January weather forecast
Alpha, NJ

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Weather in January

January, like December, in Alpha, New Jersey, is an icy winter month, with an average temperature ranging between max 34.3°F (1.3°C) and min 21.6°F (-5.8°C).

Temperature

In Alpha, the lowest temperatures are generally noted in January, averaging a high of 34.3°F (1.3°C) and a low of 21.6°F (-5.8°C).

Humidity

The average relative humidity in January in Alpha is 78%.

Rainfall

In Alpha, in January, it is raining for 7.1 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 124.4 rainfall days, and 13.39" (340mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Alpha, during January, snow falls for 6.7 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, in Alpha, there are 22 snowfall days, and 5" (127mm) 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 7:24 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:16 pm EST.

Sunshine

The average sunshine in January in Alpha is 4.9h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the coldest time of year in Alpha?

The coldest temperatures occur during January, when averages reach a peak of 34.3°F (1.3°C) and a low of 21.6°F (-5.8°C).

How cold is it in Alpha in January?

In Alpha, 34.3°F (1.3°C) is the average high-temperature and 21.6°F (-5.8°C) is the average low-temperature during January.

What is the average humidity in January in Alpha?

In Alpha, the average relative humidity in January is 78%.

How much does it rain in Alpha in January?

In Alpha, New Jersey, in January, during 7.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in January in Alpha?

In Alpha, New Jersey, in January, during 6.7 snowfall days, 1.22" (31mm) of snow is typically accumulated.

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

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

What time are sunrise and sunset in January in Alpha?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:16 pm EST.

How many hours of sunshine does Alpha have in January?

In January, the average sunshine duration in Alpha is 4.9h.

What are the months with the lowest UV index in Alpha?

The months with the lowest UV index in Alpha, 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 Alpha?

The average daily maximum UV index in January in Alpha is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Alpha, NJ

Average temperature in January - Alpha, NJ
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Alpha, NJ

Average pressure in January - Alpha, NJ
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Alpha, NJ

Average wind speed in January - Alpha, NJ
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Alpha, NJ

Average humidity in January - Alpha, NJ
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in January
Alpha, NJ

Average rainfall in January - Alpha, NJ
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in January
Alpha, NJ

Average rainfall days in January - Alpha, NJ
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in January
Alpha, NJ

Average snowfall in January - Alpha, NJ
  • Average snowfall in January: 1.22"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Alpha, NJ

Average snowfall days in January - Alpha, NJ
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is February (6.8 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
Alpha, NJ

Average daylight in January / Average sunshine in January - Alpha, 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: 4h and 5min

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).

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Average sunshine days in January
Alpha, NJ

Average sunshine days in January - Alpha, NJ
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

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Average UV index in January
Alpha, NJ

Average UV index in January - Alpha, NJ
  • Average UV index in January: 2

The months with the highest UV index are June and July (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
Alpha, NJ

Average cloud cover in January - Alpha, NJ
  • Average cloud cover in January: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in January
Alpha, NJ

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

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

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Alpha, New Jersey, USA

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