January weather forecast and climate
Blairstown, NJ

Weather in January

January, like December, in Blairstown, New Jersey, is a wintry winter month, with average temperature fluctuating between 20.1°F (-6.6°C) and 33.3°F (0.7°C).

Temperature

The coldest month is January, with an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 20.1°F (-6.6°C).

Humidity

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

Rainfall

In Blairstown, in January, it is raining for 4.8 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 89.8 rainfall days, and 8.07" (205mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Blairstown, the average length of the day in January is 9.6h.

Sunshine

In Blairstown, the average sunshine is 4.7h.

UV index

The average daily maximum UV index in Blairstown is 2. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Blairstown?

With an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 20.1°F (-6.6°C), January is the coldest month in Blairstown.

What is the temperature in January in Blairstown?

In Blairstown, New Jersey, in January, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 20.1°F (-6.6°C).

What is the average humidity in January in Blairstown?

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

How much does it rain in Blairstown in January?

In January, the rain falls for 4.8 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in January in Blairstown?

In Blairstown, New Jersey, in January, during 6.3 snowfall days, 0.91" (23mm) of snow is typically accumulated.

When does it snow the most in Blairstown?

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

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

The average length of the day in January is 9.6h.

How many hours of sunshine does Blairstown have in January?

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

What is the UV index intensity in January in Blairstown?

In Blairstown, New Jersey, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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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%

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

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"

Months with the highest snowfall are January and February (0.91").
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).
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: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 4.7h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.3h).

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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).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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