December weather forecast
Union City, OK

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Weather in December

The first month of the winter, December, is also a frosty month in Union City, Oklahoma, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 32.9°F (0.5°C).

Temperature

January and December, with an average high-temperature of 49.1°F (9.5°C), are the coldest months.

Humidity

In Union City, the average relative humidity in December is 67%.

Rainfall

The month with the least rainfall in Union City, Oklahoma, is December, when the rain falls for 5.6 days and typically collects 0.83" (21mm) of precipitation.

Snowfall

Months with snowfall in Union City are January through April, November and December. In Union City, in December, during 1.3 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Union City, there are 5.8 snowfall days, and 2.56" (65mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Union City, with an average of 9h and 48min of daylight.
On the first day of December in Union City, sunrise is at 7:22 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:29 pm CST.

Sunshine

With an average of 6.2h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What part of the year is the coldest in Union City?

Union City experiences lowest temperatures, averaging a high-temperature of 49.1°F (9.5°C) during January and December.

What is the average December temperature in Union City?

An average high-temperature, in December, in Union City, is 49.1°F (9.5°C) and the average low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 89.6°F (32°C).

What is the average humidity in December in Union City?

In Union City, the average relative humidity in December is 67%.

What is the driest month in Union City?

The month with the least rainfall in Union City, Oklahoma, is December, when the rain falls for 5.6 days and typically collects 0.83" (21mm) of precipitation.

How much does it rain in Union City in December?

In Union City, in December, during 5.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many days does it snow in December in Union City?

In December, in Union City, it is snowing for 1.3 days. Throughout December, 0.43" (11mm) of snow is accumulated.

What is the month with the shortest days in Union City?

The month with the shortest days in Union City is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Union City?

In Union City, the average day length in December is 9h and 49min.

What time are sunrise and sunset in December in Union City?

On the first day of December, sunrise is at 7:22 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:29 pm CST.

What is the month with the least sunshine in Union City?

With an average of 6.2h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Union City have in December?

In Union City, Oklahoma, the average sunshine duration in December is 6.2h.

What is the month with the lowest UV index in Union City?

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

What is the UV index reading in December in Union City?

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 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
Union City, OK

Average temperature in December - Union City, OK
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The months with the lowest average high temperature are January and December (49.1°F).

  • Average low temperature in December: 32.9°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 (31.6°F).

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Average pressure in December
Union City, OK

Average pressure in December - Union City, 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 (29.87"Hg).

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Average wind speed in December
Union City, OK

Average wind speed in December - Union City, OK
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

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Average humidity in December
Union City, OK

Average humidity in December - Union City, OK
  • Average humidity in December: 67%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in December
Union City, OK

Average rainfall in December - Union City, OK
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (0.83").

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Average rainfall days in December
Union City, OK

Average rainfall days in December - Union City, OK
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in December
Union City, OK

Average snowfall in December - Union City, OK
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Union City, OK

Average snowfall days in December - Union City, OK
  • Average snowfall days in December: 1.3 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 and September (0 days).

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Average daylight in December /
Average sunshine in December
Union City, OK

Average daylight in December / Average sunshine in December - Union City, 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 1min

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 12min).

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Average sunshine days in December
Union City, OK

Average sunshine days in December - Union City, OK
  • Average sunshine days in December: 23.3 days

The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is May (14.4 days).

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Average UV index in December
Union City, OK

Average UV index in December - Union City, 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).

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Average cloud cover in December
Union City, OK

Average cloud cover in December - Union City, OK
  • Average cloud cover in December: 30

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in December
Union City, OK

Average visibility in December - Union City, 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).

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Union City, Oklahoma, USA

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