December weather forecast and climate
Chester, OK

Weather in December

The first month of the winter, December, is still a chilly month in Chester, Oklahoma, with average temperature ranging between min 32°F (0°C) and max 47.7°F (8.7°C).

Temperature

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

Humidity

In Chester, the average relative humidity is 62%.

Rainfall

In Chester, in December, during 2.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 93.7 rainfall days, and 15.55" (395mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 9.7h of daylight.

Sunshine

With an average of 6.4h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Chester?

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

What is the average humidity in December in Chester?

The average relative humidity in December is 62%.

How much does it rain in Chester 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 Chester in December?

In Chester, in December, during 1.5 snowfall days, 0.16" (4mm) of snow is typically accumulated.

What is the month with the shortest days in Chester?

The month with the shortest days in Chester, Oklahoma, is December, with an average of 9.7h of daylight.

How many hours of daylight does Chester have in December?

In Chester, the average length of the day in December is 9.7h.

What is the month with the least sunshine in Chester?

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

How long on average sun shines in December in Chester?

The average sunshine in December is 6.4h.

What is the month with the lowest UV index in Chester?

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

What is the UV index intensity in December in Chester?

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

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).

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Average pressure in December
Chester, OK

Average pressure in December - Chester, OK
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.86").

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are May, June, July, August and September (0").

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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).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Chester, OK
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 6.4h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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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).

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Average UV index in December
Chester, OK

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

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).

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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).
Months with the least cloud cover are June and August (Cloud cover 19).

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Average visibility in December
Chester, OK

Average visibility in December - Chester, OK
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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