Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a mild 57.9°F (14.4°C) in November to a chilly 48°F (8.9°C). Fairfield's nighttime temperature in December drops to an average of 33.6°F (0.9°C).Humidity
In Fairfield, the average relative humidity in December is 74%.Rainfall
In Fairfield, in December, during 9.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 34.76" (883mm) of precipitation is accumulated.Snowfall
Months with snowfall 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, during the entire year, snow falls for 9.5 days and aggregates up to 3.86" (98mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.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.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fairfield have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Fairfield have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Fairfield, Oklahoma, USA
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