January weather forecast
Florham Park, NJ

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Weather in January

January, the same as December, is another cold winter month in Florham Park, New Jersey, with an average temperature fluctuating between 22.5°F (-5.3°C) and 35.1°F (1.7°C).

Temperature

The month of January sees the lowest average temperatures, reaching 35.1°F (1.7°C) at the peak and 22.5°F (-5.3°C) at the low.

Humidity

In Florham Park, the average relative humidity in January is 77%.

Rainfall

In Florham Park, New Jersey, during January, the rain falls for 8.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Florham Park, during the entire year, the rain falls for 164.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

Months with snowfall in Florham Park are January through May, October through December. In Florham Park, in January, during 7.6 snowfall days, 2.17" (55mm) of snow is typically accumulated. In Florham Park, during the entire year, snow falls for 26 days and aggregates up to 11.61" (295mm) of snow.

Daylight

In January, the average length of the day in Florham Park, New Jersey, is 9h and 39min.
On the first day of January, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.

Sunshine

In Florham Park, New Jersey, the average sunshine in January is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Florham Park. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 during January translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Florham Park?

January, having an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 22.5°F (-5.3°C), is the coldest month in Florham Park.

How cold is January in Florham Park?

The average high-temperature and low-temperature during January are 35.1°F (1.7°C) and 22.5°F (-5.3°C) respectively.

What is the average humidity in January in Florham Park?

In Florham Park, the average relative humidity in January is 77%.

How many days does it rain in January in Florham Park?

In January, in Florham Park, the rain falls for 8.8 days. Throughout January, 1.93" (49mm) of precipitation is accumulated.

How much does it snow in Florham Park in January?

In Florham Park, New Jersey, in January, snow falls for 7.6 days, with typically accumulated 2.17" (55mm) of snow.

What is the average length of the day in January in Florham Park?

In January, the average day length in Florham Park, New Jersey, is 9h and 39min.

What time are sunrise and sunset in January in Florham Park?

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm EST.

How many hours of sunshine does Florham Park have in January?

In Florham Park, New Jersey, the average sunshine duration in January is 4.9h.

What is the month with the lowest UV index in Florham Park?

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

What is the UV index intensity in January in Florham Park?

In January, the average daily maximum UV index in Florham Park, New Jersey, is 2. A UV Index 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
Florham Park, NJ

Average temperature in January - Florham Park, NJ
  • Average high temperature in January: 35.1°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in January
Florham Park, NJ

Average pressure in January - Florham Park, 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
Florham Park, NJ

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
Florham Park, NJ

Average humidity in January - Florham Park, NJ
  • Average humidity in January: 77%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).

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Average rainfall in January
Florham Park, NJ

Average rainfall in January - Florham Park, NJ
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in January
Florham Park, NJ

Average rainfall days in January - Florham Park, NJ
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in January
Florham Park, NJ

Average snowfall in January - Florham Park, NJ
  • Average snowfall in January: 2.17"

The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Florham Park, NJ

Average snowfall days in January - Florham Park, NJ
  • Average snowfall days in January: 7.6 days

The month with the highest number of snowfall days is January (7.6 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
Florham Park, NJ

Average daylight in January / Average sunshine in January - Florham Park, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Florham Park, NJ

Average sunshine days in January - Florham Park, NJ
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in January
Florham Park, NJ

Average UV index in January - Florham Park, NJ
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (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
Florham Park, NJ

Average cloud cover in January - Florham Park, NJ
  • Average cloud cover in January: 46

The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in January
Florham Park, NJ

Average visibility in January - Florham Park, NJ
  • Average visibility in January: 6mi

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

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Florham Park, New Jersey, USA

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