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
Graves Mill's January weather reaches an average high of 39.2°F (4°C) and an average low of 24.4°F (-4.2°C), making it the coldest month.Humidity
The months with the lowest humidity are January and July, with an average relative humidity of 74%.Rainfall
In Graves Mill, in January, during 3.8 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Graves Mill, during the entire year, the rain falls for 64.9 days and collects up to 5.51" (140mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Graves Mill, in January, during 2.4 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Graves Mill, during the entire year, snow falls for 9.1 days and aggregates up to 1.65" (42mm) of snow.Daylight
The average length of the day in January is 9h and 51min.On the first day of January, sunrise is at 7:30 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:34 pm EST.
Sunshine
In January, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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 precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Graves Mill?
How cold does it get in January?
What is the least humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Graves Mill have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Graves Mill, VA
- Average high temperature in January: 39.2°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in January: 24.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in January
Graves Mill, VA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Graves Mill, VA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in January
Graves Mill, VA
- Average humidity in January: 74%
The months with the highest relative humidity are May, September, October and December (78%).
The months with the lowest relative humidity are January and July (74%).
Average rainfall in January
Graves Mill, VA
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is August (0.71").
The driest month (with the least rainfall) is September (0.16").
Average rainfall days in January
Graves Mill, VA
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is April (7.3 days).
The months with the least rainy days are January and November (3.8 days).
Average snowfall in January
Graves Mill, VA
- Average snowfall in January: 0.31"
The month with the highest snowfall is March (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Graves Mill, VA
- Average snowfall days in January: 2.4 days
The months with the highest number of snowfall days are January and February (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Graves Mill, VA
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Graves Mill, VA
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is October (25.4 days).
The months with the least sunshine days are April, May and August (21.5 days).
Average UV index in January
Graves Mill, 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, February, November and December (UV index 2).
Average cloud cover in January
Graves Mill, VA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Graves Mill, VA
- Average visibility in January: 5mi
The months with the highest visibility are July and November (6mi).
The month with the lowest visibility is September (4mi).
Graves Mill, Virginia, USA
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