December weather forecast
Fallis, OK

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Weather in December

The first month of the winter, December, is also a frosty month in Fallis, Oklahoma, with an average temperature fluctuating between 49.3°F (9.6°C) and 34.2°F (1.2°C).

Temperature

With the onset of December, Fallis's average high-temperature adjusts, receding from November's refreshing 59.7°F (15.4°C) to a frosty 49.3°F (9.6°C). Fallis's average low-temperature is measured at an icy 34.2°F (1.2°C) during December.

Humidity

In Fallis, Oklahoma, the average relative humidity in December is 66%.

Rainfall

January, February and December are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 1.06" (27mm) of rain.

Snowfall

January through March, November and December are months with snowfall. In Fallis, during December, snow falls for 1.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Fallis, during the entire year, snow falls for 5.9 days and aggregates up to 3.35" (85mm) of snow.

Daylight

The month with the shortest days in Fallis is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:20 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:25 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What is the average December temperature?

During December, Fallis experiences an average high-temperature of 49.3°F (9.6°C) and a low-temperature of 34.2°F (1.2°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in December?

In Fallis, the average relative humidity in December is 66%.

What is the driest month?

The months with the least rainfall are January, February and December Rain falls for 5.5 days and accumulates 1.06" (27mm) of rain.

How many days does it rain in December?

In Fallis, in December, during 5.5 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How much does it snow in December?

In Fallis, in December, snow falls for 1.1 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Fallis have in December?

In December, the average day length is 9h and 47min.

When are sunrise and sunset in December?

On the first day of December in Fallis, sunrise is at 7:20 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:25 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 6h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

How high is the UV index in December?

In Fallis, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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
Fallis, OK

Average temperature in December - Fallis, OK
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in December: 34.2°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 (31.5°F).

Average pressure in December
Fallis, OK

Average pressure in December - Fallis, 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
Fallis, OK

Average wind speed in December - Fallis, OK
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in December
Fallis, OK

Average humidity in December - Fallis, OK
  • Average humidity in December: 66%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (62%).

Average rainfall in December
Fallis, OK

Average rainfall in December - Fallis, OK
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are January, February and December (1.06").

Average rainfall days in December
Fallis, OK

Average rainfall days in December - Fallis, OK
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5 days).

Average snowfall in December
Fallis, OK

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

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Fallis, OK

Average snowfall days in December - Fallis, OK
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (1.9 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
Fallis, OK

Average daylight in December / Average sunshine in December - Fallis, 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 months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in December
Fallis, OK

Average sunshine days in December - Fallis, OK
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is May (13.9 days).

Average UV index in December
Fallis, OK

Average UV index in December - Fallis, OK
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Fallis, OK

Average cloud cover in December - Fallis, OK
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Fallis, OK

Average visibility in December - Fallis, 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).

Fallis, Oklahoma, USA

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