December weather forecast
Germantown, SC

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Weather in December

December, the first month of the winter in Germantown, is still a mild month, with an average temperature varying between 59.5°F (15.3°C) and 46.8°F (8.2°C).

Temperature

Germantown registers an average high-temperature of a moderate 59.5°F (15.3°C) with the arrival of December, showing minor deviation from the preceding month. Throughout December, the average low-temperature dips to a frosty 46.8°F (8.2°C).

Humidity

The most humid month is December, with an average relative humidity of 79%.

Rainfall

In Germantown, in December, it is raining for 10.7 days, with typically 4.21" (107mm) of accumulated precipitation. In Germantown, during the entire year, the rain falls for 182.2 days and collects up to 43.39" (1102mm) of precipitation.

Snowfall

In Germantown, snow does not fall in March through December.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Germantown.
On the first day of the month, sunrise is at 7:03 am and sunset at 5:10 pm. On the last day of December, in Germantown, sunrise is at 7:21 am and sunset at 5:21 pm EST.

Sunshine

The month with the least sunshine in Germantown, South Carolina, is December, with an average of 5.6h of sunshine.

UV index

The average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 4 in December leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the average December temperature in Germantown?

In December, the average high-temperature and low-temperature are 59.5°F (15.3°C) and 46.8°F (8.2°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 89.6°F (32°C).

What is the most humid month in Germantown?

With an average relative humidity of 79%, December is the most humid month in Germantown, South Carolina.

What is the average humidity in December in Germantown?

The average relative humidity in December in Germantown is 79%.

How much does it rain in Germantown in December?

In Germantown, in December, during 10.7 rainfall days, 4.21" (107mm) of precipitation is typically accumulated.

When it does not snow in Germantown?

March through December are months without snowfall in Germantown.

Does it snow in Germantown in December?

In Germantown, South Carolina, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Germantown?

The month with the shortest days in Germantown, South Carolina, is December, with an average of 10h and 0min of daylight.

What is the average length of the day in December in Germantown?

The average day length in December is 10h and 0min.

When is the sunrise / sunset in December in Germantown?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 5:10 pm. On the last day of the month, in Germantown, sunrise is at 7:21 am and sunset at 5:21 pm EST.

What is the month with the least sunshine in Germantown?

December has the least sunshine of the year in Germantown, South Carolina, with an average of 5.6h of sunshine.

How many hours of sunshine does Germantown have in December?

In December, the average sunshine duration in Germantown is 5.6h.

How high is the UV index in December in Germantown?

The average daily maximum UV index in December in Germantown is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Germantown, SC

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).

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Average pressure in December
Germantown, SC

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).

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Average wind speed in December
Germantown, SC

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).

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Average humidity in December
Germantown, SC

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%).

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Average rainfall in December
Germantown, SC

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").

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Average rainfall days in December
Germantown, SC

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).

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Average snowfall in December
Germantown, SC

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").

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Average snowfall days in December
Germantown, SC

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).

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Average daylight in December /
Average sunshine in December
Germantown, SC

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 4min

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).

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Average sunshine days in December
Germantown, SC

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).

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Average UV index in December
Germantown, SC

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).

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Average cloud cover in December
Germantown, SC

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).

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Average visibility in December
Germantown, SC

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).

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Germantown, South Carolina, USA

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