December weather forecastÉchallens, Switzerland
December
Weather in December
The first month of the winter, December, is also a wintry month in Échallens, Switzerland, with an average temperature fluctuating between -0.4°C (31.3°F) and 4.9°C (40.8°F).Temperature
December witnesses a gentle descent in average high-temperature, descending from November's frosty 8.7°C (47.7°F) to a wintry 4.9°C (40.8°F). During December, Échallens sees a mean low-temperature of -0.4°C (31.3°F).Humidity
In Échallens, the average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall in Échallens. Rain falls for 13.8 days and accumulates 103mm (4.06") of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 8 days and accumulates 184mm (7.24") of snow.Daylight
The month with the shortest days in Échallens is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 07:57 and sunset at 16:47. On the last day of December, in Échallens, sunrise is at 08:17 and sunset at 16:55 CET.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index in Échallens are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Échallens, Switzerland
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).
Average pressure in December
Échallens, 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 (1015.5mbar).
Average wind speed in December
Échallens, Switzerland
- Average wind speed in December: 11.7km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in December
Échallens, Switzerland
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Échallens, Switzerland
- Average rainfall in December: 103mm
The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in December
Échallens, Switzerland
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Échallens, Switzerland
- Average snowfall in December: 184mm
The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Échallens, Switzerland
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Échallens, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Échallens, Switzerland
- Average sunshine days in December: 13 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in December
Échallens, 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, November and December (UV index 2).
Average cloud cover in December
Échallens, Switzerland
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Échallens, Switzerland
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
