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 fresh 51.6°F (10.9°C) to a chilly 42.8°F (6°C). Jacksonville records a steady low-temperature average of 30.9°F (-0.6°C) during December.Humidity
The average relative humidity in December is 81%.Rainfall
In Jacksonville, in December, it is raining for 13 days, with typically 3.5" (89mm) of accumulated precipitation. In Jacksonville, during the entire year, the rain falls for 182.8 days and collects up to 38.62" (981mm) of precipitation.Snowfall
Months with snowfall in Jacksonville are January through May, October through December. In December, in Jacksonville, it is snowing for 12.1 days. Throughout December, 5.67" (144mm) of snow is accumulated. Throughout the year, there are 58.9 snowfall days, and 32.17" (817mm) of snow is accumulated.Daylight
December has the shortest days of the year in Jacksonville, with an average of 9h and 30min of daylight.On the first day of December in Jacksonville, sunrise is at 7:22 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine is 3.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Jacksonville?
What is the average humidity in December in Jacksonville?
How much does it rain in Jacksonville in December?
How many days does it snow in December in Jacksonville?
What is the month with the shortest days in Jacksonville?
How many hours of daylight does Jacksonville have in December?
When are sunrise and sunset in December in Jacksonville?
How long on average sun shines in December in Jacksonville?
What are the months with the lowest UV index in Jacksonville?
How high is the UV index in December in Jacksonville?
Average temperature in December
Jacksonville, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Jacksonville, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Jacksonville, WV
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Jacksonville, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Jacksonville, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Jacksonville, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Jacksonville, WV
- Average snowfall in December: 5.67"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jacksonville, WV
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jacksonville, WV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Jacksonville, WV
- Average sunshine days in December: 9 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in December
Jacksonville, WV
- Average UV index in December: 2
The months with the highest UV index are May, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Jacksonville, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Jacksonville, WV
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
Jacksonville, West Virginia, USA
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