December weather forecast
Fairfield, OK

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Weather in December

The first month of the winter, December, is still a chilly month in Fairfield, Oklahoma, with an average temperature varying between 33.6°F (0.9°C) and 48°F (8.9°C).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a refreshing 57.9°F (14.4°C) in November to a frosty 48°F (8.9°C). Fairfield experiences a consistent average temperature of 33.6°F (0.9°C) throughout the nights in December.

Humidity

The average relative humidity in December is 74%.

Rainfall

In December, in Fairfield, Oklahoma, the rain falls for 9.2 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In Fairfield, during the entire year, the rain falls for 151.2 days and collects up to 34.76" (883mm) of precipitation.

Snowfall

Months with snowfall in Fairfield are January through May, November and December. In Fairfield, in December, during 1.5 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Fairfield, Oklahoma, during the entire year, snow falls for 9.5 days and aggregates up to 3.86" (98mm) of snow.

Daylight

December has the shortest days of the year in Fairfield, with an average of 9h and 48min of daylight.
On the first day of December in Fairfield, sunrise is at 7:10 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:15 pm CST.

Sunshine

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Fairfield are February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What are December temperatures in Fairfield?

The high-temperature, in December, in Fairfield, is 48°F (8.9°C), while the low-temperature averages to 33.6°F (0.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in December in Fairfield?

In Fairfield, Oklahoma, the average relative humidity in December is 74%.

How much does it rain in Fairfield in December?

In Fairfield, during December, the rain falls for 9.2 days and regularly aggregates up to 2.28" (58mm) of precipitation.

How much does it snow in Fairfield in December?

In December, in Fairfield, it is snowing for 1.5 days. Throughout December, 0.55" (14mm) of snow is accumulated.

What is the month with the shortest days in Fairfield?

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

What is the average length of the day in December in Fairfield?

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

When are sunrise and sunset in December in Fairfield?

On the first day of December, sunrise is at 7:10 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:15 pm CST.

What is the month with the least sunshine in Fairfield?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

How many hours of sunshine does Fairfield have in December?

The average sunshine duration in December in Fairfield, Oklahoma, is 5.5h.

When is the lowest UV index in Fairfield?

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

What is the UV index reading in December in Fairfield?

In Fairfield, Oklahoma, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Fairfield, OK

Average temperature in December - Fairfield, OK
  • Average high temperature in December: 48°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in December: 33.6°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in December
Fairfield, OK

Average pressure in December - Fairfield, 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 (29.92"Hg).

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Average wind speed in December
Fairfield, OK

Average wind speed in December - Fairfield, OK
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in December
Fairfield, OK

Average humidity in December - Fairfield, OK
  • Average humidity in December: 74%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in December
Fairfield, OK

Average rainfall in December - Fairfield, OK
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in December
Fairfield, OK

Average rainfall days in December - Fairfield, OK
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in December
Fairfield, OK

Average snowfall in December - Fairfield, OK
  • Average snowfall in December: 0.55"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Fairfield, OK

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

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Fairfield, OK
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Fairfield, OK

Average sunshine days in December - Fairfield, OK
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in December
Fairfield, OK

Average UV index in December - Fairfield, 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 February and December (UV index 2).

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Average cloud cover in December
Fairfield, OK

Average cloud cover in December - Fairfield, OK
  • Average cloud cover in December: 39

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in December
Fairfield, OK

Average visibility in December - Fairfield, 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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Fairfield, Oklahoma, USA

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