December weather forecastArcadia, OK
December
Weather in December
December, the first month of the winter in Arcadia, is still a chilly month, with an average temperature varying between 49.1°F (9.5°C) and 33.4°F (0.8°C).Temperature
In Arcadia, entering December brings a temperature decrement, reducing from November's mild 59.5°F (15.3°C) to a frosty 49.1°F (9.5°C). During December, the temperature is averaged to a low of 33.4°F (0.8°C) at night.Humidity
The average relative humidity in December in Arcadia is 66%.Rainfall
The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.91" (23mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Arcadia. In December, it is snowing for 1.4 days. Throughout December, 0.39" (10mm) of snow is accumulated. In Arcadia, during the entire year, snow falls for 7.2 days and aggregates up to 3.03" (77mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Arcadia.On the first day of December, sunrise is at 7:21 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:26 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arcadia, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Arcadia, 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
Arcadia, OK
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Arcadia, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Arcadia, OK
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in December
Arcadia, OK
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Arcadia, OK
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Arcadia, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.6 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
Arcadia, 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 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Arcadia, OK
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in December
Arcadia, 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
Arcadia, OK
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Arcadia, 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).





