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
The transition into December indicates a reduction in the average high-temperature, down to a freezing cold 23.7°F (-4.6°C) from November's cold 37.9°F (3.3°C). Clear Lake reports an average low-temperature of 12.9°F (-10.6°C) during the nights of December.Humidity
In December, the average relative humidity in Clear Lake is 90%.Rainfall
In December, in Clear Lake, the rain falls for 4.1 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Clear Lake, during the entire year, the rain falls for 128.1 days and collects up to 23.46" (596mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Clear Lake is December, when snow falls for 14.7 days and typically aggregates up to 4.8" (122mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:36 pm CST.
Sunshine
The average sunshine in December is 2.9h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Clear Lake?
What is the average humidity in December in Clear Lake?
How many days does it rain in December in Clear Lake?
When does it snow the most in Clear Lake?
How many days does it snow in December in Clear Lake?
What is the month with the shortest days in Clear Lake?
How many hours of daylight does Clear Lake have in December?
When is the sunrise / sunset in December in Clear Lake?
How long on average sun shines in December in Clear Lake?
What is the month with the lowest UV index in Clear Lake?
What is the UV index reading in December in Clear Lake?
Average temperature in December
Clear Lake, WI
- Average high temperature in December: 23.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in December: 12.9°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in December
Clear Lake, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Clear Lake, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Clear Lake, WI
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Clear Lake, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Clear Lake, WI
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in December
Clear Lake, WI
- Average snowfall in December: 4.8"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clear Lake, WI
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clear Lake, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Clear Lake, WI
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Clear Lake, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Clear Lake, WI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Clear Lake, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Clear Lake, Wisconsin, USA
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