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 39.7°F (4.3°C) and a low temperature of 26.6°F (-3°C), is generally the coldest month.Humidity
In January, the average relative humidity is 78%.Rainfall
In Union Star, during January, the rain falls for 8.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Union Star, during the entire year, the rain falls for 130.1 days and collects up to 14.72" (374mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In January, it is snowing for 4.8 days. Throughout January, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 16 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 53min.On the first day of the month, sunrise is at 7:01 am and sunset at 4:36 pm. On the last day of January, sunrise is at 6:50 am and sunset at 5:07 pm CST.
Sunshine
January and February, with an average of 4.3h of sunshine, are months with the least 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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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?
How much does it snow in January?
How many hours of daylight does Union Star have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine in Union Star?
How many hours of sunshine does Union Star have in January?
When is the lowest UV index?
What is the UV index reading in January in Union Star?
Average temperature in January
Union Star, KY
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Union Star, KY
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Union Star, KY
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Union Star, KY
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Union Star, KY
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is April (1.73").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in January
Union Star, KY
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is October (8.1 days).
Average snowfall in January
Union Star, KY
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Union Star, KY
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Union Star, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in January
Union Star, KY
- Average sunshine days in January: 18.2 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in January
Union Star, KY
- Average UV index in January: 2
The months with the highest UV index are May, June, July 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
Union Star, KY
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Union Star, KY
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Union Star, Kentucky, USA
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