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 its high-temperature average of 37.6°F (3.1°C) and a low-temperature average of 24.3°F (-4.3°C), is the coldest month.Humidity
The months with the highest humidity in Mount Alto, West Virginia, are January and February, with an average relative humidity of 82%.Rainfall
In Mount Alto, in January, it is raining for 12 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 178.2 rainfall days, and 35.35" (898mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mount Alto. In Mount Alto, during January, snow falls for 12.5 days and regularly aggregates up to 4.13" (105mm) of snow. In Mount Alto, during the entire year, snow falls for 40.4 days and aggregates up to 15.91" (404mm) of snow.Daylight
In Mount Alto, West Virginia, 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
With an average of 3.5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Mount Alto, West Virginia, are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Mount Alto?
Is January cold in Mount Alto?
What is the most humid month in Mount Alto?
What is the average humidity in January in Mount Alto?
How many days does it rain in January in Mount Alto?
How much does it snow in Mount Alto in January?
What is the average length of the day in January in Mount Alto?
What time are sunrise and sunset in January in Mount Alto?
What is the month with the least sunshine in Mount Alto?
How long on average sun shines in January in Mount Alto?
When is the lowest UV index in Mount Alto?
What is the UV index reading in January in Mount Alto?
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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