Sion Weather December
To help you choose the best time to travel, you can find climate data below on the weather in Sion in December.
|average daily high||+4.7°C|
|average daily low||-2.6°C|
|sunny / overcast hours||2.2 / 7|
|average monthly precipitation||64 mm|
Temperature in Sion
In December the average daily maximum in Sion is +4.7°C, and the minimum -2.6°C.
The hottest December day on record is +17.5°C, and the coldest -17.8°C.
Best beach resorts in December:
There are 9.2 hours of daylight in Sion in December. Out of these, on average 2.2 are sunny, which means the sun is almost never visible.
The amount of precipitation in Sion in December is usually 64 mm, which may cause a change of plans on certain days.