Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December ushers in a slight temperature change, with average high-temperatures reducing from November's mild 57.7°F (14.3°C) to a chilly 46.6°F (8.1°C). An average low-temperature of 30.7°F (-0.7°C) marks the month of December in Grainville.Humidity
In December, the average relative humidity is 68%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Grainville. In December, in Grainville, it is snowing for 1.4 days. Throughout December, 0.31" (8mm) of snow is accumulated. In Grainville, during the entire year, snow falls for 7.6 days and aggregates up to 2.6" (66mm) of snow.Daylight
December has the shortest days of the year in Grainville, Oklahoma, with an average of 9h and 42min of daylight.On the first day of December in Grainville, sunrise is at 7:23 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:22 pm CST.
Sunshine
The months with the least sunshine in Grainville are January and December, with an average of 6.2h of sunshine.UV index
The months with the lowest UV index in Grainville, Oklahoma, are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Stay sun-safe with clothing that is both closely woven and worn loosely. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are December temperatures in Grainville?
What is the average humidity in December in Grainville?
What is the driest month in Grainville?
How many days does it rain in December in Grainville?
How much does it snow in Grainville in December?
What is the month with the shortest days in Grainville?
What is the average length of the day in December in Grainville?
When are sunrise and sunset in December in Grainville?
What is the month with the least sunshine in Grainville?
How long on average sun shines in December in Grainville?
What is the month with the lowest UV index in Grainville?
What is the UV index intensity in December in Grainville?
Average temperature in December
Grainville, OK
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Grainville, 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
Grainville, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Grainville, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall in December
Grainville, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Grainville, OK
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Grainville, OK
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Grainville, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grainville, OK
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Grainville, OK
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in December
Grainville, 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
Grainville, OK
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Grainville, 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).
Grainville, Oklahoma, USA
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