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, with an average high of 37.6°F (3.1°C) and a low of 24.3°F (-4.3°C), signifies the coldest month of the year.Humidity
January and February, with an average relative humidity of 82%, are the most humid months.Rainfall
In Mount Alto, during January, the rain falls for 12 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Mount Alto, during the entire year, the rain falls for 178.2 days and collects up to 35.35" (898mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 12.5 days. Throughout January, 4.13" (105mm) of snow is accumulated. In Mount Alto, West Virginia, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.Daylight
The average length of the day in January is 9h and 49min.On the first day of January, sunrise is at 7:45 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:47 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h 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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Mount Alto?
Is January cold?
What is the most humid month?
What is the average humidity in January in Mount Alto?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Mount Alto, WV
- Average high temperature in January: 37.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Mount Alto, WV
- Average pressure in January: 30.14"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
Mount Alto, 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 (4.3mph).
Average humidity in January
Mount Alto, WV
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in January
Mount Alto, WV
- Average rainfall in January: 2.6"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Mount Alto, WV
- Average rainfall days in January: 12 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in January
Mount Alto, WV
- Average snowfall in January: 4.13"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mount Alto, WV
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Alto, WV
- 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 30min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Mount Alto, WV
- Average sunshine days in January: 10.2 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index in January
Mount Alto, WV
- 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
Mount Alto, WV
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Mount Alto, 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).
Mount Alto, West Virginia, USA
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