December weather forecastGriggs, OK
December
Weather in December
December, the first month of the winter in Griggs, is still a chilly month, with an average temperature varying between 47.7°F (8.7°C) and 28.6°F (-1.9°C).Temperature
In Griggs, Oklahoma, December is the month with the lowest recorded average temperatures, measuring a high of 47.7°F (8.7°C) and a low of 28.6°F (-1.9°C).Humidity
December is the most humid month, with an average relative humidity of 56%.Rainfall
In December, the rain falls for 3 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. In Griggs, Oklahoma, during the entire year, the rain falls for 82.6 days and collects up to 11.81" (300mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Griggs, during December, snow falls for 2.3 days and regularly aggregates up to 0.91" (23mm) of snow. In Griggs, during the entire year, snow falls for 13.7 days and aggregates up to 6.1" (155mm) 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 7:42 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:43 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.8h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Griggs. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Griggs, OK
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in December
Griggs, OK
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Griggs, OK
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).
Average humidity in December
Griggs, OK
- Average humidity in December: 56%
The month with the highest relative humidity is December (56%).
The months with the lowest relative humidity are March, April and June (43%).
Average rainfall in December
Griggs, OK
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is July (1.93").
The driest months (with the least rainfall) are February and November (0.35").
Average rainfall days in December
Griggs, OK
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in December
Griggs, OK
- Average snowfall in December: 0.91"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Griggs, OK
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Griggs, OK
- Average daylight in December: 9h and 42min
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 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Griggs, OK
- Average sunshine days in December: 25.9 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is August (15.5 days).
Average UV index in December
Griggs, 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
Griggs, OK
- Average cloud cover in December: 23
The months with the most cloud cover are February and April (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in December
Griggs, 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).





