December weather forecast
Chester, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Chester, Oklahoma, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 32°F (0°C).

Temperature

December, marked by an average high-temperature of 47.7°F (8.7°C) and a low-temperature of 32°F (0°C), is the coldest month.

Humidity

In December, the average relative humidity is 62%.

Rainfall

In Chester, during December, the rain falls for 2.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Chester, during the entire year, the rain falls for 93.7 days and collects up to 15.55" (395mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Chester, in December, snow falls for 1.5 days, with typically accumulated 0.16" (4mm) of snow. In Chester, during the entire year, snow falls for 8.3 days and aggregates up to 3.74" (95mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:31 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6.4h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What is the coldest time of year in Chester?

December is the coldest month, with the temperature often reaching an average high of 47.7°F (8.7°C) and an average low of 32°F (0°C).

What are the temperatures in December?

An average high-temperature, in December, in Chester, is 47.7°F (8.7°C) and the average low-temperature is 32°F (0°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is calculated to be 87.8°F (31°C).

What is the average humidity in December in Chester?

In Chester, the average relative humidity in December is 62%.

How many days does it rain in December?

In Chester, Oklahoma, during December, the rain falls for 2.9 days and regularly aggregates up to 0.55" (14mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 1.5 days. Throughout December, 0.16" (4mm) 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.

How many hours of daylight does Chester have in December?

The average day length in December is 9h and 44min.

What time are sunrise and sunset in December in Chester?

On the first day of December, sunrise is at 7:28 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:31 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.4h of sunshine.

How many hours of sunshine does Chester have in December?

In December, the average sunshine duration is 6.4h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Chester, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Chester, OK

Average temperature in December - Chester, OK
  • Average high temperature in December: 47.7°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (47.7°F).

  • Average low temperature in December: 32°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Chester, OK

Average pressure in December - Chester, 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 (29.86"Hg).

Average wind speed in December
Chester, OK

Average wind speed in December - Chester, OK
  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

Average humidity in December
Chester, OK

Average humidity in December - Chester, OK
  • Average humidity in December: 62%

The month with the highest relative humidity is May (64%).
The month with the lowest relative humidity is July (53%).

Average rainfall in December
Chester, OK

Average rainfall in December - Chester, OK
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Chester, OK

Average rainfall days in December - Chester, OK
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is December (2.9 days).

Average snowfall in December
Chester, OK

Average snowfall in December - Chester, OK
  • Average snowfall in December: 0.16"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Chester, OK

Average snowfall days in December - Chester, OK
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 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
Chester, OK

Average daylight in December / Average sunshine in December - Chester, 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December
Chester, OK

Average sunshine days in December - Chester, OK
  • Average sunshine days in December: 25.6 days

The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is September (16.8 days).

Average UV index in December
Chester, OK

Average UV index in December - Chester, 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
Chester, OK

Average cloud cover in December - Chester, OK
  • Average cloud cover in December: 28

The month with the most cloud cover is April (Cloud cover 34).
The months with the least cloud cover are June and August (Cloud cover 19).

Average visibility in December
Chester, OK

Average visibility in December - Chester, 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).

Chester, Oklahoma, USA

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