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
December brings a minor decrease, with the average high-temperature reducing from a moderate 57.7°F (14.3°C) in November to a frosty 46.8°F (8.2°C). Fairfax's average low-temperature in the month of December is recorded at a freezing cold 31.6°F (-0.2°C).Humidity
In December, the average relative humidity is 68%.Rainfall
The month with the least rainfall is December, when the rain falls for 3.6 days and typically collects 0.24" (6mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 5.8 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
The month with the shortest days in Fairfax is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:21 pm CST.
Sunshine
January and December, with an average of 6.1h of sunshine, are months with the least sunshine in Fairfax.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Fairfax?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Fairfax have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Fairfax?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Fairfax, OK
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Fairfax, 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).
Average wind speed in December
Fairfax, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in December
Fairfax, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
Fairfax, OK
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in December
Fairfax, OK
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is May (12.3 days).
The months with the least rainy days are January and December (3.6 days).
Average snowfall in December
Fairfax, OK
- Average snowfall in December: 0.08"
The months with the highest snowfall are January, February and March (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Fairfax, OK
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fairfax, 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in December
Fairfax, OK
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in December
Fairfax, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Fairfax, OK
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Fairfax, 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).
Fairfax, Oklahoma, USA
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