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
During the coldest month, January, temperatures average a high of 43.9°F (6.6°C) and a low of 28.9°F (-1.7°C).Humidity
The average relative humidity in January is 73%.Rainfall
In Glen Allen, in January, during 9.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Glen Allen, during the entire year, the rain falls for 152.8 days and collects up to 27.09" (688mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Glen Allen, during January, snow falls for 3.8 days and regularly aggregates up to 1.81" (46mm) of snow. Throughout the year, there are 11.7 snowfall days, and 7.01" (178mm) of snow is accumulated.Daylight
In January, the average length of the day in Glen Allen is 9h and 55min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in January in Glen Allen, Virginia, is 5.5h.UV index
The months with the lowest UV index in Glen Allen are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Glen Allen?
Is it cold in Glen Allen during January?
What is the average humidity in January in Glen Allen?
How many days does it rain in January in Glen Allen?
How many days does it snow in January in Glen Allen?
What is the average length of the day in January in Glen Allen?
What time are sunrise and sunset in January in Glen Allen?
How many hours of sunshine does Glen Allen have in January?
What is the month with the lowest UV index in Glen Allen?
What is the UV index intensity in January in Glen Allen?
Average temperature in January
Glen Allen, VA
- Average high temperature in January: 43.9°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in January: 28.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in January
Glen Allen, VA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Glen Allen, VA
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Glen Allen, VA
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Glen Allen, VA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in January
Glen Allen, VA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in January
Glen Allen, VA
- Average snowfall in January: 1.81"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Glen Allen, VA
- Average snowfall days in January: 3.8 days
The months with the highest number of snowfall days are January and February (3.8 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
Glen Allen, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Glen Allen, VA
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Glen Allen, VA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Glen Allen, VA
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Glen Allen, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).
Glen Allen, Virginia, USA
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