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
Start of December brings a shift in the average high-temperature, falling from November's wintry 41.4°F (5.2°C) to a subzero cold 27.9°F (-2.3°C). The average low-temperature, in December, is a still freezing cold 18.3°F (-7.6°C).Humidity
In Plainfield, the average relative humidity in December is 86%.Rainfall
In Plainfield, during December, the rain falls for 6.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 131 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Plainfield, in December, during 12.4 snowfall days, 3.94" (100mm) of snow is typically accumulated. Throughout the year, there are 55.2 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Plainfield in December?
What is the average humidity in December?
How much does it rain in Plainfield 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?
When is the sunrise / sunset in December?
How many hours of sunshine does Plainfield have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Plainfield, WI
- Average high temperature in December: 27.9°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 (21.7°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in December
Plainfield, 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 (29.91"Hg).
Average wind speed in December
Plainfield, WI
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Plainfield, WI
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Plainfield, WI
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in December
Plainfield, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Plainfield, WI
- Average snowfall in December: 3.94"
The month with the highest snowfall is January (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plainfield, WI
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plainfield, WI
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- 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 24min).
Average sunshine days in December
Plainfield, WI
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (16.6 days).
The months with the least sunshine days are April and June (11.9 days).
Average UV index in December
Plainfield, 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
Plainfield, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Plainfield, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Plainfield, Wisconsin, USA
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