January weather forecastPetersburg, VA
January
Weather in January
January in Petersburg, Virginia starts off the year with moderately cold weather. Skies over the city mostly stay cloudy. The steadily blowing wind from the north is one key characteristic for January, adding to the chill factor. Daylight duration is the lowest in comparison to other months, accompanying a frozen turf due to snowfall. Remarkably, this month records the lowest average temperature that drops to 30°F (-1.1°C) and averages to no more than 45.3°F (7.4°C).Temperature
The coldest time of the year is January, with temperatures averaging a high of 45.3°F (7.4°C) and a low of 30°F (-1.1°C).Humidity
In January, the average relative humidity in Petersburg is 74%.Rainfall
In Petersburg, in January, it is raining for 7.1 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Petersburg, Virginia, there are 109.6 rainfall days, and 9.96" (253mm) of precipitation is accumulated.Snowfall
Months with snowfall in Petersburg are January through April, November and December. In January, in Petersburg, it is snowing for 1.8 days. Throughout January, 0.28" (7mm) of snow is accumulated. In Petersburg, during the entire year, snow falls for 5.5 days and aggregates up to 1.3" (33mm) of snow.Daylight
In January, the average length of the day in Petersburg is 9h and 57min.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 in Petersburg, Virginia, is 5.5h.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 low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Petersburg, VA
- Average high temperature in January: 45.3°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 (45.3°F).
- Average low temperature in January: 30°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°F).
Average pressure in January
Petersburg, 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
Petersburg, VA
- Average wind speed in January: 7mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Petersburg, VA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Petersburg, VA
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is August (1.22").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in January
Petersburg, VA
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is October (5.6 days).
Average snowfall in January
Petersburg, VA
- Average snowfall in January: 0.28"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Petersburg, VA
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is January (1.8 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
Petersburg, 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 42min).
- Average sunshine in January: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in January
Petersburg, VA
- Average sunshine days in January: 21.7 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in January
Petersburg, VA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Petersburg, VA
- Average cloud cover in January: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Petersburg, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
