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 brings a minor decrease, with the average high-temperature reducing from a wintry 41.9°F (5.5°C) in November to a subzero cold 29.1°F (-1.6°C). During December, the average low-temperature is a still freezing cold 19.2°F (-7.1°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Waupun, in December, during 5.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Waupun, during the entire year, the rain falls for 130.7 days and collects up to 21.38" (543mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Waupun, in December, during 13 snowfall days, 2.87" (73mm) of snow is typically accumulated. Throughout the year, there are 56.5 snowfall days, and 15.04" (382mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 3.7h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Waupun in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Waupun have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Waupun, WI
- Average high temperature in December: 29.1°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 (22.5°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Waupun, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Waupun, WI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Waupun, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Waupun, WI
- Average rainfall in December: 1.02"
The wettest months (with the highest rainfall) are May and June (2.76").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Waupun, WI
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Waupun, WI
- Average snowfall in December: 2.87"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Waupun, WI
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waupun, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Waupun, WI
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are June and July (12.1 days).
Average UV index in December
Waupun, 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
Waupun, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Waupun, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Waupun, Wisconsin, USA
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