December weather forecastPernell, OK
December
Weather in December
The first month of the winter, December, is still a cool month in Pernell, Oklahoma, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 50.9°F (10.5°C).Temperature
With December's onset, the average high-temperature recedes from November's enjoyable 61.3°F (16.3°C) to a fresh 50.9°F (10.5°C). In the month of December, Pernell's average low-temperature falls to an icy 35.1°F (1.7°C).Humidity
The average relative humidity in December is 66%.Rainfall
In December, the rain falls for 6.3 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 124.2 rainfall days, and 25.43" (646mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pernell are January through April, November and December. In Pernell, during December, snow falls for 1.4 days and regularly aggregates up to 0.98" (25mm) of snow. In Pernell, during the entire year, snow falls for 6.4 days and aggregates up to 3.74" (95mm) of snow.Daylight
The month with the shortest days in Pernell is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:19 pm. On the last day of December, in Pernell, sunrise is at 7:36 am and sunset at 5:30 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pernell, OK
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in December: 35.1°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 (33.4°F).
Average pressure in December
Pernell, 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 (29.88"Hg).
Average wind speed in December
Pernell, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).
Average humidity in December
Pernell, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Pernell, OK
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and November (1.1").
Average rainfall days in December
Pernell, OK
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Pernell, OK
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Pernell, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.5 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
Pernell, OK
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 6min
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).
Average sunshine days in December
Pernell, OK
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Pernell, 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).
Average cloud cover in December
Pernell, OK
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Pernell, 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).





