January weather forecast
Marlton, NJ

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Weather in January

January, the same as December, is an icy winter month in Marlton, New Jersey, with an average temperature ranging between min 25.5°F (-3.6°C) and max 37.8°F (3.2°C).

Temperature

Marlton's coldest temperatures are experienced in January, with average high temperatures of 37.8°F (3.2°C) and lows of 25.5°F (-3.6°C).

Humidity

In January, the average relative humidity in Marlton, New Jersey, is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.63" (16mm) of precipitation.

Snowfall

Months with snowfall in Marlton, New Jersey, are January through March, November and December. In Marlton, in January, snow falls for 3.9 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, in Marlton, New Jersey, there are 12.9 snowfall days, and 3.23" (82mm) of snow is accumulated.

Daylight

In Marlton, the average length of the day in January is 9h and 43min.
On the first day of January in Marlton, New Jersey, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:17 pm EST.

Sunshine

In January, the average sunshine in Marlton is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 in January translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Marlton?

January is the coldest month, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 25.5°F (-3.6°C).

How cold is it in Marlton in January?

The high-temperature in Marlton, New Jersey, during January is 37.8°F (3.2°C) and the low-temperature is 25.5°F (-3.6°C).

What is the average humidity in January in Marlton?

In January, the average relative humidity in Marlton is 74%.

What is the driest month in Marlton?

The month with the least rainfall in Marlton is January, when the rain falls for 6.3 days and typically collects 0.63" (16mm) of precipitation.

How much does it rain in Marlton in January?

In January, in Marlton, New Jersey, the rain falls for 6.3 days. Throughout January, 0.63" (16mm) of precipitation is accumulated.

How much does it snow in Marlton in January?

In Marlton, in January, during 3.9 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the average length of the day in January in Marlton?

In January, the average day length in Marlton, New Jersey, is 9h and 43min.

When are sunrise and sunset in January in Marlton?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of the month, in Marlton, sunrise is at 7:08 am and sunset at 5:17 pm EST.

How long on average sun shines in January in Marlton?

In January, the average sunshine duration is 5h.

When is the lowest UV index in Marlton?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marlton, New Jersey.

What is the UV index intensity in January in Marlton?

The average daily maximum UV index in January in Marlton is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Marlton, NJ

Average temperature in January - Marlton, NJ
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 25.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in January
Marlton, NJ

Average pressure in January - Marlton, 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).

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Average wind speed in January
Marlton, NJ

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

The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in January
Marlton, NJ

Average humidity in January - Marlton, 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 (72%).

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Average rainfall in January
Marlton, NJ

Average rainfall in January - Marlton, NJ
  • Average rainfall in January: 0.63"

The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in January
Marlton, NJ

Average rainfall days in January - Marlton, NJ
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in January
Marlton, NJ

Average snowfall in January - Marlton, NJ
  • Average snowfall in January: 0.91"

The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Marlton, NJ

Average snowfall days in January - Marlton, NJ
  • Average snowfall days in January: 3.9 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Marlton, NJ

Average daylight in January / Average sunshine in January - Marlton, 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 24min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in January
Marlton, NJ

Average sunshine days in January - Marlton, NJ
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).

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Average UV index in January
Marlton, NJ

Average UV index in January - Marlton, 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).

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Average cloud cover in January
Marlton, NJ

Average cloud cover in January - Marlton, NJ
  • Average cloud cover in January: 44

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in January
Marlton, NJ

Average visibility in January - Marlton, 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).

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Marlton, New Jersey, USA

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