December weather forecast
Calumet, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Calumet, Oklahoma, with an average temperature ranging between max 49.1°F (9.5°C) and min 32.4°F (0.2°C).

Temperature

December indicates a shift in the average high-temperature, from November's mild 59°F (15°C) to a frosty 49.1°F (9.5°C). During December, Calumet witnesses a consistent average low-temperature of 32.4°F (0.2°C).

Humidity

The average relative humidity in December is 67%.

Rainfall

December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Calumet, during December, snow falls for 1.5 days and regularly aggregates up to 0.55" (14mm) of snow. In Calumet, during the entire year, snow falls for 7.7 days and aggregates up to 2.76" (70mm) of snow.

Daylight

The month with the shortest days in Calumet is December, with an average of 9h and 48min of daylight.
On the first day of December in Calumet, sunrise is at 7:24 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:29 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6.1h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the usual temperature for Calumet in December?

The high-temperature, in December, in Calumet, is 49.1°F (9.5°C), while the low-temperature averages to 32.4°F (0.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 89.6°F (32°C).

What is the average humidity in December in Calumet?

The average relative humidity in December in Calumet, Oklahoma, is 67%.

What is the driest month in Calumet?

The month with the least rainfall in Calumet is December, when the rain falls for 4.5 days and typically collects 0.59" (15mm) of precipitation.

How many days does it rain in December in Calumet?

In Calumet, Oklahoma, in December, during 4.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in December in Calumet?

In Calumet, Oklahoma, during December, snow falls for 1.5 days and regularly aggregates up to 0.55" (14mm) of snow.

What is the month with the shortest days in Calumet?

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

How many hours of daylight does Calumet have in December?

The average day length in December in Calumet, Oklahoma, is 9h and 48min.

When is the sunrise / sunset in December in Calumet?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 5:19 pm. On the last day of the month, in Calumet, sunrise is at 7:41 am and sunset at 5:29 pm CST.

What is the month with the least sunshine in Calumet?

December has the least sunshine of the year, with an average of 6.1h of sunshine.

How long on average sun shines in December in Calumet?

The average sunshine duration in December in Calumet is 6.1h.

What is the month with the lowest UV index in Calumet?

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

What is the UV index intensity in December in Calumet?

The average daily maximum UV index in December in Calumet is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Calumet, OK

Average temperature in December - Calumet, OK
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Calumet, OK

Average pressure in December - Calumet, 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 (29.87"Hg).

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Average wind speed in December
Calumet, OK

Average wind speed in December - Calumet, OK
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in December
Calumet, OK

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

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in December
Calumet, OK

Average rainfall in December - Calumet, OK
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in December
Calumet, OK

Average rainfall days in December - Calumet, OK
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in December
Calumet, OK

Average snowfall in December - Calumet, OK
  • Average snowfall in December: 0.55"

The months with the highest snowfall are January and February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Calumet, OK

Average snowfall days in December - Calumet, OK
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.2 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
Calumet, OK

Average daylight in December / Average sunshine in December - Calumet, 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 48min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

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Average sunshine days in December
Calumet, OK

Average sunshine days in December - Calumet, OK
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (15.7 days).

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Average UV index in December
Calumet, OK

Average UV index in December - Calumet, 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
Calumet, OK

Average cloud cover in December - Calumet, OK
  • Average cloud cover in December: 31

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in December
Calumet, OK

Average visibility in December - Calumet, 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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Calumet, Oklahoma, USA

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