January weather forecastHorntown, VA
January
Weather in January
January, the same as December, in Horntown, Virginia, is a frosty winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 43.5°F (6.4°C).Temperature
The coldest month is January, with an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 33.3°F (0.7°C).Humidity
January is the least humid month in Horntown, with an average relative humidity of 73%.Rainfall
In Horntown, Virginia, during January, the rain falls for 8.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 128 rainfall days, and 16.1" (409mm) of precipitation is accumulated.Snowfall
Months with snowfall in Horntown are January through March, November and December. In Horntown, Virginia, during January, snow falls for 1.7 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 5.5 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
In Horntown, Virginia, the average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:17 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:23 pm EST.
Sunshine
In January, the average sunshine is 5.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Horntown, VA
- Average high temperature in January: 43.5°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 (43.5°F).
- Average low temperature in January: 33.3°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in January
Horntown, VA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Horntown, VA
- Average wind speed in January: 11.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in January
Horntown, VA
- Average humidity in January: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in January
Horntown, VA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is May (1.06").
Average rainfall days in January
Horntown, VA
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in January
Horntown, VA
- Average snowfall in January: 0.16"
The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Horntown, VA
- Average snowfall days in January: 1.7 days
The months with the highest number of snowfall days are January and February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Horntown, VA
- Average daylight in January: 9h and 54min
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 36min).
- Average sunshine in January: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in January
Horntown, VA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in January
Horntown, VA
- 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 and December (UV index 2).
Average cloud cover in January
Horntown, VA
- Average cloud cover in January: 42
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Horntown, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
