December weather forecastGermantown, IN
December
Weather in December
December, the first month of the winter in Germantown, is still a cold month, with an average temperature fluctuating between 40.1°F (4.5°C) and 29.3°F (-1.5°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's fresh 50.4°F (10.2°C) to a wintry 40.1°F (4.5°C). Germantown's temperature drops to an average low of 29.3°F (-1.5°C) during the nights of December.Humidity
July and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In December, the rain falls for 11.8 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, in Germantown, there are 169.5 rainfall days, and 35.87" (911mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Germantown, in December, during 7.8 snowfall days, 2.13" (54mm) of snow is typically accumulated. In Germantown, during the entire year, snow falls for 34.1 days and aggregates up to 11.22" (285mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:44 am and sunset at 5:19 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:29 pm EST.
Sunshine
In Germantown, the average sunshine in December is 4.1h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Germantown, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Germantown, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Germantown, IN
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Germantown, IN
- Average humidity in December: 82%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Germantown, IN
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Germantown, IN
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Germantown, IN
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Germantown, IN
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Germantown, IN
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Germantown, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Germantown, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Germantown, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Germantown, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
