December weather forecastBruno, OK

December

Weather in December

The first month of the winter, December, is also a fresh month in Bruno, Oklahoma, with an average temperature ranging between max 51.8°F (11°C) and min 37.4°F (3°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a comfortable 61.7°F (16.5°C) in November to a fresh 51.8°F (11°C). An average low-temperature of 37.4°F (3°C) is noted during the nights in December.

Humidity

In Bruno, the average relative humidity in December is 73%.

Rainfall

In Bruno, in December, it is raining for 7.8 days, with typically 0.94" (24mm) of accumulated precipitation. In Bruno, during the entire year, the rain falls for 125.9 days and collects up to 19.49" (495mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.5 days. Throughout December, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 3.8 snowfall days, and 1.22" (31mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:24 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

An average high-temperature, in December, in Bruno, is 51.8°F (11°C) and the average low-temperature is 37.4°F (3°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 93.2°F (34°C).

In Bruno, the average relative humidity in December is 73%.

In Bruno, in December, during 7.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

In December, it is snowing for 0.5 days. Throughout December, 0.08" (2mm) of snow is accumulated.

December has the shortest days of the year, with an average of 9h and 54min of daylight.

In December, the average day length is 9h and 55min.

On the first day of December, sunrise is at 7:12 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:24 pm CST.

The month with the least sunshine is December, with an average of 5.5h of sunshine.

In Bruno, the average sunshine duration in December is 5.5h.

December is the month with the lowest UV index, with an average maximum UV index of 2.

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bruno, OK

  • Average high temperature in December: 51.8°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in December
Bruno, 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 (29.91"Hg).

Average wind speed in December
Bruno, OK

  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are March and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Bruno, OK

  • Average humidity in December: 73%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Bruno, OK

  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in December
Bruno, OK

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in December
Bruno, OK

  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Bruno, OK

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.7 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
Bruno, OK

  • Average daylight in December: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Bruno, OK

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (14.2 days).

Average UV index in December
Bruno, 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
Bruno, OK

  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Bruno, 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).