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 start of December comes with a small reduction in the average high-temperature, subtly receding from an enjoyable 65.1°F (18.4°C) in November to a mild 57°F (13.9°C). Throughout December, Jacksonville encounters an average temperature drop to an icy 42.1°F (5.6°C).Humidity
The average relative humidity in December is 79%.Rainfall
In December, in Jacksonville, Texas, the rain falls for 11.5 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Jacksonville, Texas, during the entire year, the rain falls for 149.1 days and collects up to 32.32" (821mm) of precipitation.Snowfall
In Jacksonville, snow does not fall in March through December.Daylight
The month with the shortest days in Jacksonville, Texas, is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:27 pm CST.
Sunshine
December has the least sunshine of the year in Jacksonville, with an average of 5h of sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Jacksonville, Texas. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in Jacksonville?
What is the average humidity in December in Jacksonville?
How many days does it rain in December in Jacksonville?
When it does not snow in Jacksonville?
Does it snow in Jacksonville in December?
What is the month with the shortest days in Jacksonville?
What is the average length of the day in December in Jacksonville?
When are sunrise and sunset in December in Jacksonville?
What is the month with the least sunshine in Jacksonville?
How many hours of sunshine does Jacksonville have in December?
What are the months with the lowest UV index in Jacksonville?
What is the UV index intensity in December in Jacksonville?
Average temperature in December
Jacksonville, TX
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Jacksonville, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Jacksonville, TX
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in December
Jacksonville, TX
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Jacksonville, TX
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is October (3.74").
The driest months (with the least rainfall) are July and August (1.89").
Average rainfall days in December
Jacksonville, TX
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Jacksonville, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Jacksonville, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Jacksonville, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Jacksonville, TX
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Jacksonville, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Jacksonville, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Jacksonville, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, April and May (5mi).
Jacksonville, Texas, USA
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