December weather forecastJenks, OK

December

Weather in December

December concludes the year in Jenks, Oklahoma with a return to winter. The chilling temperatures, potentially dipping to 34.5°F (1.4°C) embody the spirit of winter. Snowflakes make an appearance again after a long pause, dressing the city in a beautiful white blanket. The daylight hours reduce significantly, bringing shorter days and longer nights. All in all, December weather carries a mild and enjoyable winter chill.

Temperature

December brings a decrease in the average high-temperature, shifting from a moderate 59.4°F (15.2°C) in November to a chilly 48.7°F (9.3°C). During December, the average low-temperature is recorded at an icy 34.5°F (1.4°C).

Humidity

The average relative humidity in December in Jenks is 69%.

Rainfall

In Jenks, in December, it is raining for 6.6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 129.7 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Jenks, Oklahoma, during December, snow falls for 0.8 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, there are 5.2 snowfall days, and 2.76" (70mm) 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 7:16 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:20 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Jenks. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Jenks in December has an average high-temperature of 48.7°F (9.3°C) and an average low-temperature of 34.5°F (1.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 89.6°F (32°C).

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

In December, the rain falls for 6.6 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

In December, it is snowing for 0.8 days. Throughout December, 0.28" (7mm) of snow is accumulated.

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

In Jenks, Oklahoma, the average day length in December is 9h and 46min.

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:20 pm CST.

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

The average sunshine duration in December is 5.6h.

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

In Jenks, 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 exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Jenks, OK

  • Average high temperature in December: 48.7°F

The warmest month (with the highest average high temperature) is July (91.4°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 (72.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in December
Jenks, 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
Jenks, OK

  • Average wind speed in December: 9.1mph

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

Average humidity in December
Jenks, OK

  • Average humidity in December: 69%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).

Average rainfall in December
Jenks, OK

  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (5.16").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in December
Jenks, OK

  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in December
Jenks, OK

  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Jenks, OK

  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.9 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
Jenks, OK

  • Average daylight in December: 9h and 48min

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 48min).

  • Average sunshine in December: 5h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in December
Jenks, OK

  • Average sunshine days in December: 22.1 days

The months with the most sunshine days are January and December (22.1 days).
The month with the least sunshine days is May (13.9 days).

Average UV index in December
Jenks, 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
Jenks, OK

  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Jenks, 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).