December weather forecastStäfa, Switzerland

December

Weather in December

December, the first month of the winter in Stäfa, is also an icy month, with temperature in the range of an average high of 3.2°C (37.8°F) and an average low of -2.7°C (27.1°F).

Temperature

Stäfa's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's frosty 7.5°C (45.5°F) to a cold 3.2°C (37.8°F). Throughout the month of December, the nighttime temperature in Stäfa dips to an average of -2.7°C (27.1°F).

Humidity

In December, the average relative humidity in Stäfa, Switzerland, is 87%.

Rainfall

In Stäfa, Switzerland, during December, the rain falls for 9.8 days and regularly aggregates up to 56mm (2.2") of precipitation. In Stäfa, Switzerland, during the entire year, the rain falls for 151 days and collects up to 623mm (24.53") of precipitation.

Snowfall

Months with snowfall in Stäfa are January through May, October through December. In December, in Stäfa, it is snowing for 10.2 days. Throughout December, 160mm (6.3") of snow is accumulated. In Stäfa, during the entire year, snow falls for 50.4 days and aggregates up to 753mm (29.65") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 07:51 and sunset at 16:37. On the last day of the month, sunrise is at 08:11 and sunset at 16:44 CET.

Sunshine

The average sunshine in December is 4.7h.

UV index

The months with the lowest UV index are November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

In December, the average high-temperature and low-temperature in Stäfa are 3.2°C (37.8°F) and -2.7°C (27.1°F) respectively.

In Stäfa, Switzerland, the average relative humidity in December is 87%.

In Stäfa, Switzerland, during December, the rain falls for 9.8 days and regularly aggregates up to 56mm (2.2") of precipitation.

In Stäfa, Switzerland, during December, snow falls for 10.2 days and regularly aggregates up to 160mm (6.3") of snow.

The month with the shortest days in Stäfa, Switzerland, is December, with an average of 8h and 36min of daylight.

In Stäfa, Switzerland, the average day length in December is 8h and 34min.

In December, on the first day of the month, sunrise is at 07:51 and sunset at 16:37. On the last day of the month, in Stäfa, Switzerland, sunrise is at 08:11 and sunset at 16:44 CET.

The average sunshine duration in December in Stäfa, Switzerland, is 4.7h.

The months with the lowest UV index in Stäfa, Switzerland, are November and December, with an average maximum UV index of 1.

In Stäfa, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stäfa, Switzerland

  • Average high temperature in December: 3.2°C

The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in December: -2.7°C

The month with the highest average low temperature is August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).

Average pressure in December
Stäfa, Switzerland

  • Average pressure in December: 1020.8mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in December
Stäfa, Switzerland

  • Average wind speed in December: 7.9km/h

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in December
Stäfa, Switzerland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).

Average rainfall in December
Stäfa, Switzerland

  • Average rainfall in December: 56mm

The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).

Average rainfall days in December
Stäfa, Switzerland

  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December
Stäfa, Switzerland

  • Average snowfall in December: 160mm

The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Stäfa, Switzerland

  • Average snowfall days in December: 10.2 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Stäfa, Switzerland

  • Average daylight in December: 8h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Stäfa, Switzerland

  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in December
Stäfa, Switzerland

  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in December
Stäfa, Switzerland

  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Stäfa, Switzerland

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).