December weather forecast
Sapphire, NC

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Weather in December

The first month of the winter, December, is also a frosty month in Sapphire, North Carolina, with an average temperature fluctuating between 34.2°F (1.2°C) and 49.1°F (9.5°C).

Temperature

Sapphire experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a moderate 55.9°F (13.3°C) in November to a frosty 49.1°F (9.5°C). December's nights in Sapphire, North Carolina, observe an average temperature of 34.2°F (1.2°C).

Humidity

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

Rainfall

The wettest months are April and December, with an average 4.96" (126mm) of rainfall.

Snowfall

January through April, October through December are months with snowfall in Sapphire. The month with the most snowfall is December, when snow falls for 4.3 days and typically aggregates up to 6.5" (165mm) of snow.

Daylight

December has the shortest days of the year in Sapphire, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 5:20 pm. On the last day of December, in Sapphire, sunrise is at 7:40 am and sunset at 5:30 pm EST.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are December temperatures in Sapphire?

The high-temperature in Sapphire, North Carolina, during December is 49.1°F (9.5°C) and the low-temperature is 34.2°F (1.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 87.8°F (31°C).

What is the most humid month in Sapphire?

December is the most humid month in Sapphire, North Carolina, with an average relative humidity of 79%.

What is the average humidity in December in Sapphire?

In December, the average relative humidity is 79%.

What is the rainiest month in Sapphire?

The months with the most rainfall in Sapphire, North Carolina, are April and December, with an average 4.96" (126mm) of precipitation.

How much does it rain in Sapphire in December?

In Sapphire, North Carolina, in December, it is raining for 13 days, with typically 4.96" (126mm) of accumulated precipitation.

What is the snowiest month in Sapphire?

December is the month with the most snowfall. Snow falls for 4.3 days and accumulates 6.5" (165mm) of snow.

How much does it snow in Sapphire in December?

In Sapphire, in December, snow falls for 4.3 days, with typically accumulated 6.5" (165mm) of snow.

What is the month with the shortest days in Sapphire?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

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

In Sapphire, North Carolina, the average day length in December is 9h and 50min.

When are sunrise and sunset in December in Sapphire?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 5:20 pm. On the last day of the month, in Sapphire, North Carolina, sunrise is at 7:40 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Sapphire?

December has the least sunshine of the year in Sapphire, North Carolina, with an average of 5.4h of sunshine.

How long on average sun shines in December in Sapphire?

In Sapphire, North Carolina, the average sunshine duration in December is 5.4h.

When is the lowest UV index in Sapphire?

The months with the lowest UV index in Sapphire are January, February and December, with an average maximum UV index of 2.

What is the UV index reading in December in Sapphire?

In December, the average daily maximum UV index in Sapphire, North Carolina, is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Sapphire, NC

Average temperature in December - Sapphire, NC
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Sapphire, NC

Average pressure in December - Sapphire, NC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in December
Sapphire, NC

Average wind speed in December - Sapphire, NC
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in December
Sapphire, NC

Average humidity in December - Sapphire, NC
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January and November (75%).

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Average rainfall in December
Sapphire, NC

Average rainfall in December - Sapphire, NC
  • Average rainfall in December: 4.96"

The wettest months (with the highest rainfall) are April and December (4.96").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days in December
Sapphire, NC

Average rainfall days in December - Sapphire, NC
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is November (11.2 days).

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Average snowfall in December
Sapphire, NC

Average snowfall in December - Sapphire, NC
  • Average snowfall in December: 6.5"

The month with the highest snowfall is December (6.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Sapphire, NC

Average snowfall days in December - Sapphire, NC
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Sapphire, NC

Average daylight in December / Average sunshine in December - Sapphire, NC
  • Average daylight in December: 9h and 5min

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 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Sapphire, NC

Average sunshine days in December - Sapphire, NC
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is June (7.5 days).

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Average UV index in December
Sapphire, NC

Average UV index in December - Sapphire, NC
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in December
Sapphire, NC

Average cloud cover in December - Sapphire, NC
  • Average cloud cover in December: 44

The months with the most cloud cover are February, March and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Sapphire, NC

Average visibility in December - Sapphire, NC
  • Average visibility in December: 5mi

The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).

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Sapphire, North Carolina, USA

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