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
As Williams, Oklahoma, enters December, the average high-temperature decreases from the a mild 60.1°F (15.6°C) of November to a fresh 50.5°F (10.3°C). Throughout December, Williams experiences a low-temperature average of 35.4°F (1.9°C).Humidity
In Williams, the average relative humidity in December is 75%.Rainfall
In Williams, during December, the rain falls for 9.7 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Williams, during the entire year, the rain falls for 149.7 days and collects up to 35.08" (891mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Williams, during the entire year, snow falls for 5.1 days and aggregates up to 3.15" (80mm) of snow.Daylight
December has the shortest days of the year in Williams, Oklahoma, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 5:06 pm. On the last day of December, in Williams, sunrise is at 7:26 am and sunset at 5:16 pm CST.
Sunshine
The months with the least sunshine in Williams are January and December, with an average of 5.5h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Williams, Oklahoma. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Williams in December?
What is the average humidity in December in Williams?
How many days does it rain in December in Williams?
How much does it snow in Williams in December?
What is the month with the shortest days in Williams?
What is the average length of the day in December in Williams?
When are sunrise and sunset in December in Williams?
What are the months with the least sunshine in Williams?
How long on average sun shines in December in Williams?
What is the month with the lowest UV index in Williams?
What is the UV index intensity in December in Williams?
Average temperature in December
Williams, OK
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Williams, 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 (29.93"Hg).
Average wind speed in December
Williams, OK
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Williams, OK
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Williams, OK
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Williams, OK
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Williams, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Williams, OK
- Average snowfall days in December: 0.9 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Williams, 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: 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
Williams, OK
- Average sunshine days in December: 19.3 days
The months with the most sunshine days are November and December (19.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Williams, OK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Williams, OK
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Williams, 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).
Williams, Oklahoma, USA
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