December weather forecastHaileyville, OK
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 54min
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 30min
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: 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: 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: 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: 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).
