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, with average temperatures reaching a high of 38.5°F (3.6°C) and a low of 26.8°F (-2.9°C), is the coldest month.Humidity
In Cedar Brook, the average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall in Cedar Brook. Rain falls for 6.5 days and accumulates 0.63" (16mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. The months with the most snowfall in Cedar Brook are January and February, with an average 1.06" (27mm) of accumulated snow.Daylight
The average length of the day in January in Cedar Brook is 9h and 44min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:45 pm. On the last day of January, in Cedar Brook, sunrise is at 7:08 am and sunset at 5:17 pm EST.
Sunshine
In Cedar Brook, the average sunshine in January is 5.1h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Cedar Brook?
Is January cold in Cedar Brook?
What is the average humidity in January in Cedar Brook?
What is the driest month in Cedar Brook?
How many days does it rain in January in Cedar Brook?
What is the snowiest month in Cedar Brook?
How many days does it snow in January in Cedar Brook?
What is the average length of the day in January in Cedar Brook?
What time are sunrise and sunset in January in Cedar Brook?
How long on average sun shines in January in Cedar Brook?
What is the month with the lowest UV index in Cedar Brook?
What is the UV index reading in January in Cedar Brook?
Average temperature in January
Cedar Brook, NJ
- Average high temperature in January: 38.5°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 (38.5°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Cedar Brook, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Cedar Brook, NJ
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Cedar Brook, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Cedar Brook, NJ
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in January
Cedar Brook, NJ
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Cedar Brook, NJ
- Average snowfall in January: 1.06"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Cedar Brook, NJ
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (4 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
Cedar Brook, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Cedar Brook, NJ
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in January
Cedar Brook, NJ
- Average UV index in January: 2
The months with the highest UV index are May, 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
Cedar Brook, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Cedar Brook, 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).
Cedar Brook, New Jersey, USA
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