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
With an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 30°F (-1.1°C), January is the coldest month.Humidity
The months with the lowest humidity are January, March and November, with an average relative humidity of 74%.Rainfall
January is the month with the least rainfall. Rain falls for 7.4 days and accumulates 0.98" (25mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall in Warren Grove. Snow falls for 4.3 days and accumulates 1.02" (26mm) of snow.Daylight
In January, the average length of the day is 9h and 44min.On the first day of January, sunrise is at 7:18 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:15 pm EST.
Sunshine
In Warren Grove, the average sunshine in January is 5.3h.UV index
January, February, November 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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
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?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January in Warren Grove?
When is the sunrise / sunset in January?
How many hours of sunshine does Warren Grove have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Warren Grove, NJ
- Average high temperature in January: 39.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in January: 30°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in January
Warren Grove, 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 (29.94"Hg).
Average wind speed in January
Warren Grove, NJ
- Average wind speed in January: 12.2mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in January
Warren Grove, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in January
Warren Grove, NJ
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Warren Grove, NJ
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Warren Grove, NJ
- Average snowfall in January: 1.02"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Warren Grove, NJ
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (4.3 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
Warren Grove, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 2min
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 0min).
Average sunshine days in January
Warren Grove, NJ
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in January
Warren Grove, 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, November and December (UV index 2).
Average cloud cover in January
Warren Grove, NJ
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Warren Grove, NJ
- 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).
Warren Grove, New Jersey, USA
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