December weather forecastSaillon, Switzerland
December
Weather in December
December, the first month of the winter in Saillon, is still a freezing cold month, with an average temperature fluctuating between -9.1°C (15.6°F) and -0.8°C (30.6°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from an icy 2.9°C (37.2°F) to a freezing cold -0.8°C (30.6°F). Throughout the month of December, Saillon observes an average nighttime temperature of -9.1°C (15.6°F).Humidity
The average relative humidity in December is 85%.Rainfall
In December, in Saillon, the rain falls for 12.7 days. Throughout December, 72mm (2.83") of precipitation is accumulated. In Saillon, during the entire year, the rain falls for 206.5 days and collects up to 851mm (33.5") of precipitation.Snowfall
January through May, September through December are months with snowfall. In Saillon, during December, snow falls for 5.9 days and regularly aggregates up to 59mm (2.32") of snow. Throughout the year, there are 35.6 snowfall days, and 419mm (16.5") of snow is accumulated.Daylight
The month with the shortest days in Saillon is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:53 and sunset at 16:47. On the last day of December, in Saillon, sunrise is at 08:13 and sunset at 16:55 CET.
Sunshine
The average sunshine in December is 5.1h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saillon, Switzerland
- Average high temperature in December: -0.8°C
The warmest month (with the highest average high temperature) is August (17°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in December: -9.1°C
The months with the highest average low temperature are July and August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-10.8°C).
Average pressure in December
Saillon, 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
Saillon, 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
Saillon, Switzerland
- Average humidity in December: 85%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July, August and October (79%).
Average rainfall in December
Saillon, Switzerland
- Average rainfall in December: 72mm
The wettest month (with the highest rainfall) is May (110mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in December
Saillon, Switzerland
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is January (11.8 days).
Average snowfall in December
Saillon, Switzerland
- Average snowfall in December: 59mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Saillon, Switzerland
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Saillon, 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 months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Saillon, Switzerland
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (4.7 days).
Average UV index in December
Saillon, 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 March (UV index 1).
Average cloud cover in December
Saillon, Switzerland
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility in December
Saillon, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May and September (7km).
