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 37.2°F (2.9°C) and 52.3°F (11.3°C).

Temperature

In Graham, entering December brings a temperature decrement, reducing from November's comfortable 61.7°F (16.5°C) to a cool 52.3°F (11.3°C). The temperature in Graham dips to an average of 37.2°F (2.9°C) during December nights.

Humidity

The average relative humidity in December in Graham 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, in December, during 1 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 4.6 snowfall days, and 1.65" (42mm) of snow is accumulated.

Daylight

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

Sunshine

With an average of 5.9h of sunshine, December has the least sunshine of the year in Graham.

UV index

The month with the lowest UV index in Graham is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the average December temperature in Graham?

The average high-temperature and low-temperature during December are 52.3°F (11.3°C) and 37.2°F (2.9°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in December in Graham?

In December, the average relative humidity in Graham is 68%.

What is the driest month in Graham?

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

How many days does it rain in December in Graham?

In Graham, Oklahoma, in December, during 6.8 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How much does it snow in Graham 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 in Graham?

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

What is the average length of the day in December in Graham?

In December, the average day length in Graham, Oklahoma, is 9h and 55min.

When are sunrise and sunset in December in Graham?

On the first day of December in Graham, 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 in Graham?

With an average of 5.9h of sunshine, December has the least sunshine of the year in Graham.

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 in Graham?

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

What is the UV index intensity in December in Graham?

In Graham, the average daily maximum UV index in December is 2. A UV Index reading 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Graham, Oklahoma, USA

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