December weather forecastCedar Valley, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Cedar Valley, Oklahoma, with an average temperature fluctuating between 48.9°F (9.4°C) and 33.3°F (0.7°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's refreshing 59.5°F (15.3°C) to a frosty 48.9°F (9.4°C). During December, Cedar Valley experiences an average low-temperature of 33.3°F (0.7°C) at night.Humidity
The average relative humidity in December is 66%.Rainfall
The month with the least rainfall in Cedar Valley is December, when the rain falls for 6.1 days and typically collects 0.83" (21mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cedar Valley, in December, snow falls for 1.5 days, with typically accumulated 0.31" (8mm) of snow. In Cedar Valley, during the entire year, snow falls for 7.9 days and aggregates up to 2.83" (72mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:26 pm CST.
Sunshine
With an average of 6.1h 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Valley, OK
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Cedar Valley, 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
Cedar Valley, OK
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Cedar Valley, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Cedar Valley, OK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in December
Cedar Valley, OK
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Cedar Valley, OK
- Average snowfall in December: 0.31"
The months with the highest snowfall are January and February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cedar Valley, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3 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
Cedar Valley, OK
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Cedar Valley, OK
- Average sunshine days in December: 23.6 days
The months with the most sunshine days are January and December (23.6 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in December
Cedar Valley, 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
Cedar Valley, OK
- Average cloud cover in December: 31
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
Cedar Valley, 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).





