December weather forecast
Mountain View, NC

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Weather in December

The first month of the winter, December, is still a cool month in Mountain View, North Carolina, with an average temperature varying between 35.2°F (1.8°C) and 50°F (10°C).

Temperature

December's arrival signals a moderate reduction in the average high-temperature, easing from a mild 57.4°F (14.1°C) in November to a fresh 50°F (10°C). Throughout December, Mountain View experiences a low-temperature average of 35.2°F (1.8°C).

Humidity

May and December, with an average relative humidity of 76%, are the most humid months in Mountain View.

Rainfall

In Mountain View, North Carolina, in December, it is raining for 11 days, with typically 3.15" (80mm) of accumulated precipitation. Throughout the year, there are 163.1 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mountain View are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 2.28" (58mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Mountain View, sunrise is at 7:17 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:22 pm EST.

Sunshine

December has the least sunshine of the year in Mountain View, 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 50°F (10°C) and 35.2°F (1.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 98.6°F (37°C).

What are the most humid months?

May and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in December?

In Mountain View, the average relative humidity in December is 76%.

How many days does it rain in December?

In Mountain View, North Carolina, in December, it is raining for 11 days, with typically 3.15" (80mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 2.28" (58mm) of snow.

How much does it snow in December?

In December, it is snowing for 0.8 days. Throughout December, 2.28" (58mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Mountain View have in December?

In Mountain View, the average day length in December is 9h and 47min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:22 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year in Mountain View, North Carolina, with an average of 5.5h of sunshine.

How many hours of sunshine does Mountain View have in December?

In December, the average sunshine duration is 5.5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Mountain View, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Mountain View, NC

Average temperature in December - Mountain View, NC
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Mountain View, NC

Average pressure in December - Mountain View, 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 (29.99"Hg).

Average wind speed in December
Mountain View, NC

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

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
Mountain View, NC

Average humidity in December - Mountain View, NC
  • Average humidity in December: 76%

The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Mountain View, NC

Average rainfall in December - Mountain View, NC
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is October (1.97").

Average rainfall days in December
Mountain View, NC

Average rainfall days in December - Mountain View, NC
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Mountain View, NC

Average snowfall in December - Mountain View, NC
  • Average snowfall in December: 2.28"

The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Mountain View, NC

Average snowfall days in December - Mountain View, NC
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Mountain View, NC

Average daylight in December / Average sunshine in December - Mountain View, 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 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).

Average sunshine days in December
Mountain View, NC

Average sunshine days in December - Mountain View, NC
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (10 days).

Average UV index in December
Mountain View, NC

Average UV index in December - Mountain View, NC
  • Average UV index in December: 2

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

Average cloud cover in December
Mountain View, NC

Average cloud cover in December - Mountain View, NC
  • Average cloud cover in December: 41

The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Mountain View, NC

Average visibility in December - Mountain View, NC
  • Average visibility in December: 6mi

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

Mountain View, North Carolina, USA

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