December weather forecastArapaho, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Arapaho, Oklahoma, with an average temperature ranging between min 31.8°F (-0.1°C) and max 48.9°F (9.4°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's mild 59°F (15°C) to a chilly 48.9°F (9.4°C). An average low-temperature of 31.8°F (-0.1°C) is observed during the December nights.Humidity
In Arapaho, the average relative humidity in December is 65%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 5.4 days and accumulates 0.83" (21mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Arapaho, in December, snow falls for 2.6 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, there are 9.5 snowfall days, and 4.88" (124mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:27 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:33 pm CST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index in Arapaho, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arapaho, OK
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Arapaho, 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 (29.86"Hg).
Average wind speed in December
Arapaho, OK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in December
Arapaho, OK
- Average humidity in December: 65%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Arapaho, OK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (3.98").
The driest months (with the least rainfall) are January, February and December (0.83").
Average rainfall days in December
Arapaho, OK
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Arapaho, OK
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Arapaho, OK
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arapaho, OK
- Average daylight in December: 9h and 48min
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 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Arapaho, OK
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in December
Arapaho, 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).
Average cloud cover in December
Arapaho, OK
- Average cloud cover in December: 28
The month with the most cloud cover is April (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Arapaho, 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).





