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 onset of December brings a small change in high-temperatures, falling from a chilly 43.7°F (6.5°C) in November to a cold 32.4°F (0.2°C). Greenfield experiences a steady nighttime temperature of 23.7°F (-4.6°C) throughout the month of December.Humidity
In December, the average relative humidity in Greenfield is 81%.Rainfall
The months with the least rainfall in Greenfield are February and December Rain falls for 5.9 days and accumulates 0.83" (21mm) of rain.Snowfall
January through April, October through December are months with snowfall in Greenfield. In Greenfield, in December, during 8.8 snowfall days, 1.77" (45mm) of snow is typically accumulated. Throughout the year, in Greenfield, there are 43.6 snowfall days, and 11.22" (285mm) of snow is accumulated.Daylight
December has the shortest days of the year in Greenfield, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 3.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Greenfield, Wisconsin. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Greenfield in December?
What is the average humidity in December in Greenfield?
What is the driest month in Greenfield?
How much does it rain in Greenfield in December?
How much does it snow in Greenfield in December?
What is the month with the shortest days in Greenfield?
What is the average length of the day in December in Greenfield?
When is the sunrise / sunset in December in Greenfield?
How long on average sun shines in December in Greenfield?
When is the lowest UV index in Greenfield?
What is the UV index intensity in December in Greenfield?
Average temperature in December
Greenfield, WI
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 23.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Greenfield, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Greenfield, WI
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Greenfield, WI
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Greenfield, WI
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in December
Greenfield, WI
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Greenfield, WI
- Average snowfall in December: 1.77"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greenfield, WI
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenfield, 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 months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Greenfield, WI
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (17.4 days).
The months with the least sunshine days are July and August (12.7 days).
Average UV index in December
Greenfield, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Greenfield, WI
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Greenfield, WI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greenfield, Wisconsin, USA
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