December weather - Winter 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average snowfall in December
Average snowfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside

Weather in December

December wraps up the year in Oklahoma City, bringing with it low temperatures and an increase in snowfall. The shorter days and longer nights contribute to the city's winter wonderland aesthetics during the holiday season. Despite the cold, December brings a sense of warmth and joviality with the holiday fervor taking over the city. The onset of snowfall marks the official arrival of winter, and residents embrace the chill in the air. Finally, speaking of temperatures, the December range from 49.1°F (9.5°C) to 33.4°F (0.8°C) signifies the return to chilly conditions, bidding farewell to the year.

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a moderate 59.5°F (15.3°C) in November to a chilly 49.1°F (9.5°C). An average low-temperature of 33.4°F (0.8°C) marks the month of December.

Humidity

The average relative humidity in December in Oklahoma City is 66%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 1.7 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, there are 8.1 snowfall days, and 3.54" (90mm) 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 December, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:27 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 6h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In Oklahoma City, in December, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 33.4°F (0.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 89.6°F (32°C).

What is the average humidity in December?

In Oklahoma City, Oklahoma, the average relative humidity in December is 66%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 6.1 days and accumulates 0.91" (23mm) of precipitation.

How many days does it rain in December?

In Oklahoma City, during December, the rain falls for 6.1 days and regularly aggregates up to 0.91" (23mm) of precipitation.

How many days does it snow in December?

In Oklahoma City, during December, snow falls for 1.7 days and regularly aggregates up to 0.51" (13mm) of snow.

What is the month with the shortest days in Oklahoma City?

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 December, the average day length is 9h and 49min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:27 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6h of sunshine.

How long on average sun shines in December?

In Oklahoma City, the average sunshine duration in December is 6h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

59.5°F 15.3°C

49.1°F 9.5°C

48.6°F 9.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.2mph 19.6km/h

11.2mph 18km/h

11.9mph 19.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

21.8

22.8

24.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Oklahoma City, OK

Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.6°F).

Average low temperature in December: 33.4°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in December
Oklahoma City, 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
Oklahoma City, OK

Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in December
Oklahoma City, OK

Average humidity in December: 66%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).

Average rainfall in December
Oklahoma City, OK

Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in December
Oklahoma City, OK

Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Oklahoma City, OK

Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Oklahoma City, OK

Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Oklahoma City, 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

The months with the most sunshine are July and August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6h).

Average sunshine days in December
Oklahoma City, OK

Average sunshine days in December: 22.8 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).

Average UV index in December
Oklahoma City, 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
Oklahoma City, OK

Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Oklahoma City, 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).

December weather forecast
Oklahoma City, OK

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