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 November transitions into December, Mustang sees a drop in the average high-temperature, transitioning from a refreshing 59.5°F (15.3°C) to a frosty 48.9°F (9.4°C). Mustang's temperature tends to fall to an average low of 33.3°F (0.7°C) during the nights of December.Humidity
In December, the average relative humidity is 67%.Rainfall
December is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.83" (21mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Mustang, in December, snow falls for 1.9 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 8.4 snowfall days, and 3.98" (101mm) 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 7:22 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:28 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.1h of sunshine.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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
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 Mustang have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mustang, OK
- Average high temperature in December: 48.9°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 (48.7°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Mustang, 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
Mustang, OK
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Mustang, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Mustang, OK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in December
Mustang, OK
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Mustang, OK
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mustang, OK
- Average snowfall days in December: 1.9 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
Mustang, 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: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Mustang, OK
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in December
Mustang, 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
Mustang, OK
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in December
Mustang, 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).
Mustang, Oklahoma, USA
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