, Switzerland
- Average snowfall days in December: 14.9 days
The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Saint Moritz, Switzerland
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in December
Saint Moritz, Switzerland
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in December
Saint Moritz, 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, April, October and November (UV index 1).
Average cloud cover in December
Saint Moritz, Switzerland
- Average cloud cover in December: 61
The month with the most cloud cover is April (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 52).
Average visibility in December
Saint Moritz, Switzerland
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and December (7km).
The month with the lowest visibility is April (4km).
