December weather forecastBanner, OK
December
Weather in December
December, the first month of the winter in Banner, is still a chilly month, with an average temperature varying between 49.1°F (9.5°C) and 32.4°F (0.2°C).Temperature
Stepping into December, Banner observes a temperature decline, with the average high falling from November's mild 59°F (15°C) to a frosty 49.1°F (9.5°C). In Banner, December nights cool down to an average of 32.4°F (0.2°C).Humidity
In December, the average relative humidity is 67%.Rainfall
December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.59" (15mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Banner, during December, snow falls for 1.5 days and regularly aggregates up to 0.55" (14mm) of snow. In Banner, Oklahoma, during the entire year, snow falls for 7.7 days and aggregates up to 2.76" (70mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:22 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:29 pm CST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Banner, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Banner, 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
Banner, OK
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Banner, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Banner, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Banner, OK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Banner, OK
- Average snowfall in December: 0.55"
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
Banner, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.2 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
Banner, OK
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Banner, OK
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (15.7 days).
Average UV index in December
Banner, 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
Banner, 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
Banner, 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).
