January weather forecastCuster, KY
January
Weather in January
January, the same as December, is a wintry winter month in Custer, Kentucky, with an average temperature ranging between min 26.6°F (-3°C) and max 39.7°F (4.3°C).Temperature
January, recording an average high temperature of 39.7°F (4.3°C) and a low temperature of 26.6°F (-3°C), is Custer's coldest month.Humidity
In Custer, the average relative humidity in January is 78%.Rainfall
In January, the rain falls for 8.4 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. In Custer, during the entire year, the rain falls for 130.1 days and collects up to 14.72" (374mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Custer, in January, during 4.8 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, there are 16 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
In Custer, the average length of the day in January is 9h and 55min.On the first day of the month, sunrise is at 7:00 am and sunset at 4:36 pm. On the last day of January, sunrise is at 6:49 am and sunset at 5:06 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.3h 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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Custer, 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
Custer, 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
Custer, 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
Custer, 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
Custer, 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
Custer, 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
Custer, 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
Custer, 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
Custer, KY
- Average daylight in January: 9h and 54min
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 18min
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
Custer, 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
Custer, 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
Custer, 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
Custer, 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).





