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
In Sussex, the average high-temperature in December drops from a chilly 43.3°F (6.3°C) in November to a freezing cold 31.3°F (-0.4°C). Sussex, during December, witnesses an average low-temperature of 21.7°F (-5.7°C).Humidity
In Sussex, the average relative humidity in December is 83%.Rainfall
In Sussex, during December, the rain falls for 7.6 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Sussex, during the entire year, the rain falls for 149.2 days and collects up to 28.54" (725mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sussex, Wisconsin, during December, snow falls for 12.6 days and regularly aggregates up to 3.94" (100mm) of snow. Throughout the year, in Sussex, there are 58.7 snowfall days, and 20.47" (520mm) 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 the month, sunrise is at 7:05 am and sunset at 4:18 pm. On the last day of December, in Sussex, Wisconsin, sunrise is at 7:24 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 3.8h.UV index
The months with the lowest UV index in Sussex are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Sussex in December?
What is the average humidity in December in Sussex?
How many days does it rain in December in Sussex?
How many days does it snow in December in Sussex?
What is the month with the shortest days in Sussex?
What is the average length of the day in December in Sussex?
What time are sunrise and sunset in December in Sussex?
How long on average sun shines in December in Sussex?
What are the months with the lowest UV index in Sussex?
How high is the UV index in December in Sussex?
Average temperature in December
Sussex, WI
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 21.7°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 (13.6°F).
Average pressure in December
Sussex, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Sussex, WI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Sussex, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Sussex, WI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Sussex, WI
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Sussex, WI
- Average snowfall in December: 3.94"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sussex, WI
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sussex, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Sussex, WI
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in December
Sussex, WI
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Sussex, 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 30).
Average visibility in December
Sussex, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Sussex, Wisconsin, USA
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