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 tends to be the coldest month, with temperatures averaging a daily high of 40.1°F (4.5°C) and a low of 26.4°F (-3.1°C).Humidity
In Letcher, Kentucky, the average relative humidity in January is 80%.Rainfall
In January, in Letcher, Kentucky, the rain falls for 12.9 days. Throughout January, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 195.8 rainfall days, and 40.35" (1025mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Letcher. The month with the most snowfall is January, when snow falls for 11.1 days and typically aggregates up to 5" (127mm) of snow.Daylight
The average length of the day in January in Letcher is 9h and 57min.On the first day of January, sunrise is at 7:45 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:54 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in Letcher are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Letcher?
How cold is January in Letcher?
What is the average humidity in January in Letcher?
How many days does it rain in January in Letcher?
What is the snowiest month in Letcher?
How much does it snow in Letcher in January?
What is the average length of the day in January in Letcher?
What time are sunrise and sunset in January in Letcher?
What is the month with the least sunshine in Letcher?
How many hours of sunshine does Letcher have in January?
What are the months with the lowest UV index in Letcher?
How high is the UV index in January in Letcher?
Average temperature in January
Letcher, KY
- Average high temperature in January: 40.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Letcher, 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 (29.99"Hg).
Average wind speed in January
Letcher, KY
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Letcher, KY
- Average humidity in January: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Letcher, KY
- Average rainfall in January: 3.19"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in January
Letcher, KY
- Average rainfall days in January: 12.9 days
The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in January
Letcher, KY
- Average snowfall in January: 5"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Letcher, KY
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Letcher, KY
- Average daylight in January: 10h and 0min
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 42min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Letcher, KY
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).
Average UV index in January
Letcher, KY
- Average UV index in January: 2
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Letcher, KY
- Average cloud cover in January: 59
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Letcher, 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).
Letcher, Kentucky, USA
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