January weather forecast
Alpha, NJ

Weather in January

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

Temperature

The coldest month is January, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C).

Humidity

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

Rainfall

In Alpha, during 7.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Alpha, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.

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 January in Alpha, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:17 pm EST.

Sunshine

In January, the average sunshine 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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Alpha?

With an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month in Alpha.

What is the average humidity in January in Alpha?

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

How much does it rain in Alpha in January?

In Alpha, in January, it is raining for 7.1 days, with typically 0.87" (22mm) of accumulated precipitation.

How many days does it snow in January in Alpha?

In January, it is snowing for 6.7 days. Throughout January, 1.22" (31mm) of snow is accumulated.

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

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

When is the sunrise / sunset in January in Alpha?

On the first day of January in Alpha, New Jersey, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:17 pm EST.

How many hours of sunshine does Alpha have in January?

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

When is the lowest UV index in Alpha?

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

What is the UV index intensity in January in Alpha?

The average daily maximum UV index in January in Alpha, New Jersey, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.

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 40min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in January: 4.9h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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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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