January weather forecast
Glen Gardner, NJ

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Weather in January

January, like December, in Glen Gardner, New Jersey, is an icy winter month, with an average temperature varying between 35.1°F (1.7°C) and 22.3°F (-5.4°C).

Temperature

Glen Gardner's January weather, with an average high temperature of 35.1°F (1.7°C) and an average low temperature of 22.3°F (-5.4°C), tends to be the coldest of the year.

Humidity

In January, the average relative humidity is 77%.

Rainfall

In Glen Gardner, in January, it is raining for 6.8 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 125.9 rainfall days, and 14.06" (357mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Glen Gardner, in January, during 5.4 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Glen Gardner, during the entire year, snow falls for 19.3 days and aggregates up to 4.65" (118mm) of snow.

Daylight

The average length of the day in January in Glen Gardner is 9h and 39min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:15 pm EST.

Sunshine

In Glen Gardner, the average sunshine in January is 5h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January is the coldest month, with the temperature often reaching an average high of 35.1°F (1.7°C) and an average low of 22.3°F (-5.4°C).

How cold is January?

During January, Glen Gardner experiences an average high-temperature of 35.1°F (1.7°C) and a low-temperature of 22.3°F (-5.4°C).

What is the average humidity in January?

In Glen Gardner, the average relative humidity in January is 77%.

How many days does it rain in January?

In Glen Gardner, in January, it is raining for 6.8 days, with typically 0.83" (21mm) of accumulated precipitation.

How much does it snow in January?

In January, it is snowing for 5.4 days. Throughout January, 1.02" (26mm) of snow is accumulated.

How many hours of daylight does Glen Gardner have in January?

In Glen Gardner, the average day length in January is 9h and 39min.

When are sunrise and sunset in January in Glen Gardner?

In January, on the first day of the month, sunrise is at 7:23 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:15 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5h.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In January, the average daily maximum UV index in Glen Gardner is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Glen Gardner, NJ

Average temperature in January - Glen Gardner, NJ
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in January
Glen Gardner, NJ

Average pressure in January - Glen Gardner, NJ
  • Average pressure in January: 30.08"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
Glen Gardner, NJ

Average wind speed in January - Glen Gardner, NJ
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Glen Gardner, NJ

Average humidity in January - Glen Gardner, NJ
  • Average humidity in January: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in January
Glen Gardner, NJ

Average rainfall in January - Glen Gardner, NJ
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in January
Glen Gardner, NJ

Average rainfall days in January - Glen Gardner, NJ
  • Average rainfall days in January: 6.8 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in January
Glen Gardner, NJ

Average snowfall in January - Glen Gardner, NJ
  • Average snowfall in January: 1.02"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Glen Gardner, NJ

Average snowfall days in January - Glen Gardner, NJ
  • Average snowfall days in January: 5.4 days

The month with the highest number of snowfall days is February (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
Glen Gardner, NJ

Average daylight in January / Average sunshine in January - Glen Gardner, 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 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
Glen Gardner, NJ

Average sunshine days in January - Glen Gardner, NJ
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in January
Glen Gardner, NJ

Average UV index in January - Glen Gardner, 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
Glen Gardner, NJ

Average cloud cover in January - Glen Gardner, NJ
  • Average cloud cover in January: 46

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in January
Glen Gardner, NJ

Average visibility in January - Glen Gardner, NJ
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).

Glen Gardner, New Jersey, USA

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