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 fresh 52.5°F (11.4°C) to an icy 41.9°F (5.5°C). Germantown, in December, experiences an average temperature of 30°F (-1.1°C) at night.Humidity
The average relative humidity in December in Germantown is 77%.Rainfall
In Germantown, in December, during 9.5 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Germantown, during the entire year, the rain falls for 157.2 days and collects up to 36.18" (919mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Germantown, during December, snow falls for 4 days and regularly aggregates up to 1.22" (31mm) of snow. In Germantown, during the entire year, snow falls for 22.4 days and aggregates up to 7.83" (199mm) of snow.Daylight
The month with the shortest days in Germantown is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:47 pm CST.
Sunshine
In Germantown, the average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold is December in Germantown?
What is the average humidity in December in Germantown?
How many days does it rain in December in Germantown?
How many days does it snow in December in Germantown?
What is the month with the shortest days in Germantown?
What is the average length of the day in December in Germantown?
What time are sunrise and sunset in December in Germantown?
How long on average sun shines in December in Germantown?
When is the lowest UV index in Germantown?
How high is the UV index in December in Germantown?
Average temperature in December
Germantown, IL
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Germantown, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Germantown, IL
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Germantown, IL
- Average humidity in December: 77%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Germantown, IL
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Germantown, IL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Germantown, IL
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Germantown, IL
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (7.5 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, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Germantown, IL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Germantown, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Germantown, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Germantown, IL
- 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).
Germantown, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
