December weather forecastSempach, Switzerland
December weather for Sempach, Switzerland: In Sempach, Switzerland, in December, during 13.9 rainfall days, 89mm (3.5") of precipitation is typically accumulated. The first month of the winter, December, is also a wintry month in Sempach, Switzerland, with an average temperature fluctuating between 3.4°C (38.1°F) and -2.7°C (27.1°F).
December
Weather in December
The first month of the winter, December, is also a wintry month in Sempach, Switzerland, with an average temperature fluctuating between 3.4°C (38.1°F) and -2.7°C (27.1°F).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a frosty 7.8°C (46°F) in November to an icy 3.4°C (38.1°F). During the nights in December, Sempach experiences a consistent average temperature of -2.7°C (27.1°F).Humidity
In Sempach, the average relative humidity in December is 83%.Rainfall
In Sempach, in December, it is raining for 13.9 days, with typically 89mm (3.5") of accumulated precipitation. In Sempach, during the entire year, the rain falls for 186.8 days and collects up to 981mm (38.62") of precipitation.Snowfall
January through May, October through December are months with snowfall in Sempach. In December, in Sempach, it is snowing for 6.5 days. Throughout December, 148mm (5.83") of snow is accumulated. In Sempach, during the entire year, snow falls for 35.5 days and aggregates up to 692mm (27.24") of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:53 and sunset at 16:39. On the last day of December, sunrise is at 08:13 and sunset at 16:47 CET.
Sunshine
December has the least sunshine of the year in Sempach, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sempach, Switzerland
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (22.1°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 (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.9°C).
Average pressure in December
Sempach, Switzerland
- Average pressure in December: 1020.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in December
Sempach, Switzerland
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Sempach, Switzerland
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Sempach, Switzerland
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is September (52mm).
Average rainfall days in December
Sempach, Switzerland
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in December
Sempach, Switzerland
- Average snowfall in December: 148mm
The month with the highest snowfall is February (169mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sempach, Switzerland
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sempach, Switzerland
- Average daylight in December: 8h and 36min
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 36min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sempach, Switzerland
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in December
Sempach, 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, November and December (UV index 2).
Average cloud cover in December
Sempach, Switzerland
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Sempach, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).
