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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's comfortable 63.1°F (17.3°C) to a moderate 55.9°F (13.3°C). In December, Jon reports a consistent average low-temperature of 40.8°F (4.9°C) during the nights.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Jon, in December, it is raining for 13.3 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, in Jon, Alabama, there are 175.3 rainfall days, and 39.88" (1013mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. The month with the most snowfall in Jon is December, when snow falls for 0.5 days and typically aggregates up to 0.39" (10mm) of snow.Daylight
December has the shortest days of the year, 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 in Jon. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during December translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the average December temperature in Jon?
What is the most humid month in Jon?
What is the average humidity in December in Jon?
How many days does it rain in December in Jon?
When does it snow the most in Jon?
When does it start snowing in Jon?
What is the month with the shortest days in Jon?
What is the average length of the day in December in Jon?
What time are sunrise and sunset in December in Jon?
What is the month with the least sunshine in Jon?
How many hours of sunshine does Jon have in December?
What are the months with the lowest UV index in Jon?
How high is the UV index 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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