December weather forecastCuster City, OK
December
Weather in December
December, the first month of the winter in Custer City, is also a frosty month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 31.8°F (-0.1°C).Temperature
Custer City experiences a temperature shift at the start of December, with average high-temperatures adjusting from a mild 59°F (15°C) in November to a frosty 48.9°F (9.4°C). During the month of December, Custer City experiences a steady low-temperature average of 31.8°F (-0.1°C).Humidity
In December, the average relative humidity 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
January through April, October through December are months with snowfall. In Custer City, in December, during 2.6 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Custer City, during the entire year, snow falls for 9.5 days and aggregates up to 4.88" (124mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Custer City.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 5:32 pm CST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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
Custer City, 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).
