December weather forecastAdair, OK

December

Weather in December

The first month of the winter, December, is still a chilly month in Adair, Oklahoma, with an average temperature varying between 33.6°F (0.9°C) and 47.7°F (8.7°C).

Temperature

The arrival of December corresponds with a shift in temperature, down from a refreshing 58.1°F (14.5°C) in November to a chilly 47.7°F (8.7°C). An average low-temperature of 33.6°F (0.9°C) is observed during the December nights.

Humidity

In Adair, the average relative humidity in December is 72%.

Rainfall

In Adair, Oklahoma, in December, during 7.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Adair, there are 137.3 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Adair, during December, snow falls for 1.4 days and regularly aggregates up to 0.63" (16mm) of snow. In Adair, during the entire year, snow falls for 6.9 days and aggregates up to 3.5" (89mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:16 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.6h 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature during December are 47.7°F (8.7°C) and 33.6°F (0.9°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

In December, the average relative humidity is 72%.

In Adair, in December, during 7.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

In Adair, in December, during 1.4 snowfall days, 0.63" (16mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 42min of daylight.

In Adair, the average day length in December is 9h and 43min.

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:16 pm CST.

December has the least sunshine of the year, with an average of 5.6h of sunshine.

In Adair, the average sunshine duration in December is 5.6h.

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

In December, the average daily maximum UV index in Adair is 2. A UV Index estimate of 2, and below, represents 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
Adair, OK

  • Average high temperature in December: 47.7°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in December: 33.6°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Adair, OK

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Adair, OK

  • Average wind speed in December: 9mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in December
Adair, OK

  • Average humidity in December: 72%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Adair, OK

  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Adair, OK

  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in December
Adair, OK

  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Adair, OK

  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.4 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
Adair, OK

  • Average daylight in December: 9h and 42min

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: 5h and 36min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in December
Adair, OK

  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13 days).

Average UV index in December
Adair, OK

  • Average UV index in December: 2

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

Average cloud cover in December
Adair, OK

  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December
Adair, 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).