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 arrival of December suggests a slight decrease in the average high-temperature, moving from a comfortable 62.8°F (17.1°C) in November to a cool 55.2°F (12.9°C). Ryan records an average temperature drop to a wintry 40.5°F (4.7°C) in December.Humidity
With an average relative humidity of 80%, December is the most humid month in Ryan.Rainfall
In Ryan, during December, the rain falls for 11.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Ryan, there are 148.8 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:33 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:50 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in Ryan in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Ryan have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December in Ryan?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ryan, AL
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in December
Ryan, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Ryan, AL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Ryan, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Ryan, AL
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").
Average rainfall days in December
Ryan, AL
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Ryan, AL
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Ryan, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1 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
Ryan, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Ryan, AL
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Ryan, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Ryan, AL
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Ryan, AL
- 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).
Ryan, Alabama, USA
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