San Bernardino weather in December (Grisons, Switzerland)

Curious about the climate in San Bernardino this December? Use this page to get an overview of the month’s weather conditions.

Temperatures

In December, San Bernardino usually has very low temperatures and moderate snowfall. The winter season is characteristic of December. Anticipate daytime temperatures around -2°C, while night temperatures can drop to -10°C. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.

Precipitation

San Bernardino in December usually receives moderate snowfall, averaging around 98 mm for the month. Looking at the last 30 years, the data shows about 15 days with snow.

Average sunshine

With limited sunshine this month, there are about 72 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit San Bernardino. July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Bernardino climate page with graphs.

 

San Bernardino, monthly averages in December

Min Temperature -10°C  

Max Temperature -2°C  

Chance of Rain 51%  

Precipitation 98 mm  

Rainy days 15 days  

Humidity 72% *  

Sunshine 72 hours *  

Percentage Sunshine 44% *  

* Data from: Disentis, Switzerland (37 KM, 23 Miles).

Where to go in Switzerland in December

Find out more about the weather in Switzerland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Visitors traveling to San Bernardino should plan on bringing winter clothes, snow boots and a warm winter coat. There will be periods of snow.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

1/10

Cycling

1/10

Walking

1/10

Camping

1/10

Outdoor sports

1/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Bernardino.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.