December weather forecast
Etna, OK

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Weather in December

The first month of the winter, December, is also a frosty month in Etna, Oklahoma, with an average temperature fluctuating between 30.9°F (-0.6°C) and 47.7°F (8.7°C).

Temperature

Etna's weather in December involves a decrease in the average high-temperature, moving down from November's refreshing 58.6°F (14.8°C) to a chilly 47.7°F (8.7°C). Etna experiences a nighttime temperature average of 30.9°F (-0.6°C) during December.

Humidity

In Etna, the average relative humidity in December is 67%.

Rainfall

The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Etna, in December, during 1.8 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Etna, Oklahoma, during the entire year, snow falls for 10.5 days and aggregates up to 4.02" (102mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:26 pm CST.

Sunshine

November and December, with an average of 6.3h of sunshine, are months with the least sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The high-temperature during December is 47.7°F (8.7°C) and the low-temperature is 30.9°F (-0.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 67%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in December?

In Etna, in December, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in December?

In December, in Etna, Oklahoma, it is snowing for 1.8 days. Throughout December, 0.43" (11mm) of snow is accumulated.

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.

How many hours of daylight does Etna have in December?

In December, the average day length in Etna is 9h and 44min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of the month, in Etna, sunrise is at 7:42 am and sunset at 5:26 pm CST.

What are the months with the least sunshine in Etna?

The months with the least sunshine are November and December, with an average of 6.3h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 6.3h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Etna, 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 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
Etna, OK

Average temperature in December - Etna, OK
  • Average high temperature in December: 47.7°F

The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.1°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Etna, OK

Average pressure in December - Etna, 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 (29.86"Hg).

Average wind speed in December
Etna, OK

Average wind speed in December - Etna, OK
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in December
Etna, OK

Average humidity in December - Etna, OK
  • Average humidity in December: 67%

The month with the highest relative humidity is May (69%).
The months with the lowest relative humidity are July and August (56%).

Average rainfall in December
Etna, OK

Average rainfall in December - Etna, OK
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in December
Etna, OK

Average rainfall days in December - Etna, OK
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Etna, OK

Average snowfall in December - Etna, OK
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Etna, OK

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

The month with the highest number of snowfall days is February (3.3 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
Etna, OK

Average daylight in December / Average sunshine in December - Etna, 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: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

Average sunshine days in December
Etna, OK

Average sunshine days in December - Etna, OK
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Etna, OK

Average UV index in December - Etna, 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
Etna, OK

Average cloud cover in December - Etna, OK
  • Average cloud cover in December: 29

The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).

Average visibility in December
Etna, OK

Average visibility in December - Etna, 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).

Etna, Oklahoma, USA

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