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
East Troy's December weather comes with a decrease in average high-temperatures, moving from a frosty 43.5°F (6.4°C) in November to a subzero cold 31.5°F (-0.3°C). During December, an average low-temperature of 21.6°F (-5.8°C) is observed.Humidity
In December, the average relative humidity in East Troy, Wisconsin, is 83%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 150.4 rainfall days, and 28.43" (722mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In East Troy, during December, snow falls for 10.7 days and regularly aggregates up to 3.23" (82mm) of snow. Throughout the year, there are 53.7 snowfall days, and 18.03" (458mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:05 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine is 3.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does East Troy have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does East Troy have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
East Troy, WI
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
East Troy, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
East Troy, WI
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
East Troy, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
East Troy, WI
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
East Troy, WI
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
East Troy, WI
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
East Troy, WI
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
East Troy, WI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
East Troy, WI
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
East Troy, WI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
East Troy, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
East Troy, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
East Troy, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location