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
The onset of December results in a decrease in the average high-temperature, receding from a comfortable 62.1°F (16.7°C) in November to a cool 52.7°F (11.5°C). Armstrong records an average low-temperature of 38.3°F (3.5°C) throughout the month of December.Humidity
In December, the average relative humidity is 72%.Rainfall
In Armstrong, in December, during 9.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Armstrong, during the entire year, the rain falls for 139 days and collects up to 32.32" (821mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Armstrong, in December, during 0.4 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Armstrong, during the entire year, snow falls for 3.4 days and aggregates up to 1.93" (49mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:26 pm CST.
Sunshine
With an average of 5.5h 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. 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 temperature in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Armstrong 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
Armstrong, OK
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.3°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 (36°F).
Average pressure in December
Armstrong, 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 (29.9"Hg).
Average wind speed in December
Armstrong, OK
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Armstrong, OK
- Average humidity in December: 72%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Armstrong, OK
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Armstrong, OK
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Armstrong, OK
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Armstrong, OK
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Armstrong, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Armstrong, OK
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in December
Armstrong, 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
Armstrong, OK
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Armstrong, 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).
Armstrong, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location