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 sea temperature 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
In Newport News, the lowest average temperatures are observed in January, with a high of 44.8°F (7.1°C) and a low of 34.2°F (1.2°C).Humidity
In January, the average relative humidity in Newport News is 75%.Rainfall
In Newport News, Virginia, in January, during 9.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Newport News, there are 161.2 rainfall days, and 28.43" (722mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. In January, in Newport News, Virginia, it is snowing for 2.3 days. Throughout January, 0.47" (12mm) of snow is accumulated. Throughout the year, there are 6.3 snowfall days, and 1.73" (44mm) of snow is accumulated.Ocean temperature
In Newport News, Virginia, the average seawater temperature in January is 45.5°F (7.5°C).Note: Beware of 45.5°F (7.5°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
In January, the average length of the day in Newport News, Virginia, is 9h and 58min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:29 pm EST.
Sunshine
In January, the average sunshine is 5.5h.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index in Newport News. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 suggests this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the coldest month in Newport News?
What is the usual temperature for Newport News in January?
What is the average humidity in January in Newport News?
How many days does it rain in January in Newport News?
How many days does it snow in January in Newport News?
How cold is the water in January in Newport News?
What is the average length of the day in January in Newport News?
When is the sunrise / sunset in January in Newport News?
How long on average sun shines in January in Newport News?
What is the month with the lowest UV index in Newport News?
How high is the UV index in January in Newport News?
Average temperature in January
Newport News, VA
- Average high temperature in January: 44.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in January
Newport News, VA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Newport News, VA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in January
Newport News, VA
- Average humidity in January: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Newport News, VA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in January
Newport News, VA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Newport News, VA
- Average snowfall in January: 0.47"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Newport News, VA
- Average snowfall days in January: 2.3 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Newport News, VA
- Average sea temperature in January: 45.5°F
The best month for swimming (with the highest average sea temperature) is August (80°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight in January /
Average sunshine in January
Newport News, VA
- Average daylight in January: 10h and 0min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Newport News, VA
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in January
Newport News, VA
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Newport News, VA
- Average cloud cover in January: 40
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in January
Newport News, 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).
Newport News, Virginia, USA
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