December weather forecastGreenbush, WI
December
Weather in December
December, the first month of the winter in Greenbush, is also a subzero cold month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 30.9°F (-0.6°C).Temperature
With December's arrival, Greenbush's weather changes as the average high-temperature falls from an icy 41.9°F (5.5°C) in November to a freezing cold 30.9°F (-0.6°C). The average temperature in Greenbush during December nights dips to a still subzero cold 21.6°F (-5.8°C).Humidity
In December, the average relative humidity in Greenbush is 84%.Rainfall
In Greenbush, in December, during 5.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Greenbush, during the entire year, the rain falls for 146 days and collects up to 29.17" (741mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Greenbush, in December, during 11.8 snowfall days, 4.45" (113mm) of snow is typically accumulated. In Greenbush, during the entire year, snow falls for 56.2 days and aggregates up to 20.16" (512mm) of snow.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 7:07 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:25 pm CST.
Sunshine
In December, the average sunshine in Greenbush is 3.8h.UV index
The months with the lowest UV index in Greenbush are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greenbush, WI
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in December
Greenbush, 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 (29.91"Hg).
Average wind speed in December
Greenbush, WI
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Greenbush, WI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Greenbush, WI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in December
Greenbush, WI
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Greenbush, WI
- Average snowfall in December: 4.45"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greenbush, WI
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenbush, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Greenbush, WI
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Greenbush, WI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Greenbush, WI
- Average cloud cover in December: 62
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 30).
Average visibility in December
Greenbush, 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).
