December weather forecast
Gerty, OK

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Weather in December

December, the first month of the winter in Gerty, is still a chilly month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 49.6°F (9.8°C).

Temperature

The start of December involves a temperature drop, moving from a moderate 60.1°F (15.6°C) in November to a chilly 49.6°F (9.8°C). Gerty's nighttime temperature in December drops to an average of 35.6°F (2°C).

Humidity

The average relative humidity in December is 70%.

Rainfall

In Gerty, in December, during 7.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Gerty, during the entire year, the rain falls for 131 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Gerty, during December, snow falls for 1 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 5.7 snowfall days, and 3.15" (80mm) of snow is accumulated.

Daylight

The month with the shortest days in Gerty is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:24 pm CST.

Sunshine

With an average of 5.7h of sunshine, December has the least sunshine of the year.

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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In December, in Gerty, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 35.6°F (2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 70%.

How many days does it rain in December?

In December, the rain falls for 7.7 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

How much does it snow in December?

In Gerty, during December, snow falls for 1 days and regularly aggregates up to 0.31" (8mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

In Gerty, the average day length in December is 9h and 52min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:24 pm CST.

What is the month with the least sunshine?

With an average of 5.7h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Gerty have in December?

The average sunshine duration in December is 5.7h.

When is 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 Gerty, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
Gerty, OK

Average temperature in December - Gerty, OK
  • Average high temperature in December: 49.6°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 35.6°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 (33.3°F).

Average pressure in December
Gerty, OK

Average pressure in December - Gerty, 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
Gerty, OK

Average wind speed in December - Gerty, OK
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in December
Gerty, OK

Average humidity in December - Gerty, OK
  • Average humidity in December: 70%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Gerty, OK

Average rainfall in December - Gerty, OK
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Gerty, OK

Average rainfall days in December - Gerty, OK
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Gerty, OK

Average snowfall in December - Gerty, OK
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Gerty, OK

Average snowfall days in December - Gerty, OK
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.1 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
Gerty, OK

Average daylight in December / Average sunshine in December - Gerty, 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 54min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Gerty, OK

Average sunshine days in December - Gerty, OK
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).

Average UV index in December
Gerty, OK

Average UV index in December - Gerty, 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
Gerty, OK

Average cloud cover in December - Gerty, OK
  • Average cloud cover in December: 35

The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Gerty, OK

Average visibility in December - Gerty, 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).

Gerty, Oklahoma, USA

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