December weather forecast
Graham, OK

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Weather in December

The first month of the winter, December, is also a fresh month in Graham, Oklahoma, with an average temperature fluctuating between 52.3°F (11.3°C) and 37.2°F (2.9°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a refreshing 61.7°F (16.5°C) in November to a cool 52.3°F (11.3°C). December is noted for a mean low-temperature of 37.2°F (2.9°C).

Humidity

The average relative humidity in December is 68%.

Rainfall

December is the month with the least rainfall. Rain falls for 6.8 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall. In Graham, during December, snow falls for 1 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 4.6 snowfall days, and 1.65" (42mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:18 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:30 pm CST.

Sunshine

December has the least sunshine of the year in Graham, Oklahoma, with an average of 5.9h 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 threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Graham?

In December, the average high-temperature and low-temperature are 52.3°F (11.3°C) and 37.2°F (2.9°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 68%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 6.8 days and accumulates 1.26" (32mm) of precipitation.

How much does it rain in December?

In December, in Graham, the rain falls for 6.8 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

How much does it snow in December?

In Graham, in December, during 1 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 55min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:30 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.9h of sunshine.

How many hours of sunshine does Graham have in December?

The average sunshine duration in December is 5.9h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Graham, OK

Average temperature in December - Graham, OK
  • Average high temperature in December: 52.3°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in December
Graham, OK

Average pressure in December - Graham, 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 (29.88"Hg).

Average wind speed in December
Graham, OK

Average wind speed in December - Graham, OK
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.5mph).

Average humidity in December
Graham, OK

Average humidity in December - Graham, OK
  • Average humidity in December: 68%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).

Average rainfall in December
Graham, OK

Average rainfall in December - Graham, OK
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is December (1.26").

Average rainfall days in December
Graham, OK

Average rainfall days in December - Graham, OK
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in December
Graham, OK

Average snowfall in December - Graham, OK
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in December
Graham, OK

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

The month with the highest number of snowfall days is February (2 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
Graham, OK

Average daylight in December / Average sunshine in December - Graham, OK
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in December
Graham, OK

Average sunshine days in December - Graham, OK
  • Average sunshine days in December: 22.1 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (14.8 days).

Average UV index in December
Graham, OK

Average UV index in December - Graham, 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
Graham, OK

Average cloud cover in December - Graham, OK
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Graham, OK

Average visibility in December - Graham, 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).

Graham, Oklahoma, USA

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