December weather forecastGrainola, OK
December
Weather in December
December, the first month of the winter in Grainola, is also a frosty month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 46.8°F (8.2°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's mild 57.7°F (14.3°C) to a chilly 46.8°F (8.2°C). During December, Grainola experiences an average low-temperature of 31.6°F (-0.2°C) at night.Humidity
In Grainola, the average relative humidity in December is 68%.Rainfall
December is the month with the least rainfall. Rain falls for 3.6 days and accumulates 0.24" (6mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Grainola, in December, snow falls for 0.7 days, with typically accumulated 0.08" (2mm) of snow. In Grainola, Oklahoma, during the entire year, snow falls for 5.8 days and aggregates up to 0.71" (18mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:20 pm CST.
Sunshine
January and December, with an average of 6.1h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grainola, OK
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Grainola, 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 (29.87"Hg).
Average wind speed in December
Grainola, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in December
Grainola, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Grainola, OK
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in December
Grainola, OK
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).
Average snowfall in December
Grainola, OK
- Average snowfall in December: 0.08"
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Grainola, OK
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grainola, OK
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in December
Grainola, OK
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in December
Grainola, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Grainola, OK
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Grainola, 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).
