January weather forecast
Haledon, NJ

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Weather in January

January, the same as December, is an icy winter month in Haledon, New Jersey, with an average temperature fluctuating between 23.4°F (-4.8°C) and 35.2°F (1.8°C).

Temperature

Haledon experiences its lowest temperatures in January, with an average peak of 35.2°F (1.8°C) and a low of 23.4°F (-4.8°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Haledon, in January, during 8.9 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Haledon, New Jersey, during the entire year, the rain falls for 160.7 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Haledon, in January, snow falls for 7 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, there are 24.9 snowfall days, and 10.04" (255mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 38min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:12 pm EST.

Sunshine

In January, the average sunshine in Haledon 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. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What time of the year is the coldest?

The coldest time of the year is January, with temperatures averaging a high of 35.2°F (1.8°C) and a low of 23.4°F (-4.8°C).

How cold is it in January?

January temperatures in Haledon 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 January, the average relative humidity in Haledon is 76%.

How many days does it rain in January?

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

How many days does it snow in January?

In Haledon, during January, snow falls for 7 days and regularly aggregates up to 1.93" (49mm) of snow.

How many hours of daylight does Haledon have in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:21 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm EST.

How many hours of sunshine does Haledon have in January?

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

What are the months with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index in Haledon is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Haledon, NJ

Average temperature in January - Haledon, 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
Haledon, NJ

Average pressure in January - Haledon, 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
Haledon, NJ

Average wind speed in January - Haledon, 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
Haledon, NJ

Average humidity in January - Haledon, 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
Haledon, NJ

Average rainfall in January - Haledon, 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
Haledon, NJ

Average rainfall days in January - Haledon, 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
Haledon, NJ

Average snowfall in January - Haledon, 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
Haledon, NJ

Average snowfall days in January - Haledon, 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
Haledon, NJ

Average daylight in January / Average sunshine in January - Haledon, 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
Haledon, NJ

Average sunshine days in January - Haledon, 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
Haledon, NJ

Average UV index in January - Haledon, 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
Haledon, NJ

Average cloud cover in January - Haledon, 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
Haledon, NJ

Average visibility in January - Haledon, 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).

Haledon, New Jersey, USA

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