December weather forecastChâtel-Saint-Denis, Switzerland

December

Weather in December

The first month of the winter, December, is still a cold month in Châtel-Saint-Denis, Switzerland, with an average temperature fluctuating between 1.9°C (35.4°F) and -5.2°C (22.6°F).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a chilly 6.1°C (43°F) in November to an icy 1.9°C (35.4°F). Châtel-Saint-Denis's temperature lowers to a mean of -5.2°C (22.6°F) during the nights in December.

Humidity

In December, the average relative humidity in Châtel-Saint-Denis, Switzerland, is 83%.

Rainfall

In Châtel-Saint-Denis, in December, it is raining for 6.1 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Châtel-Saint-Denis, Switzerland, there are 96.1 rainfall days, and 311mm (12.24") of precipitation is accumulated.

Snowfall

Months with snowfall in Châtel-Saint-Denis, Switzerland, are January through May, October through December. In December, it is snowing for 5.6 days. Throughout December, 128mm (5.04") of snow is accumulated. Throughout the year, in Châtel-Saint-Denis, there are 35.5 snowfall days, and 551mm (21.69") of snow is accumulated.

Daylight

The month with the shortest days in Châtel-Saint-Denis is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 07:56 and sunset at 16:47. On the last day of December, sunrise is at 08:16 and sunset at 16:55 CET.

Sunshine

The average sunshine in December in Châtel-Saint-Denis is 5.3h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature in Châtel-Saint-Denis, Switzerland, are 1.9°C (35.4°F) and -5.2°C (22.6°F) respectively.

In December, the average relative humidity in Châtel-Saint-Denis is 83%.

In Châtel-Saint-Denis, Switzerland, in December, during 6.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

In Châtel-Saint-Denis, in December, during 5.6 snowfall days, 128mm (5.04") of snow is typically accumulated.

With an average of 8h and 42min of daylight, December has the shortest days of the year.

In Châtel-Saint-Denis, the average day length in December is 8h and 39min.

On the first day of December in Châtel-Saint-Denis, sunrise is at 07:56 and sunset at 16:47. On the last day of the month, sunrise is at 08:16 and sunset at 16:55 CET.

In December, the average sunshine duration in Châtel-Saint-Denis, Switzerland, is 5.3h.

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

In Châtel-Saint-Denis, Switzerland, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

6.1°C

1.9°C

0.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8km/h

9.9km/h

9.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

21.1

21.8

21.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Châtel-Saint-Denis, Switzerland

Average high temperature in December: 1.9°C

The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).

Average low temperature in December: -5.2°C

The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).

Average pressure in December
Châtel-Saint-Denis, Switzerland

Average pressure in December: 1021.1mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in December
Châtel-Saint-Denis, Switzerland

Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity in December
Châtel-Saint-Denis, Switzerland

Average humidity in December: 83%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).

Average rainfall in December
Châtel-Saint-Denis, Switzerland

Average rainfall in December: 37mm

The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in December
Châtel-Saint-Denis, Switzerland

Average rainfall days in December: 6.1 days

The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Châtel-Saint-Denis, Switzerland

Average snowfall in December: 128mm

The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Châtel-Saint-Denis, Switzerland

Average snowfall days in December: 5.6 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Châtel-Saint-Denis, 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: 5h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in December
Châtel-Saint-Denis, Switzerland

Average sunshine days in December: 21.8 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).

Average UV index in December
Châtel-Saint-Denis, Switzerland

Average UV index in December: 2

The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Châtel-Saint-Denis, Switzerland

Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Châtel-Saint-Denis, Switzerland

Average visibility in December: 8km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).