Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a minor shift in the average high-temperature, adjusting from a frosty 6°C (42.8°F) in November to an icy 2.7°C (36.9°F). Sementina, in December, observes a steady average low-temperature of -4°C (24.8°F).Humidity
In December, the average relative humidity in Sementina is 78%.Rainfall
In Sementina, in December, it is raining for 6.4 days, with typically 38mm (1.5") of accumulated precipitation. In Sementina, during the entire year, the rain falls for 137.8 days and collects up to 669mm (26.34") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 0.6 days. Throughout December, 3mm (0.12") of snow is accumulated. In Sementina, during the entire year, snow falls for 4.8 days and aggregates up to 33mm (1.3") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 07:46 and sunset at 16:39. On the last day of the month, sunrise is at 08:06 and sunset at 16:47 CET.
Sunshine
The average sunshine in December is 6.4h.UV index
The months with the lowest UV index in Sementina are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in Sementina?
What is the average humidity in December in Sementina?
How much does it rain in Sementina in December?
How much does it snow in Sementina in December?
What is the month with the shortest days in Sementina?
What is the average length of the day in December in Sementina?
What time are sunrise and sunset in December in Sementina?
How long on average sun shines in December in Sementina?
What are the months with the lowest UV index in Sementina?
What is the UV index reading in December in Sementina?
Average temperature in December
Sementina, Switzerland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in December: -4°C
The months with the highest average low temperature are July and August (11.1°C).
The coldest month (with the lowest average low temperature) is February (-5.1°C).
Average pressure in December
Sementina, Switzerland
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in December
Sementina, Switzerland
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is February (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).
Average humidity in December
Sementina, Switzerland
- Average humidity in December: 78%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Sementina, Switzerland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in December
Sementina, Switzerland
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Sementina, Switzerland
- Average snowfall in December: 3mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Sementina, Switzerland
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Sementina, Switzerland
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in December
Sementina, Switzerland
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Sementina, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Sementina, Switzerland
- Average cloud cover in December: 30
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Sementina, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).
Sementina, Switzerland
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