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
In Princeton, January is the coldest month, with temperatures averaging a high of 49.1°F (9.5°C) and a low of 34.3°F (1.3°C).Humidity
The months with the lowest humidity are January, March and November, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 11 days and typically collects 1.93" (49mm) of precipitation.Snowfall
January through March and December are months with snowfall. In Princeton, during January, snow falls for 1.4 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 3.3 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 5min.On the first day of January, sunrise is at 7:21 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:38 pm EST.
Sunshine
The average sunshine in January in Princeton is 5.5h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are January temperatures?
What is the least humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Princeton have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Princeton, NC
- Average high temperature in January: 49.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in January: 34.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in January
Princeton, NC
- Average pressure in January: 30.13"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
Princeton, NC
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Princeton, NC
- Average humidity in January: 73%
The months with the highest relative humidity are August and September (78%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in January
Princeton, NC
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in January
Princeton, NC
- Average rainfall days in January: 11 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in January
Princeton, NC
- Average snowfall in January: 0.98"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Princeton, NC
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is January (1.4 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
Princeton, NC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Princeton, NC
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in January
Princeton, NC
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Princeton, NC
- Average cloud cover in January: 40
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in January
Princeton, NC
- 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).
Princeton, North Carolina, USA
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