December weather forecast
Haileyville, OK

Share

Weather in December

December, the first month of the winter in Haileyville, is still a cool month, with an average temperature ranging between max 50.5°F (10.3°C) and min 35.6°F (2°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a moderate 60.6°F (15.9°C) in November to a cool 50.5°F (10.3°C). Throughout the month of December, the average temperature dips to a cold 35.6°F (2°C) at night.

Humidity

The average relative humidity in December is 73%.

Rainfall

In Haileyville, in December, it is raining for 8.5 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 128.5 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Haileyville, in December, snow falls for 0.7 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 5.6 snowfall days, and 2.28" (58mm) 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 7:12 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:21 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

December temperatures vary between a high-temperature of 50.5°F (10.3°C) and a low-temperature of 35.6°F (2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, 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 73%.

How much does it rain in Haileyville in December?

In Haileyville, during December, the rain falls for 8.5 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How many days does it snow in December?

In Haileyville, during December, snow falls for 0.7 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Haileyville have in December?

In December, the average day length is 9h and 52min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.5h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.5h.

When is the lowest UV index?

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?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to 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
Haileyville, OK

Average temperature in December - Haileyville, OK
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

Average pressure in December
Haileyville, OK

Average pressure in December - Haileyville, 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 (29.91"Hg).

Average wind speed in December
Haileyville, OK

Average wind speed in December - Haileyville, OK
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in December
Haileyville, OK

Average humidity in December - Haileyville, OK
  • Average humidity in December: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (67%).

Average rainfall in December
Haileyville, OK

Average rainfall in December - Haileyville, OK
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in December
Haileyville, OK

Average rainfall days in December - Haileyville, OK
  • Average rainfall days in December: 8.5 days

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

Average snowfall in December
Haileyville, OK

Average snowfall in December - Haileyville, OK
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Haileyville, OK

Average snowfall days in December - Haileyville, OK
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.2 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
Haileyville, OK

Average daylight in December / Average sunshine in December - Haileyville, 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 54min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Haileyville, OK

Average sunshine days in December - Haileyville, OK
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is July (14.4 days).

Average UV index in December
Haileyville, OK

Average UV index in December - Haileyville, OK
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Haileyville, OK

Average cloud cover in December - Haileyville, OK
  • Average cloud cover in December: 38

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Haileyville, OK

Average visibility in December - Haileyville, 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).

Haileyville, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location