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 Jon enters December, the average high-temperature subtly lowers from the a comfortable 63.1°F (17.3°C) of November to a moderate 55.9°F (13.3°C). An average low-temperature of 40.8°F (4.9°C) is noted during the month of December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Jon, during December, the rain falls for 13.3 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Jon, during the entire year, the rain falls for 175.3 days and collects up to 39.88" (1013mm) of precipitation.Snowfall
January, February and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 0.39" (10mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:29 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:46 am and sunset at 4:48 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Jon have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Jon have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Jon?
Average temperature in December
Jon, AL
- Average high temperature in December: 55.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 40.8°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Jon, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Jon, AL
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Jon, 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 (72%).
Average rainfall in December
Jon, AL
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in December
Jon, AL
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Jon, AL
- Average snowfall in December: 0.39"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Jon, AL
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (0.8 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
Jon, 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 month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Jon, AL
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Jon, 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, November and December (UV index 3).
Average cloud cover in December
Jon, AL
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Jon, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Jon, Alabama, USA
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