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
Onset of December comes with a temperature decline, the average high falling from a chilly 43.3°F in November to a freezing cold 31.5°F. Throughout December, Germantown reports a steady low-temperature average of 22.8°F, slightly lower than its daytime counterpart.Humidity
In Germantown, Wisconsin, the average relative humidity in December is 83%.Rainfall
In Germantown, in December, during 6.4 rainfall days, 1.22" of precipitation is typically accumulated. Throughout the year, in Germantown, there are 139.2 rainfall days, and 25.28" of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Germantown, Wisconsin, during December, snow falls for 10.9 days and regularly aggregates up to 3.23" of snow. In Germantown, during the entire year, snow falls for 48.9 days and aggregates up to 15.35" of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min 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, in Germantown, sunrise is at 7:24 am and sunset at 4:26 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index in Germantown are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
FAQ
How cold is December in Germantown?
What is the average humidity in December in Germantown?
How much does it rain in Germantown in December?
How much does it snow in Germantown in December?
What is the month with the shortest days in Germantown?
How many hours of daylight does Germantown have in December?
When is the sunrise / sunset in December in Germantown?
How many hours of sunshine does Germantown have in December?
What are the months with the lowest UV index in Germantown?
What is the UV index reading in December in Germantown?
Average temperature in December
Germantown, WI
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Germantown, 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
Germantown, WI
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Germantown, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Germantown, WI
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Germantown, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Germantown, WI
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Germantown, WI
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Germantown, WI
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Germantown, WI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).
Average UV index in December
Germantown, 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, November and December (UV index 1).
Average cloud cover in December
Germantown, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Germantown, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Germantown, Wisconsin, USA
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