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 Plainsboro Center, the lowest average temperatures are observed in January, with a high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C).Humidity
In Plainsboro Center, New Jersey, the average relative humidity in January is 75%.Rainfall
In January, the rain falls for 6.1 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. In Plainsboro Center, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Plainsboro Center, during January, snow falls for 4.6 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, there are 16.4 snowfall days, and 4.41" (112mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 41min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:14 pm EST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Plainsboro Center have in January?
When are sunrise and sunset in January in Plainsboro Center?
How many hours of sunshine does Plainsboro Center have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Plainsboro Center, NJ
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Plainsboro Center, NJ
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Plainsboro Center, NJ
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Plainsboro Center, NJ
- Average humidity in January: 75%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Plainsboro Center, NJ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in January
Plainsboro Center, NJ
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in January
Plainsboro Center, NJ
- Average snowfall in January: 0.79"
The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Plainsboro Center, NJ
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Plainsboro Center, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Plainsboro Center, NJ
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in January
Plainsboro Center, NJ
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Plainsboro Center, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
Plainsboro Center, NJ
- 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).
Plainsboro Center, New Jersey, USA
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