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

A bridge over the Arkansas River overlooking the scenic Tulsa city in Oklahoma

Weather in December

December welcomes the full arrival of winter in Tulsa, Oklahoma, with temperatures consistently falling compared to November. The weather becomes significantly colder with an increased chance of snowfall, providing a characteristic winter scenario. Despite being the month with the shortest daylight hours, the festive spirit of the holiday season brightens up Tulsa. The winds persist, occasionally gusting, and add an extra chilling factor to the already dropping temperatures.

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's mild 59°F (15°C) to a frosty 48.6°F (9.2°C). In December, the temperature in Tulsa drops to an average of 34.5°F (1.4°C) at night.

Humidity

In Tulsa, the average relative humidity in December is 69%.

Rainfall

In December, the rain falls for 4.9 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 117.1 rainfall days, and 20.28" (515mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Tulsa, in December, snow falls for 1 days, with typically accumulated 0.24" (6mm) of snow. In Tulsa, during the entire year, snow falls for 6.1 days and aggregates up to 1.85" (47mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:17 am and sunset at 5:09 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:19 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.6h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

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

Frequently asked questions

What is the temperature in December?

The average high-temperature, in December, in Tulsa, is 48.6°F (9.2°C), while the average low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 69%.

How much does it rain in Tulsa in December?

In Tulsa, during December, the rain falls for 4.9 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In Tulsa, during December, snow falls for 1 days and regularly aggregates up to 0.24" (6mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In Tulsa, the average day length in December is 9h and 45min.

When are sunrise and sunset in December?

On the first day of December in Tulsa, sunrise is at 7:17 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:19 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.6h of sunshine.

How many hours of sunshine does Tulsa have in December?

In December, the average sunshine duration in Tulsa is 5.6h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December in Tulsa?

In December, the average daily maximum UV index in Tulsa is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from 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°F 15°C

48.6°F 9.2°C

46.6°F 8.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.6mph 17.1km/h

9.9mph 15.9km/h

10.4mph 16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

22.2

22.7

22.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Tulsa, OK

Average high temperature in December: 48.6°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.6°F).

Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in December
Tulsa, 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 (29.89"Hg).

Average wind speed in December
Tulsa, OK

Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

Average humidity in December
Tulsa, OK

Average humidity in December: 69%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, August and October (67%).

Average rainfall in December
Tulsa, OK

Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in December
Tulsa, OK

Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.9 days).

Average snowfall in December
Tulsa, OK

Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Tulsa, OK

Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.4 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
Tulsa, OK

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 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in December
Tulsa, OK

Average sunshine days in December: 22.7 days

The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Tulsa, 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
Tulsa, OK

Average cloud cover in December: 36

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Tulsa, 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
Tulsa, OK

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