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
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 43.9°F (6.6°C) in November to a subzero cold 31.6°F (-0.2°C). December nights are marked by an average low-temperature of 20.8°F (-6.2°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Sinsinawa, in December, it is raining for 6.1 days, with typically 1.5" (38mm) of accumulated precipitation. In Sinsinawa, during the entire year, the rain falls for 139 days and collects up to 28.9" (734mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sinsinawa, in December, snow falls for 10.2 days, with typically accumulated 3.35" (85mm) of snow. Throughout the year, there are 44.5 snowfall days, and 18.07" (459mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:39 pm CST.
Sunshine
In Sinsinawa, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Sinsinawa?
How many hours of sunshine does Sinsinawa have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Sinsinawa, WI
- Average high temperature in December: 31.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Sinsinawa, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Sinsinawa, WI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in December
Sinsinawa, WI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Sinsinawa, WI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Sinsinawa, WI
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Sinsinawa, WI
- Average snowfall in December: 3.35"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sinsinawa, WI
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sinsinawa, 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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Sinsinawa, WI
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Sinsinawa, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Sinsinawa, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Sinsinawa, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Sinsinawa, Wisconsin, USA
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