January weather forecast
Blairstown, NJ

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Weather in January

January, the same as December, is an icy winter month in Blairstown, New Jersey, with an average temperature varying between 20.1°F (-6.6°C) and 33.3°F (0.7°C).

Temperature

January is the coldest month, exhibiting average temperatures of 33.3°F (0.7°C) at the peak and 20.1°F (-6.6°C) at the base.

Humidity

In January, the average relative humidity is 79%.

Rainfall

In January, the rain falls for 4.8 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. In Blairstown, during the entire year, the rain falls for 89.8 days and collects up to 8.07" (205mm) of precipitation.

Snowfall

Months with snowfall in Blairstown are January through May, October through December. The months with the most snowfall are January and February, with an average 0.91" (23mm) of accumulated snow.

Daylight

In January, the average length of the day in Blairstown is 9h and 38min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:15 pm EST.

Sunshine

In Blairstown, the average sunshine in January is 4.7h.

UV index

The average daily maximum UV index in January in Blairstown is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Blairstown?

With average temperatures fluctuating between a high of 33.3°F (0.7°C) and a low of 20.1°F (-6.6°C), January stands out as the coldest month in Blairstown.

How cold is January in Blairstown?

The average high-temperature and low-temperature in Blairstown during January are 33.3°F (0.7°C) and 20.1°F (-6.6°C) respectively.

What is the average humidity in January in Blairstown?

In Blairstown, New Jersey, the average relative humidity in January is 79%.

How many days does it rain in January in Blairstown?

In Blairstown, New Jersey, during January, the rain falls for 4.8 days and regularly aggregates up to 0.55" (14mm) of precipitation.

What is the snowiest month in Blairstown?

The months with the most snowfall in Blairstown, New Jersey, are January and February, with an average 0.91" (23mm) of accumulated snow.

How many days does it snow in January in Blairstown?

In Blairstown, during January, snow falls for 6.3 days and regularly aggregates up to 0.91" (23mm) of snow.

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

In January, the average day length in Blairstown, New Jersey, is 9h and 38min.

When is the sunrise / sunset in January in Blairstown?

On the first day of January in Blairstown, New Jersey, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:15 pm EST.

How many hours of sunshine does Blairstown have in January?

The average sunshine duration in January in Blairstown, New Jersey, is 4.7h.

What is the UV index intensity in January in Blairstown?

The average daily maximum UV index in January in Blairstown is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Blairstown, NJ

Average temperature in January - Blairstown, NJ
  • Average high temperature in January: 33.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in January: 20.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in January
Blairstown, NJ

Average pressure in January - Blairstown, 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
Blairstown, NJ

Average wind speed in January - Blairstown, NJ
  • Average wind speed in January: 7.7mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Blairstown, NJ

Average humidity in January - Blairstown, NJ
  • Average humidity in January: 79%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in January
Blairstown, NJ

Average rainfall in January - Blairstown, NJ
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in January
Blairstown, NJ

Average rainfall days in January - Blairstown, NJ
  • Average rainfall days in January: 4.8 days

The months with the highest number of rainy days are April and May (10.5 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in January
Blairstown, NJ

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

The months with the highest snowfall are January and February (0.91").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Blairstown, NJ

Average snowfall days in January - Blairstown, NJ
  • Average snowfall days in January: 6.3 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).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in January
Blairstown, NJ

Average sunshine days in January - Blairstown, NJ
  • Average sunshine days in January: 22.8 days

The month with the most sunshine days is September (23.2 days).
The month with the least sunshine days is April (18 days).

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Average UV index in January
Blairstown, NJ

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

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Blairstown, NJ

Average cloud cover in January - Blairstown, NJ
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in January
Blairstown, NJ

Average visibility in January - Blairstown, NJ
  • Average visibility in January: 5mi

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

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Blairstown, New Jersey, USA

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