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
December
Weather in December
Temperature
The average high-temperature shows a slight dip in December, from November's 5.7°C (42.3°F) to a still cold 2.3°C (36.1°F). In December, Spiez experiences an average nighttime temperature of -5.3°C (22.5°F).Humidity
In Spiez, the average relative humidity in December is 84%.Rainfall
In Spiez, during December, the rain falls for 13.1 days and regularly aggregates up to 93mm (3.66") of precipitation. In Spiez, during the entire year, the rain falls for 197 days and collects up to 1016mm (40") of precipitation.Snowfall
Months with snowfall in Spiez are January through May, October through December. December is the month with the most snowfall in Spiez. Snow falls for 7.9 days and accumulates 208mm (8.19") of snow.Daylight
The month with the shortest days in Spiez is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 07:53 and sunset at 16:43. On the last day of the month, sunrise is at 08:13 and sunset at 16:51 CET.
Sunshine
The months with the least sunshine in Spiez are January, February and December, with an average of 5.3h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Spiez, Switzerland. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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
How cold is December in Spiez?
What is the average humidity in December in Spiez?
How many days does it rain in December in Spiez?
When does it snow the most in Spiez?
How much does it snow in Spiez in December?
What is the month with the shortest days in Spiez?
What is the average length of the day in December in Spiez?
When are sunrise and sunset in December in Spiez?
What are the months with the least sunshine in Spiez?
How long on average sun shines in December in Spiez?
When is the lowest UV index in Spiez?
What is the UV index reading in December in Spiez?
Average temperature in December
Spiez, Switzerland
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in December: -5.3°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).
Average pressure in December
Spiez, Switzerland
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Spiez, 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 (6km/h).
Average humidity in December
Spiez, Switzerland
- Average humidity in December: 84%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Spiez, Switzerland
- Average rainfall in December: 93mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in December
Spiez, Switzerland
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Spiez, Switzerland
- Average snowfall in December: 208mm
The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Spiez, Switzerland
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spiez, Switzerland
- Average daylight in December: 8h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Spiez, Switzerland
- Average sunshine days in December: 13 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Spiez, Switzerland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Spiez, Switzerland
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in December
Spiez, Switzerland
- Average visibility in December: 8km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).
