January weather forecastMarengo, VA
January
Weather in January
January, the same as December, in Marengo, Virginia, is another chilly winter month, with an average temperature fluctuating between 45.9°F (7.7°C) and 30.6°F (-0.8°C).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 45.9°F (7.7°C) to a low of 30.6°F (-0.8°C).Humidity
The average relative humidity in January is 74%.Rainfall
In Marengo, in January, during 10.4 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 159.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Marengo, in January, during 3.2 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Marengo, during the entire year, snow falls for 8.8 days and aggregates up to 7.13" (181mm) of snow.Daylight
In Marengo, the average length of the day in January is 9h and 59min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:07 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:36 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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Marengo, VA
- Average high temperature in January: 45.9°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Marengo, VA
- 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
Marengo, VA
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Marengo, VA
- Average humidity in January: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Marengo, VA
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Marengo, VA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in January
Marengo, VA
- Average snowfall in January: 1.93"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Marengo, VA
- Average snowfall days in January: 3.2 days
The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Marengo, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Marengo, VA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Marengo, 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
Marengo, VA
- Average cloud cover in January: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in January
Marengo, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





