December weather forecast
Henryetta, OK

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Weather in December

December, the first month of the winter in Henryetta, is still a chilly month, with an average temperature varying between 35.2°F (1.8°C) and 49.5°F (9.7°C).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's refreshing 59.9°F (15.5°C) to a frosty 49.5°F (9.7°C). Henryetta reports a consistent average low-temperature of 35.2°F (1.8°C) throughout December nights.

Humidity

The average relative humidity in December in Henryetta is 70%.

Rainfall

In Henryetta, in December, during 7.7 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Henryetta, during the entire year, the rain falls for 132.2 days and collects up to 29.49" (749mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Henryetta, it is snowing for 1.4 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, there are 5.8 snowfall days, and 2.91" (74mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:21 pm CST.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are December temperatures in Henryetta?

In December, in Henryetta, the average high-temperature is 49.5°F (9.7°C), and the average low-temperature is 35.2°F (1.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 91.4°F (33°C).

What is the average humidity in December in Henryetta?

In Henryetta, the average relative humidity in December is 70%.

How many days does it rain in December in Henryetta?

In Henryetta, during December, the rain falls for 7.7 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in Henryetta in December?

In December, in Henryetta, Oklahoma, it is snowing for 1.4 days. Throughout December, 0.51" (13mm) of snow is accumulated.

What is the month with the shortest days in Henryetta?

December has the shortest days of the year in Henryetta, Oklahoma, with an average of 9h and 48min of daylight.

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

The average day length in December in Henryetta, Oklahoma, is 9h and 49min.

When is the sunrise / sunset in December in Henryetta?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:11 pm. On the last day of the month, in Henryetta, Oklahoma, sunrise is at 7:32 am and sunset at 5:21 pm CST.

What is the month with the least sunshine in Henryetta?

With an average of 5.6h of sunshine, December has the least sunshine of the year in Henryetta, Oklahoma.

How many hours of sunshine does Henryetta have in December?

In December, the average sunshine duration in Henryetta, Oklahoma, is 5.6h.

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

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

What is the UV index reading in December in Henryetta?

In December, the average daily maximum UV index in Henryetta is 2. A UV Index of 2, and less, symbolizes 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
Henryetta, OK

Average temperature in December - Henryetta, OK
  • Average high temperature in December: 49.5°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in December: 35.2°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 (32.2°F).

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Average pressure in December
Henryetta, OK

Average pressure in December - Henryetta, 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 (29.9"Hg).

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Average wind speed in December
Henryetta, OK

Average wind speed in December - Henryetta, OK
  • Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in December
Henryetta, OK

Average humidity in December - Henryetta, 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 (66%).

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Average rainfall in December
Henryetta, OK

Average rainfall in December - Henryetta, OK
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in December
Henryetta, OK

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

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.9 days).

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Average snowfall in December
Henryetta, OK

Average snowfall in December - Henryetta, OK
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Henryetta, OK

Average snowfall days in December - Henryetta, OK
  • Average snowfall days in December: 1.4 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 and September (0 days).

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

Average daylight in December / Average sunshine in December - Henryetta, 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: 5h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Henryetta, OK

Average sunshine days in December - Henryetta, OK
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are April and May (14.4 days).

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Average UV index in December
Henryetta, OK

Average UV index in December - Henryetta, 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
Henryetta, OK

Average cloud cover in December - Henryetta, OK
  • Average cloud cover in December: 37

The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Henryetta, OK

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

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