Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The average high-temperature in Norman, Oklahoma, drops in December, from November's mild 59.9°F (15.5°C) to a frosty 49.5°F (9.7°C). Norman experiences a mean low-temperature of 34.3°F (1.3°C) during December.Humidity
In December, the average relative humidity is 67%.Rainfall
In Norman, in December, during 5.7 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, in Norman, there are 121.1 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Norman, Oklahoma, during December, snow falls for 1.5 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, in Norman, there are 6.9 snowfall days, and 3.19" (81mm) of snow is accumulated.Daylight
The month with the shortest days in Norman is December, with an average of 9h and 48min of daylight.On the first day of December in Norman, Oklahoma, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:28 pm CST.
Sunshine
The month with the least sunshine in Norman is December, with an average of 6h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Norman. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are December temperatures in Norman?
What is the average humidity in December in Norman?
How many days does it rain in December in Norman?
How many days does it snow in December in Norman?
What is the month with the shortest days in Norman?
What is the average length of the day in December in Norman?
When are sunrise and sunset in December in Norman?
What is the month with the least sunshine in Norman?
How many hours of sunshine does Norman have in December?
What is the month with the lowest UV index in Norman?
How high is the UV index in December in Norman?
Average temperature in December
Norman, OK
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in December
Norman, 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 (29.88"Hg).
Average wind speed in December
Norman, OK
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Norman, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Norman, OK
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (3.86").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in December
Norman, OK
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Norman, OK
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Norman, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.2 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
Norman, OK
- Average daylight in December: 9h and 5min
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 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Norman, OK
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Norman, 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
Norman, OK
- Average cloud cover in December: 32
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
Norman, 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).
Norman, Oklahoma, USA
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