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
January proves to be the coldest month, recording an average maximum temperature of 46.6°F (8.1°C) and a minimum temperature of 32.7°F (0.4°C).Humidity
The average relative humidity in January in Suffolk is 76%.Rainfall
In Suffolk, during January, the rain falls for 7.7 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Suffolk, Virginia, there are 132.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
Months with snowfall in Suffolk, Virginia, are January through March, November and December. In Suffolk, in January, snow falls for 2 days, with typically accumulated 0.39" (10mm) of snow. In Suffolk, during the entire year, snow falls for 4.8 days and aggregates up to 1.38" (35mm) of snow.Daylight
The average length of the day in January in Suffolk is 9h and 59min.On the first day of January, sunrise is at 7:18 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in January is 5.5h.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Suffolk?
What is the temperature in January in Suffolk?
What is the average humidity in January in Suffolk?
How many days does it rain in January in Suffolk?
How much does it snow in Suffolk in January?
How many hours of daylight does Suffolk have in January?
When is the sunrise / sunset in January in Suffolk?
How many hours of sunshine does Suffolk have in January?
What is the month with the lowest UV index in Suffolk?
What is the UV index intensity in January in Suffolk?
Average temperature in January
Suffolk, VA
- Average high temperature in January: 46.6°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in January: 32.7°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in January
Suffolk, VA
- Average pressure in January: 30.12"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
Suffolk, VA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Suffolk, VA
- Average humidity in January: 76%
The months with the highest relative humidity are May and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Suffolk, VA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in January
Suffolk, VA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in January
Suffolk, VA
- Average snowfall in January: 0.39"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Suffolk, VA
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Suffolk, VA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in January
Suffolk, VA
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in January
Suffolk, VA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Suffolk, 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 29).
Average visibility in January
Suffolk, 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).
Suffolk, Virginia, USA
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