January weather forecast
Flagtown, NJ

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Weather in January

January, the same as December, is an icy winter month in Flagtown, New Jersey, with an average temperature ranging between max 35.6°F (2°C) and min 23.4°F (-4.8°C).

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 35.6°F (2°C) and a low of 23.4°F (-4.8°C).

Humidity

In Flagtown, the average relative humidity in January is 76%.

Rainfall

In Flagtown, New Jersey, during January, the rain falls for 5.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Flagtown, New Jersey, during the entire year, the rain falls for 113.9 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Flagtown, in January, snow falls for 4.1 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, in Flagtown, there are 15.6 snowfall days, and 3.19" (81mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 40min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of January, in Flagtown, sunrise is at 7:09 am and sunset at 5:14 pm EST.

Sunshine

In January, the average sunshine in Flagtown, New Jersey, 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 Flagtown. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the coldest month in Flagtown?

In Flagtown, January registers the lowest temperatures, averaging 35.6°F (2°C) at the peak and 23.4°F (-4.8°C) at the lowest.

How cold is January in Flagtown?

An average high-temperature, in January, in Flagtown, is 35.6°F (2°C) and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in January in Flagtown?

The average relative humidity in January in Flagtown is 76%.

How much does it rain in Flagtown in January?

In Flagtown, New Jersey, in January, it is raining for 5.8 days, with typically 0.63" (16mm) of accumulated precipitation.

How many days does it snow in January in Flagtown?

In Flagtown, during January, snow falls for 4.1 days and regularly aggregates up to 0.59" (15mm) of snow.

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

In January, the average day length in Flagtown is 9h and 40min.

When are sunrise and sunset in January in Flagtown?

On the first day of January in Flagtown, New Jersey, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:14 pm EST.

How long on average sun shines in January in Flagtown?

In January, the average sunshine duration in Flagtown, New Jersey, is 5h.

What is the month with the lowest UV index in Flagtown?

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

What is the UV index reading in January in Flagtown?

The average daily maximum UV index in January in Flagtown, New Jersey, is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Flagtown, NJ

Average temperature in January - Flagtown, NJ
  • Average high temperature in January: 35.6°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in January
Flagtown, NJ

Average pressure in January - Flagtown, NJ
  • Average pressure in January: 30.07"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
Flagtown, NJ

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
Flagtown, NJ

Average humidity in January - Flagtown, NJ
  • Average humidity in January: 76%

The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in January
Flagtown, NJ

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

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.51").

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Average rainfall days in January
Flagtown, NJ

Average rainfall days in January - Flagtown, NJ
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in January
Flagtown, NJ

Average snowfall in January - Flagtown, NJ
  • Average snowfall in January: 0.59"

The month with the highest snowfall is March (0.87").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Flagtown, NJ

Average snowfall days in January - Flagtown, NJ
  • Average snowfall days in January: 4.1 days

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Flagtown, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Flagtown, NJ

Average sunshine days in January - Flagtown, NJ
  • Average sunshine days in January: 22 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is May (14.8 days).

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Average UV index in January
Flagtown, NJ

Average UV index in January - Flagtown, 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).

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Average cloud cover in January
Flagtown, NJ

Average cloud cover in January - Flagtown, NJ
  • Average cloud cover in January: 45

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 34).

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Average visibility in January
Flagtown, NJ

Average visibility in January - Flagtown, NJ
  • Average visibility in January: 6mi

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

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Flagtown, New Jersey, USA

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