December weather forecastGermantown, TN
December
Weather in December
December in Germantown is synonymous with the peak of winter. Average temperatures of 38.1°F (3.4°C) to 50.9°F (10.5°C) coupled with slight snowfall of 0.08" (2mm) mark a significant transition from the comparatively mild November. The cold, bitter days make room for cozy indoor activities and holiday decorations. Despite the plunge in temperatures, December does experience several sunny days, albeit with limited daylight hours. The month wraps up the year with the longest nights, the chilliest weather, and an overall festive mood.Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's refreshing 59°F (15°C) to a cool 50.9°F (10.5°C). During the month of December, an average low-temperature of 38.1°F (3.4°C) is recorded in Germantown.Humidity
In Germantown, the average relative humidity in December is 78%.Rainfall
In Germantown, in December, it is raining for 12.4 days, with typically 4.06" (103mm) of accumulated precipitation. Throughout the year, there are 163.2 rainfall days, and 39.69" (1008mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Germantown. In Germantown, in December, snow falls for 0.5 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Germantown, Tennessee, there are 5.4 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
December has the shortest days of the year in Germantown, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:47 pm. On the last day of December, in Germantown, sunrise is at 7:07 am and sunset at 4:57 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Germantown. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be attentive! The reflective property of snow can nearly double 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, TN
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in December
Germantown, TN
- 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 (29.94"Hg).
Average wind speed in December
Germantown, TN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Germantown, TN
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Germantown, TN
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Germantown, TN
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is October (9.9 days).
Average snowfall in December
Germantown, TN
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Germantown, TN
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Germantown, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Germantown, TN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Germantown, TN
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Germantown, TN
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in December
Germantown, TN
- 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).
