December weather forecastRattan, OK

December

Weather in December

The first month of the winter, December, is also a fresh month in Rattan, Oklahoma, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 52.2°F (11.2°C).

Temperature

During Rattan's transition into December, the average high-temperature lessens, moving from an enjoyable 61.7°F (16.5°C) in November to a cool 52.2°F (11.2°C). Rattan observes an average nighttime temperature of 37.6°F (3.1°C) during December.

Humidity

In Rattan, the average relative humidity in December is 74%.

Rainfall

In Rattan, during December, the rain falls for 10.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 149.7 rainfall days, and 37.6" (955mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Rattan, in December, snow falls for 0.7 days, with typically accumulated 0.28" (7mm) of snow. In Rattan, Oklahoma, during the entire year, snow falls for 4.2 days and aggregates up to 2.09" (53mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:09 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:22 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct 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 prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

The high-temperature, in December, in Rattan, records 52.2°F (11.2°C), while the low-temperature is 37.6°F (3.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 95°F (35°C).

In Rattan, the average relative humidity in December is 74%.

In Rattan, in December, it is raining for 10.4 days, with typically 2.87" (73mm) of accumulated precipitation.

In December, it is snowing for 0.7 days. Throughout December, 0.28" (7mm) 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.

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:22 pm CST.

With an average of 5.4h of sunshine, December has the least sunshine of the year.

The average sunshine duration in December in Rattan is 5.4h.

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

In Rattan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Rattan, OK

  • Average high temperature in December: 52.2°F

The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure in December
Rattan, 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
Rattan, OK

  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Rattan, OK

  • Average humidity in December: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Rattan, OK

  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in December
Rattan, OK

  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in December
Rattan, OK

  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Rattan, OK

  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.8 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
Rattan, 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 24min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Rattan, OK

  • Average sunshine days in December: 19 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in December
Rattan, 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
Rattan, OK

  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Rattan, 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).