December weather forecast
Prospect Hill, NC

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Weather in December

December, the first month of the winter in Prospect Hill, is also a fresh month, with an average temperature fluctuating between 35.6°F (2°C) and 50.2°F (10.1°C).

Temperature

With the onset of December, the average high-temperature subtly recedes from November's refreshing 57.9°F (14.4°C) to a fresh 50.2°F (10.1°C). In the month of December, the temperature generally rests at an average low of 35.6°F (2°C).

Humidity

December is the most humid month, with an average relative humidity of 76%.

Rainfall

In Prospect Hill, in December, during 9.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Prospect Hill, during the entire year, the rain falls for 151.7 days and collects up to 28.82" (732mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Prospect Hill. In Prospect Hill, North Carolina, in December, during 1 snowfall days, 1.89" (48mm) of snow is typically accumulated. In Prospect Hill, during the entire year, snow falls for 7.5 days and aggregates up to 7.01" (178mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Prospect Hill.
On the first day of the month, sunrise is at 7:10 am and sunset at 5:02 pm. On the last day of December, in Prospect Hill, North Carolina, sunrise is at 7:27 am and sunset at 5:12 pm EST.

Sunshine

The month with the least sunshine in Prospect Hill, North Carolina, is December, with an average of 5.5h of sunshine.

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 the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the average December temperature in Prospect Hill?

An average high-temperature, in December, in Prospect Hill, is 50.2°F (10.1°C) and the average low-temperature is 35.6°F (2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the most humid month in Prospect Hill?

With an average relative humidity of 76%, December is the most humid month in Prospect Hill.

What is the average humidity in December in Prospect Hill?

In Prospect Hill, the average relative humidity in December is 76%.

How many days does it rain in December in Prospect Hill?

In Prospect Hill, in December, it is raining for 9.6 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in December in Prospect Hill?

In Prospect Hill, North Carolina, in December, snow falls for 1 days, with typically accumulated 1.89" (48mm) of snow.

What is the month with the shortest days in Prospect Hill?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

How many hours of daylight does Prospect Hill have in December?

The average day length in December in Prospect Hill is 9h and 44min.

What time are sunrise and sunset in December in Prospect Hill?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 5:02 pm. On the last day of the month, in Prospect Hill, North Carolina, sunrise is at 7:27 am and sunset at 5:12 pm EST.

What is the month with the least sunshine in Prospect Hill?

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

How long on average sun shines in December in Prospect Hill?

In December, the average sunshine duration in Prospect Hill, North Carolina, is 5.5h.

When is the lowest UV index in Prospect Hill?

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

What is the UV index intensity in December in Prospect Hill?

The average daily maximum UV index in December in Prospect Hill is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Prospect Hill, NC

Average temperature in December - Prospect Hill, NC
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Prospect Hill, NC

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Prospect Hill, NC

Average wind speed in December - Prospect Hill, NC
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Prospect Hill, NC

Average humidity in December - Prospect Hill, NC
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in December
Prospect Hill, NC

Average rainfall in December - Prospect Hill, NC
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Prospect Hill, NC

Average rainfall days in December - Prospect Hill, NC
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Prospect Hill, NC

Average snowfall in December - Prospect Hill, NC
  • Average snowfall in December: 1.89"

The month with the highest snowfall is January (2.2").
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
Prospect Hill, NC

Average snowfall days in December - Prospect Hill, NC
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.7 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
Prospect Hill, NC

Average daylight in December / Average sunshine in December - Prospect Hill, NC
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Prospect Hill, NC

Average sunshine days in December - Prospect Hill, NC
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Prospect Hill, NC

Average UV index in December - Prospect Hill, NC
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in December
Prospect Hill, NC

Average cloud cover in December - Prospect Hill, NC
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in December
Prospect Hill, NC

Average visibility in December - Prospect Hill, NC
  • 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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Prospect Hill, North Carolina, USA

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