December weather forecastSperry, OK
December
Weather in December
December, the first month of the winter in Sperry, is still a chilly month, with an average temperature fluctuating between 47.8°F (8.8°C) and 34.2°F (1.2°C).Temperature
Sperry's average high-temperature decreases in December, falling from a moderate 58.5°F (14.7°C) in November to a frosty 47.8°F (8.8°C). Sperry's average low-temperature in December is measured at a cold 34.2°F (1.2°C).Humidity
In Sperry, the average relative humidity in December is 69%.Rainfall
In December, in Sperry, the rain falls for 6.4 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Sperry, during the entire year, the rain falls for 130.4 days and collects up to 28.86" (733mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Sperry, in December, snow falls for 0.8 days, with typically accumulated 0.31" (8mm) of snow. In Sperry, during the entire year, snow falls for 5.2 days and aggregates up to 3.15" (80mm) of snow.Daylight
December has the shortest days of the year in Sperry, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:19 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sperry, OK
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Sperry, 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
Sperry, OK
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Sperry, OK
- Average humidity in December: 69%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and October (67%).
Average rainfall in December
Sperry, OK
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (5.16").
The driest months (with the least rainfall) are January and November (1.14").
Average rainfall days in December
Sperry, OK
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Sperry, OK
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sperry, OK
- Average snowfall days in December: 0.8 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sperry, 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: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Sperry, OK
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Sperry, 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
Sperry, OK
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Sperry, 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).
