December weather forecast
Carnegie, OK

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Weather in December

The first month of the winter, December, is still a cool month in Carnegie, Oklahoma, with an average temperature fluctuating between 50°F (10°C) and 32.9°F (0.5°C).

Temperature

The coldest period, with an average high-temperature of 50°F (10°C), falls in January and December.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Carnegie, in December, during 4.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 21.54" (547mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Carnegie, in December, snow falls for 1.8 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 7 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:33 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6.3h of sunshine.

UV index

The month with the lowest UV index in Carnegie is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the coldest month?

January and December, when the average high-temperature reaches 50°F (10°C), are the coldest months.

What are December temperatures?

In December, the average high-temperature and low-temperature are 50°F (10°C) and 32.9°F (0.5°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In Carnegie, the average relative humidity in December is 64%.

How many days does it rain in December?

In Carnegie, during December, the rain falls for 4.8 days and regularly aggregates up to 0.91" (23mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 1.8 days. Throughout December, 0.63" (16mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Carnegie is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Carnegie have in December?

The average day length in December is 9h and 50min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:33 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.3h of sunshine.

How many hours of sunshine does Carnegie have in December?

The average sunshine duration in December is 6.3h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Carnegie, OK

Average temperature in December - Carnegie, OK
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The months with the lowest average high temperature are January and December (50°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

Average pressure in December
Carnegie, OK

Average pressure in December - Carnegie, OK
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Carnegie, OK

Average wind speed in December - Carnegie, OK
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity in December
Carnegie, OK

Average humidity in December - Carnegie, OK
  • Average humidity in December: 64%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (54%).

Average rainfall in December
Carnegie, OK

Average rainfall in December - Carnegie, OK
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in December
Carnegie, OK

Average rainfall days in December - Carnegie, OK
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (4 days).

Average snowfall in December
Carnegie, OK

Average snowfall in December - Carnegie, OK
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Carnegie, OK

Average snowfall days in December - Carnegie, OK
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Carnegie, OK

Average daylight in December / Average sunshine in December - Carnegie, OK
  • 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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in December
Carnegie, OK

Average sunshine days in December - Carnegie, OK
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (13.7 days).

Average UV index in December
Carnegie, OK

Average UV index in December - Carnegie, OK
  • Average UV index in December: 2

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

Average cloud cover in December
Carnegie, OK

Average cloud cover in December - Carnegie, OK
  • Average cloud cover in December: 28

The months with the most cloud cover are March and April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Carnegie, OK

Average visibility in December - Carnegie, OK
  • 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).

Carnegie, Oklahoma, USA

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