December weather forecast
Hammon, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Hammon, Oklahoma, with an average temperature fluctuating between 32.2°F (0.1°C) and 49.3°F (9.6°C).

Temperature

The month of December, characterized by an average high of 49.3°F (9.6°C) and a low of 32.2°F (0.1°C), is recognized as the coldest.

Humidity

In December, the average relative humidity is 61%.

Rainfall

In Hammon, Oklahoma, in December, during 3.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 98.4 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hammon are January through April, October through December. In December, it is snowing for 1.8 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, in Hammon, there are 8.6 snowfall days, and 4.37" (111mm) of snow is accumulated.

Daylight

The month with the shortest days in Hammon is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:24 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:34 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What are the coldest months in Hammon?

Temperature readings in Hammon reach their annual highs in December, averaging 49.3°F (9.6°C) and a minimum average of 32.2°F (0.1°C).

What is the temperature in December in Hammon?

December temperatures in Hammon vary between a high-temperature of 49.3°F (9.6°C) and a low-temperature of 32.2°F (0.1°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in December in Hammon?

In Hammon, Oklahoma, the average relative humidity in December is 61%.

How much does it rain in Hammon in December?

In Hammon, Oklahoma, in December, during 3.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How many days does it snow in December in Hammon?

In Hammon, during December, snow falls for 1.8 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the month with the shortest days in Hammon?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

How many hours of daylight does Hammon have in December?

The average day length in December in Hammon is 9h and 47min.

When are sunrise and sunset in December in Hammon?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:24 pm. On the last day of the month, in Hammon, sunrise is at 7:46 am and sunset at 5:34 pm CST.

What is the month with the least sunshine in Hammon?

With an average of 6.5h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Hammon have in December?

In Hammon, the average sunshine duration in December is 6.5h.

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

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

What is the UV index intensity in December in Hammon?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Hammon, OK

Average temperature in December - Hammon, OK
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Hammon, OK

Average pressure in December - Hammon, OK
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Hammon, OK

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

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

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Average humidity in December
Hammon, OK

Average humidity in December - Hammon, OK
  • Average humidity in December: 61%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (51%).

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Average rainfall in December
Hammon, OK

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

The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and February (0.67").

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Average rainfall days in December
Hammon, OK

Average rainfall days in December - Hammon, OK
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is May (12.1 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in December
Hammon, OK

Average snowfall in December - Hammon, OK
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Hammon, OK

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

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Hammon, OK

Average daylight in December / Average sunshine in December - Hammon, 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 3min

The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Hammon, OK

Average sunshine days in December - Hammon, OK
  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (15.1 days).

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Average UV index in December
Hammon, OK

Average UV index in December - Hammon, 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
Hammon, OK

Average cloud cover in December - Hammon, OK
  • Average cloud cover in December: 25

The months with the most cloud cover are March and April (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in December
Hammon, OK

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

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