January weather forecastJackson Mill, WV
January
Weather in January
January, the same as December, is another cold winter month in Jackson Mill, West Virginia, with an average temperature fluctuating between 23.5°F (-4.7°C) and 37°F (2.8°C).Temperature
January is the coldest month of the year, registering average temperatures as high as 37°F (2.8°C) and as low as 23.5°F (-4.7°C).Humidity
January and February, with an average relative humidity of 83%, are the most humid months.Rainfall
In Jackson Mill, in January, during 12 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 182.8 rainfall days, and 38.62" (981mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 16.6 days and typically aggregates up to 8.15" (207mm) of snow.Daylight
In Jackson Mill, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:40 am and sunset at 5:09 pm. On the last day of January, sunrise is at 7:29 am and sunset at 5:41 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Jackson Mill, WV
- Average high temperature in January: 37°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in January: 23.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in January
Jackson Mill, WV
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Jackson Mill, WV
- Average wind speed in January: 6.8mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Jackson Mill, WV
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in January
Jackson Mill, WV
- Average rainfall in January: 3.11"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Jackson Mill, WV
- Average rainfall days in January: 12 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in January
Jackson Mill, WV
- Average snowfall in January: 8.15"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Jackson Mill, WV
- Average snowfall days in January: 16.6 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jackson Mill, WV
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Jackson Mill, WV
- Average sunshine days in January: 7.6 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in January
Jackson Mill, WV
- Average UV index in January: 2
The months with the highest UV index are May, July 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
Jackson Mill, WV
- Average cloud cover in January: 67
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Jackson Mill, WV
- Average visibility in January: 4mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
