December weather forecast
Blaney Hills, SC

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Weather in December

December, the first month of the winter in Blaney Hills, is still a refreshing month, with an average temperature varying between 41.5°F (5.3°C) and 55.6°F (13.1°C).

Temperature

With the onset of December, Blaney Hills's average high-temperature slightly adjusts, moderately receding from November's refreshing 61.7°F (16.5°C) to a moderate 55.6°F (13.1°C). Nighttime temperatures in December average to a cold 41.5°F (5.3°C) in Blaney Hills.

Humidity

In Blaney Hills, the average relative humidity in December is 74%.

Rainfall

In Blaney Hills, in December, it is raining for 10.5 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, in Blaney Hills, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Blaney Hills, during December, snow falls for 0.1 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, in Blaney Hills, there are 1.4 snowfall days, and 0.75" (19mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:24 pm EST.

Sunshine

December has the least sunshine of the year in Blaney Hills, with an average of 5.5h of sunshine.

UV index

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the temperature in December in Blaney Hills?

The high-temperature during December is 55.6°F (13.1°C) and the low-temperature is 41.5°F (5.3°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Blaney Hills?

The average relative humidity in December in Blaney Hills is 74%.

How many days does it rain in December in Blaney Hills?

In Blaney Hills, during December, the rain falls for 10.5 days and regularly aggregates up to 3.27" (83mm) of precipitation.

How much does it snow in Blaney Hills in December?

In December, it is snowing for 0.1 days. Throughout December, 0.16" (4mm) of snow is accumulated.

What is the month with the shortest days in Blaney Hills?

December has the shortest days of the year in Blaney Hills, South Carolina, with an average of 9h and 54min of daylight.

How many hours of daylight does Blaney Hills have in December?

The average day length in December in Blaney Hills, South Carolina, is 9h and 55min.

What time are sunrise and sunset in December in Blaney Hills?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of the month, in Blaney Hills, sunrise is at 7:28 am and sunset at 5:24 pm EST.

What is the month with the least sunshine in Blaney Hills?

The month with the least sunshine in Blaney Hills is December, with an average of 5.5h of sunshine.

How long on average sun shines in December in Blaney Hills?

The average sunshine duration in December in Blaney Hills, South Carolina, is 5.5h.

How high is the UV index in December in Blaney Hills?

In Blaney Hills, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Blaney Hills, SC

Average temperature in December - Blaney Hills, SC
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in December: 41.5°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in December
Blaney Hills, SC

Average pressure in December - Blaney Hills, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Blaney Hills, SC

Average wind speed in December - Blaney Hills, SC
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Blaney Hills, SC

Average humidity in December - Blaney Hills, SC
  • Average humidity in December: 74%

The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).

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Average rainfall in December
Blaney Hills, SC

Average rainfall in December - Blaney Hills, SC
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").

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Average rainfall days in December
Blaney Hills, SC

Average rainfall days in December - Blaney Hills, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).

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Average snowfall in December
Blaney Hills, SC

Average snowfall in December - Blaney Hills, SC
  • Average snowfall in December: 0.16"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Blaney Hills, SC

Average snowfall days in December - Blaney Hills, SC
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Blaney Hills, SC

Average daylight in December / Average sunshine in December - Blaney Hills, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Blaney Hills, SC

Average sunshine days in December - Blaney Hills, SC
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).

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Average UV index in December
Blaney Hills, SC

Average UV index in December - Blaney Hills, SC
  • Average UV index in December: 3

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 2).

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Average cloud cover in December
Blaney Hills, SC

Average cloud cover in December - Blaney Hills, SC
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in December
Blaney Hills, SC

Average visibility in December - Blaney Hills, 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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Blaney Hills, South Carolina, USA

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