December weather forecast and climate
Norman, NC

December, the first month of the winter, in Norman, is still a cool month, with average temperature fluctuating between 38.1°F (3.4°C) and 53.4°F (11.9°C).

Temperature

In December, the average high-temperature slightly decreases, from a moderate 60.1°F (15.6°C) in November, to a fresh 53.4°F (11.9°C). In Norman, in December, the average low-temperature is 38.1°F (3.4°C).

Humidity

The most humid month is December, with an average relative humidity of 76%.

Rainfall

In Norman, during December, the rain falls for 11.4 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Norman, during the entire year, the rain falls for 159.1 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Norman. In Norman, snow falls for 0.3 days, with typically accumulated 0.91" (23mm) of snow. In Norman, during the entire year, snow falls for 4.1 days, and aggregates up to 2.99" (76mm) of snow.

Daylight

December has the shortest days of the year in Norman, with an average of 9.8h of daylight.

Sunshine

Months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Norman?

In December, in Norman, the average high-temperature is 53.4°F (11.9°C), and the average low-temperature is 38.1°F (3.4°C).

What is the most humid month in Norman?

With an average relative humidity of 76%, December is the most humid month in Norman, North Carolina.

What is the average humidity in December in Norman?

In December, the average relative humidity in Norman is 76%.

How much does it rain in Norman in December?

In December, in Norman, the rain falls for 11.4 days. Throughout December, 2.8" (71mm) of precipitation is accumulated.

How much does it snow in Norman in December?

In Norman, North Carolina, in December, during 0.3 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in Norman?

With an average of 9.8h of daylight, December has the shortest days of the year in Norman, North Carolina.

What is the average length of the day in December in Norman?

The average length of the day in December in Norman is 9.8h.

What is the month with the least sunshine in Norman?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Norman, North Carolina.

How long on average sun shines in December in Norman?

The average sunshine in December in Norman, North Carolina, is 5.5h.

How high is the UV index in December in Norman?

In December, the average daily maximum UV index in Norman, North Carolina, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Norman, NC
  • Average high temperature in December: 11.9°C

The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (9.6°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is July (21.6°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in December - Norman, NC
  • Average pressure in December: 1020.6mbar

The month with the highest atmospheric pressure is November (1021mbar).
The month with the lowest atmospheric pressure is June (1014.8mbar).

Average wind speed in December - Norman, NC
  • Average wind speed in December: 9.6km/h

The windiest month (with the highest average wind speed) is April (12km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity in December - Norman, NC
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December - Norman, NC
  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is October (48mm).

Average rainfall days in December - Norman, NC
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December - Norman, NC
  • Average snowfall in December: 23mm

The month with the highest snowfall is February (26mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Norman, NC
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.5 days).
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 - Norman, NC
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is July (Average sunshine: 10.8h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

Average sunshine days in December - Norman, NC
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is October (20.1 days).
Months with the least sunshine days are July and August (11.4 days).

Average UV index in December - Norman, NC
  • Average UV index in December: 3

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December - Norman, NC
  • Average cloud cover in December: 42

Months with the most cloud cover are February, March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December - Norman, NC
  • Average visibility in December: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).