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
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cold 41.4°F (5.2°C) in November to a subzero cold 27.9°F (-2.3°C). During December, Plainfield records an average temperature of 18.3°F (-7.6°C) at night.Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Plainfield, the rain falls for 6.4 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. In Plainfield, during the entire year, the rain falls for 131 days and collects up to 26.42" (671mm) of precipitation.Snowfall
Months with snowfall in Plainfield are January through May, October through December. In December, in Plainfield, it is snowing for 12.4 days. Throughout December, 3.94" (100mm) of snow is accumulated. Throughout the year, in Plainfield, there are 55.2 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
December has the shortest days of the year, 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
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Plainfield?
What is the average humidity in December in Plainfield?
How many days does it rain in December in Plainfield?
How many days does it snow in December in Plainfield?
What is the month with the shortest days in Plainfield?
How many hours of daylight does Plainfield have in December?
What time are sunrise and sunset in December in Plainfield?
How long on average sun shines in December in Plainfield?
What is the month with the lowest UV index in Plainfield?
What is the UV index reading in December in Plainfield?
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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