December weather forecastGerty, OK
December
Weather in December
December, the first month of the winter in Gerty, is still a chilly month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 49.6°F (9.8°C).Temperature
The start of December involves a temperature drop, moving from a moderate 60.1°F (15.6°C) in November to a chilly 49.6°F (9.8°C). Gerty's nighttime temperature in December drops to an average of 35.6°F (2°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Gerty, in December, during 7.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Gerty, during the entire year, the rain falls for 131 days and collects up to 28.39" (721mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Gerty, during December, snow falls for 1 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 5.7 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
The month with the shortest days in Gerty is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:24 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.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 rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gerty, OK
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is August (92.1°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 (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in December
Gerty, 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 (29.89"Hg).
Average wind speed in December
Gerty, OK
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Gerty, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Gerty, OK
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Gerty, OK
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Gerty, OK
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gerty, OK
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.1 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
Gerty, 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 42min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Gerty, OK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Gerty, 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
Gerty, OK
- Average cloud cover in December: 35
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Gerty, 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).





