Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Jacksonville, January records the lowest average temperatures, peaking at 57.4°F (14.1°C) and reaching a low of 40.6°F (4.8°C).Humidity
January, October and November, with an average relative humidity of 72%, are the least humid months in Jacksonville.Rainfall
In Jacksonville, in January, during 8.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Jacksonville, during the entire year, the rain falls for 134.5 days and collects up to 14.61" (371mm) of precipitation.Snowfall
January and February are months with snowfall in Jacksonville. The months with the most snowfall are January and February, with an average 0.04" (1mm) of accumulated snow.Daylight
In Jacksonville, the average length of the day in January is 10h and 21min.On the first day of January, sunrise is at 7:31 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 6:04 pm EST.
Sunshine
The average sunshine in January in Jacksonville is 6.2h.UV index
January 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 rays for the average person.Note: The maximum daily UV index of 3 in January interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average January temperature?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
When does it start to snow?
How many hours of daylight does Jacksonville have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Jacksonville have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jacksonville, GA
- Average high temperature in January: 57.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).
- Average low temperature in January: 40.6°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in January
Jacksonville, GA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in January
Jacksonville, GA
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Jacksonville, GA
- Average humidity in January: 72%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).
Average rainfall in January
Jacksonville, GA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in January
Jacksonville, GA
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall in January
Jacksonville, GA
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Jacksonville, GA
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Jacksonville, GA
- Average daylight in January: 10h and 2min
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 January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Jacksonville, GA
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in January
Jacksonville, GA
- Average UV index in January: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Jacksonville, GA
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in January
Jacksonville, GA
- Average visibility in January: 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).
Jacksonville, Georgia, USA
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