December weather forecastGermantown, MO
December
Weather in December
December, the first month of the winter in Germantown, is still a chilly month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 43°F (6.1°C).Temperature
During the transition into December, Germantown observes a decrease in the average high-temperature, falling from a fresh 54.3°F (12.4°C) in November to a chilly 43°F (6.1°C). Germantown records an average temperature drop to a subzero cold 29.1°F (-1.6°C) in December.Humidity
In Germantown, the average relative humidity in December is 74%.Rainfall
In December, in Germantown, the rain falls for 6.9 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. In Germantown, during the entire year, the rain falls for 141.5 days and collects up to 30.67" (779mm) of precipitation.Snowfall
Months with snowfall are January through March, May, October through December. In Germantown, Missouri, in December, during 2.6 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Germantown, Missouri, during the entire year, snow falls for 14.7 days and aggregates up to 7.64" (194mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 4:56 pm. On the last day of December, in Germantown, Missouri, sunrise is at 7:32 am and sunset at 5:06 pm CST.
Sunshine
The average sunshine in December is 5.5h.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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Germantown, MO
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Germantown, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Germantown, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Germantown, MO
- Average humidity in December: 74%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Germantown, MO
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Germantown, MO
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Germantown, MO
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Germantown, MO
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (5 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, MO
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Germantown, MO
- Average sunshine days in December: 21.1 days
The months with the most sunshine days are January and December (21.1 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Germantown, MO
- 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, MO
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 26).
Average visibility in December
Germantown, MO
- 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).





