December weather forecastGermantown, SC
December
Weather in December
December, the first month of the winter in Germantown, is still a refreshing month, with an average temperature fluctuating between 46.8°F (8.2°C) and 59.5°F (15.3°C).Temperature
December's weather displays an average high-temperature of a mild 59.5°F (15.3°C), slightly varied from November's 64.2°F (17.9°C). Germantown anticipates an average minimum temperature of 46.8°F (8.2°C) in the month of December.Humidity
With an average relative humidity of 79%, December is the most humid month in Germantown.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 4.21" (107mm) of precipitation is accumulated. In Germantown, during the entire year, the rain falls for 182.2 days and collects up to 43.39" (1102mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:21 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h of sunshine.UV index
In Germantown, South Carolina, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during December translates into the following guidance:
Adopt protective measures - It is advised to guard against sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Germantown, SC
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Germantown, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Germantown, SC
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Germantown, SC
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January, March and November (75%).
Average rainfall in December
Germantown, SC
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is August (7.28").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Germantown, SC
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (25 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Germantown, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Germantown, SC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Germantown, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Germantown, SC
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in December
Germantown, SC
- Average UV index in December: 4
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Germantown, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Germantown, SC
- 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).
