January weather forecast
Fair Lawn, NJ

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Weather in January

January, the same as December, is another cold winter month in Fair Lawn, New Jersey, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 35.2°F (1.8°C).

Temperature

In Fair Lawn, January records the lowest average temperatures, peaking at 35.2°F (1.8°C) and reaching a low of 23.4°F (-4.8°C).

Humidity

In Fair Lawn, New Jersey, the average relative humidity in January is 76%.

Rainfall

In Fair Lawn, in January, it is raining for 8.9 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 160.7 rainfall days, and 29.33" (745mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Fair Lawn, New Jersey, during January, snow falls for 7 days and regularly aggregates up to 1.93" (49mm) of snow. Throughout the year, there are 24.9 snowfall days, and 10.04" (255mm) of snow is accumulated.

Daylight

The average length of the day in January in Fair Lawn is 9h and 38min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:11 pm EST.

Sunshine

In Fair Lawn, the average sunshine in January is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fair Lawn. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Fair Lawn?

January, having an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.4°F (-4.8°C), is the coldest month in Fair Lawn.

How cold is January in Fair Lawn?

January temperatures in Fair Lawn, New Jersey, vary between a high-temperature of 35.2°F (1.8°C) and a low-temperature of 23.4°F (-4.8°C).

What is the average humidity in January in Fair Lawn?

In January, the average relative humidity in Fair Lawn, New Jersey, is 76%.

How much does it rain in Fair Lawn in January?

In Fair Lawn, in January, during 8.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

How much does it snow in Fair Lawn in January?

In January, in Fair Lawn, it is snowing for 7 days. Throughout January, 1.93" (49mm) of snow is accumulated.

What is the average length of the day in January in Fair Lawn?

The average day length in January in Fair Lawn is 9h and 38min.

What time are sunrise and sunset in January in Fair Lawn?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:11 pm EST.

How long on average sun shines in January in Fair Lawn?

In Fair Lawn, the average sunshine duration in January is 5h.

When is the lowest UV index in Fair Lawn?

The months with the lowest UV index in Fair Lawn, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Fair Lawn?

In January, the average daily maximum UV index in Fair Lawn is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fair Lawn, NJ

Average temperature in January - Fair Lawn, NJ
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in January
Fair Lawn, NJ

Average pressure in January - Fair Lawn, 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
Fair Lawn, NJ

Average wind speed in January - Fair Lawn, NJ
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in January
Fair Lawn, NJ

Average humidity in January - Fair Lawn, NJ
  • Average humidity in January: 76%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in January
Fair Lawn, NJ

Average rainfall in January - Fair Lawn, NJ
  • Average rainfall in January: 1.81"

The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in January
Fair Lawn, NJ

Average rainfall days in January - Fair Lawn, NJ
  • Average rainfall days in January: 8.9 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in January
Fair Lawn, NJ

Average snowfall in January - Fair Lawn, NJ
  • Average snowfall in January: 1.93"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Fair Lawn, NJ

Average snowfall days in January - Fair Lawn, NJ
  • Average snowfall days in January: 7 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Fair Lawn, NJ

Average daylight in January / Average sunshine in January - Fair Lawn, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Fair Lawn, NJ

Average sunshine days in January - Fair Lawn, NJ
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in January
Fair Lawn, NJ

Average UV index in January - Fair Lawn, 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
Fair Lawn, NJ

Average cloud cover in January - Fair Lawn, NJ
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Fair Lawn, NJ

Average visibility in January - Fair Lawn, 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).

Fair Lawn, New Jersey, USA

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