January weather forecastLex, WV
January
Weather in January
January, like December, in Lex, West Virginia, is a wintry winter month, with an average temperature varying between 39.2°F (4°C) and 25°F (-3.9°C).Temperature
Lex experiences its lowest average temperatures in January, reaching a peak of 39.2°F (4°C) and a minimum of 25°F (-3.9°C).Humidity
The average relative humidity in January in Lex is 81%.Rainfall
In Lex, during January, the rain falls for 10.1 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, in Lex, West Virginia, there are 172.5 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Lex. In Lex, West Virginia, in January, snow falls for 10.5 days, with typically accumulated 4.25" (108mm) of snow. In Lex, West Virginia, during the entire year, snow falls for 38.6 days and aggregates up to 20" (508mm) of snow.Daylight
The average length of the day in January in Lex is 9h and 56min.On the first day of January in Lex, sunrise is at 7:41 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:49 pm EST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Lex.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Lex. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lex, WV
- Average high temperature in January: 39.2°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in January: 25°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in January
Lex, WV
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Lex, WV
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Lex, WV
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in January
Lex, WV
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Lex, WV
- Average rainfall days in January: 10.1 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in January
Lex, WV
- Average snowfall in January: 4.25"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lex, WV
- Average snowfall days in January: 10.5 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lex, WV
- 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Lex, WV
- Average sunshine days in January: 12.4 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in January
Lex, WV
- 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
Lex, WV
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in January
Lex, WV
- 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).





