January weather forecast and climate
Montgomery, NJ

Weather in January

January, the same as December, is a wintry winter month in Montgomery, New Jersey, with average temperature varying between 23°F (-5°C) and 35.4°F (1.9°C).

Temperature

The coldest month is January, with an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23°F (-5°C).

Humidity

In Montgomery, the average relative humidity is 76%.

Rainfall

In Montgomery, during 5.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Montgomery, New Jersey, during the entire year, the rain falls for 112.6 days and collects up to 11.77" (299mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Montgomery. In January, it is snowing for 4.6 days. Throughout January, 0.67" (17mm) of snow is accumulated. In Montgomery, during the entire year, snow falls for 16.7 days, and aggregates up to 3.98" (101mm) of snow.

Daylight

The average length of the day in January is 9.7h.

Sunshine

The average sunshine in Montgomery is 4.8h.

UV index

Months with the lowest UV index in Montgomery 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 minimal health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Montgomery?

The coldest month in Montgomery, New Jersey, is January, with an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 23°F (-5°C).

What is the temperature in January in Montgomery?

The average high-temperature, in January, is 35.4°F (1.9°C), while the average low-temperature is 23°F (-5°C).

What is the average humidity in January in Montgomery?

In Montgomery, the average relative humidity in January is 76%.

How many days does it rain in January in Montgomery?

In January, in Montgomery, New Jersey, the rain falls for 5.5 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

How much does it snow in Montgomery in January?

In Montgomery, during January, snow falls for 4.6 days and regularly aggregates up to 0.67" (17mm) of snow.

How many hours of daylight does Montgomery have in January?

In January, the average length of the day in Montgomery, New Jersey, is 9.7h.

How long on average sun shines in January in Montgomery?

In January, the average sunshine in Montgomery, New Jersey, is 4.8h.

What is the month with the lowest UV index in Montgomery?

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

What is the UV index reading in January in Montgomery?

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

Average temperature in January
Montgomery, NJ

Average temperature in January - Montgomery, NJ
  • Average high temperature in January: 35.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in January: 23°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in January
Montgomery, NJ

Average pressure in January - Montgomery, NJ
  • Average pressure in January: 30.08"

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
Montgomery, NJ

Average wind speed in January - Montgomery, NJ
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Montgomery, NJ

Average humidity in January - Montgomery, NJ
  • Average humidity in January: 76%

Months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in January
Montgomery, NJ

Average rainfall in January - Montgomery, NJ
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days in January
Montgomery, NJ

Average rainfall days in January - Montgomery, NJ
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in January
Montgomery, NJ

Average snowfall in January - Montgomery, NJ
  • Average snowfall in January: 0.67"

The month with the highest snowfall is March (1.1").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Montgomery, NJ

Average snowfall days in January - Montgomery, NJ
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is February (5.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Montgomery, NJ
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 4.8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in January
Montgomery, NJ

Average sunshine days in January - Montgomery, NJ
  • Average sunshine days in January: 21.4 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).

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Average UV index in January
Montgomery, NJ

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

Months with the highest UV index are May, June, July and August (UV index 6).
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
Montgomery, NJ

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

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

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Average visibility in January
Montgomery, NJ

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

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

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