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
January, marked by an average high-temperature of 47.8°F (8.8°C) and a low-temperature of 33.8°F (1°C), is the coldest month.Humidity
The average relative humidity in January is 74%.Rainfall
In January, the rain falls for 10.2 days. Throughout January, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 38.66" (982mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Jacksonville, in January, snow falls for 1.8 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 5.8 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 8min.On the first day of the month, sunrise is at 7:15 am and sunset at 5:07 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:35 pm CST.
Sunshine
In January, the average sunshine is 5.3h.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 of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in January transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Jacksonville?
What is the average January temperature?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Jacksonville have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Jacksonville have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jacksonville, AR
- Average high temperature in January: 47.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in January: 33.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in January
Jacksonville, AR
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Jacksonville, AR
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Jacksonville, AR
- Average humidity in January: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Jacksonville, AR
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in January
Jacksonville, AR
- Average rainfall days in January: 10.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Jacksonville, AR
- Average snowfall in January: 0.79"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Jacksonville, AR
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jacksonville, AR
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in January
Jacksonville, AR
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in January
Jacksonville, AR
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Jacksonville, AR
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in January
Jacksonville, AR
- 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, Arkansas, USA
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