December weather forecastGrünwald, Switzerland
December
Weather in December
The first month of the winter, December, is also an icy month in Grünwald, Switzerland, with an average temperature varying between -1.2°C (29.8°F) and 3.8°C (38.8°F).Temperature
The beginning of December brings a minor change in the average high-temperature, shifting from a chilly 7.5°C (45.5°F) in November to a wintry 3.8°C (38.8°F). Grünwald, in December, registers an average low temperature of -1.2°C (29.8°F), showing a minute reduction from daily highs.Humidity
In December, the average relative humidity in Grünwald is 88%.Rainfall
In December, in Grünwald, Switzerland, the rain falls for 8.7 days. Throughout December, 109mm (4.29") of precipitation is accumulated. Throughout the year, in Grünwald, there are 173.2 rainfall days, and 1052mm (41.42") of precipitation is accumulated.Snowfall
Months with snowfall in Grünwald, Switzerland, are January through May, September through December. December is the month with the most snowfall. Snow falls for 17.1 days and accumulates 454mm (17.87") of snow.Daylight
The month with the shortest days in Grünwald is December, with an average of 8h and 30min of daylight.On the first day of December in Grünwald, sunrise is at 07:52 and sunset at 16:36. On the last day of the month, sunrise is at 08:13 and sunset at 16:43 CET.
Sunshine
The month with the least sunshine in Grünwald is December, with an average of 3.6h of sunshine.UV index
In Grünwald, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grünwald, Switzerland
- Average high temperature in December: 3.8°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in December: -1.2°C
The months with the highest average low temperature are July and August (11.4°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in December
Grünwald, Switzerland
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in December
Grünwald, Switzerland
- Average wind speed in December: 9.7km/h
The windiest months (with the highest average wind speed) are March and December (9.7km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in December
Grünwald, Switzerland
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in December
Grünwald, Switzerland
- Average rainfall in December: 109mm
The wettest month (with the highest rainfall) is June (130mm).
The driest month (with the least rainfall) is September (57mm).
Average rainfall days in December
Grünwald, Switzerland
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Grünwald, Switzerland
- Average snowfall in December: 454mm
The month with the highest snowfall is December (454mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Grünwald, Switzerland
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Grünwald, Switzerland
- Average daylight in December: 8h and 30min
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 30min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in December
Grünwald, Switzerland
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in December
Grünwald, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Grünwald, Switzerland
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Grünwald, Switzerland
- Average visibility in December: 7km
The month with the highest visibility is July (9km).
The month with the lowest visibility is January (6km).
