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, characterized by an average high temperature of 41.2°F (5.1°C) and a low temperature of 27°F (-2.8°C), is generally the coldest month.Humidity
The average relative humidity in January is 79%.Rainfall
In Justell, during January, the rain falls for 12.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Justell, during the entire year, the rain falls for 181.3 days and collects up to 34.02" (864mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 11.4 days and accumulates 4.17" (106mm) of snow.Daylight
The average length of the day in January is 9h and 55min.On the first day of the month, sunrise is at 7:45 am and sunset at 5:22 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:52 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold does it get in January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Justell, KY
- Average high temperature in January: 41.2°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Justell, KY
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Justell, KY
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Justell, KY
- Average humidity in January: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in January
Justell, KY
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in January
Justell, KY
- Average rainfall days in January: 12.2 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in January
Justell, KY
- Average snowfall in January: 4.17"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Justell, KY
- Average snowfall days in January: 11.4 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Justell, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Justell, KY
- Average sunshine days in January: 10.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in January
Justell, KY
- Average UV index in January: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Justell, KY
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Justell, KY
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Justell, Kentucky, USA
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