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
The coldest month is January, with an average high-temperature of 34.5°F (1.4°C) and an average low-temperature of 21.6°F (-5.8°C).Humidity
In January, the average relative humidity in Pompton Plains, New Jersey, is 77%.Rainfall
In January, in Pompton Plains, the rain falls for 8.4 days. Throughout January, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 163.1 rainfall days, and 31.34" (796mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Pompton Plains. In Pompton Plains, in January, snow falls for 7.8 days, with typically accumulated 2.64" (67mm) of snow. In Pompton Plains, during the entire year, snow falls for 29.7 days and aggregates up to 13.31" (338mm) of snow.Daylight
In January, the average length of the day is 9h and 38min.On the first day of January in Pompton Plains, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm EST.
Sunshine
In Pompton Plains, New Jersey, the average sunshine in January is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. 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 maximum UV index of 2 during January leads to these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Pompton Plains?
How cold is it in Pompton Plains in January?
What is the average humidity in January in Pompton Plains?
How many days does it rain in January in Pompton Plains?
How many days does it snow in January in Pompton Plains?
What is the average length of the day in January in Pompton Plains?
When are sunrise and sunset in January in Pompton Plains?
How many hours of sunshine does Pompton Plains have in January?
What are the months with the lowest UV index in Pompton Plains?
What is the UV index intensity in January in Pompton Plains?
Average temperature in January
Pompton Plains, NJ
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Pompton Plains, NJ
- Average pressure in January: 30.06"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
Pompton Plains, NJ
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Pompton Plains, NJ
- Average humidity in January: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Pompton Plains, NJ
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is July (3.23").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Pompton Plains, NJ
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Pompton Plains, NJ
- Average snowfall in January: 2.64"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Pompton Plains, NJ
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Pompton Plains, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Pompton Plains, NJ
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in January
Pompton Plains, 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
Pompton Plains, NJ
- Average cloud cover in January: 47
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Pompton Plains, NJ
- Average visibility in January: 5mi
The months with the highest visibility are March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June and September (5mi).
Pompton Plains, New Jersey, USA
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