December weather forecast
Rosston, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Rosston, Oklahoma, with an average temperature fluctuating between 31.6°F (-0.2°C) and 46.9°F (8.3°C).

Temperature

December stands out as Rosston's coldest month, with an average high-temperature of 46.9°F (8.3°C) and a low-temperature of 31.6°F (-0.2°C).

Humidity

The average relative humidity in December is 59%.

Rainfall

In Rosston, during December, the rain falls for 3.7 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 96.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Rosston, in December, during 2.5 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 11.3 snowfall days, and 5.24" (133mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:34 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:33 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

What time of the year is the coldest?

Temperature records mark December as the coldest month, with highs averaging 46.9°F (8.3°C) and lows at 31.6°F (-0.2°C).

What are the temperatures in December?

The average high-temperature, in December, in Rosston, is 46.9°F (8.3°C), while the average low-temperature is 31.6°F (-0.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December?

In Rosston, the average relative humidity in December is 59%.

How much does it rain in December?

In December, the rain falls for 3.7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How many days does it snow in December?

In December, in Rosston, it is snowing for 2.5 days. Throughout December, 0.59" (15mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In Rosston, the average day length in December is 9h and 41min.

When are sunrise and sunset in December in Rosston?

On the first day of December, sunrise is at 7:34 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:33 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.5h of sunshine.

How many hours of sunshine does Rosston have in December?

The average sunshine duration in December is 6.5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Rosston, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rosston, OK

Average temperature in December - Rosston, OK
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (46.9°F).

  • Average low temperature in December: 31.6°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 (30.9°F).

Average pressure in December
Rosston, OK

Average pressure in December - Rosston, OK
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Rosston, OK

Average wind speed in December - Rosston, OK
  • Average wind speed in December: 11.3mph

The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

Average humidity in December
Rosston, OK

Average humidity in December - Rosston, OK
  • Average humidity in December: 59%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is July (52%).

Average rainfall in December
Rosston, OK

Average rainfall in December - Rosston, OK
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in December
Rosston, OK

Average rainfall days in December - Rosston, OK
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is August (12.8 days).
The month with the least rainy days is January (3.2 days).

Average snowfall in December
Rosston, OK

Average snowfall in December - Rosston, OK
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Rosston, OK

Average snowfall days in December - Rosston, OK
  • Average snowfall days in December: 2.5 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 and September (0 days).

Average daylight in December /
Average sunshine in December
Rosston, OK

Average daylight in December / Average sunshine in December - Rosston, OK
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Rosston, OK

Average sunshine days in December - Rosston, OK
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is August (15.1 days).

Average UV index in December
Rosston, OK

Average UV index in December - Rosston, 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
Rosston, OK

Average cloud cover in December - Rosston, OK
  • Average cloud cover in December: 26

The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in December
Rosston, OK

Average visibility in December - Rosston, 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).

Rosston, Oklahoma, USA

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