January weather forecastChester, VA
January
Weather in January
January, the same as December, in Chester, Virginia, is a frosty winter month, with an average temperature fluctuating between 45°F (7.2°C) and 29.7°F (-1.3°C).Temperature
With average high temperatures of 45°F (7.2°C) and lows of 29.7°F (-1.3°C), January is the coldest month.Humidity
In Chester, Virginia, the average relative humidity in January is 73%.Rainfall
In Chester, Virginia, during January, the rain falls for 9 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 143.2 rainfall days, and 22.36" (568mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Chester, during January, snow falls for 2.3 days and regularly aggregates up to 0.87" (22mm) of snow. In Chester, during the entire year, snow falls for 8.7 days and aggregates up to 4.41" (112mm) of snow.Daylight
In January, the average length of the day is 9h and 56min.On the first day of January, sunrise is at 7:23 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in January is 5.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chester, VA
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in January: 29.7°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in January
Chester, 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
Chester, VA
- Average wind speed in January: 6.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Chester, 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 (68%).
Average rainfall in January
Chester, VA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in January
Chester, VA
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in January
Chester, VA
- Average snowfall in January: 0.87"
The months with the highest snowfall are February and March (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Chester, VA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (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
Chester, VA
- Average daylight in January: 9h and 54min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Chester, VA
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in January
Chester, VA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Chester, VA
- Average cloud cover in January: 41
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
Chester, 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).
