January weather forecast
Interlaken, NJ

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Weather in January

January, like December, in Interlaken, New Jersey, is another cold winter month, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 38.3°F (3.5°C).

Temperature

With its high average temperature of 38.3°F (3.5°C) and a low of 28.9°F (-1.7°C), January is regarded as the coldest month.

Humidity

In January, the average relative humidity is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 6.9 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

January through March, October and December are months with snowfall. In January, it is snowing for 4.2 days. Throughout January, 0.28" (7mm) of snow is accumulated. In Interlaken, during the entire year, snow falls for 14.6 days and aggregates up to 1.38" (35mm) of snow.

Daylight

The average length of the day in January is 9h and 41min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

Sunshine

In January, the average sunshine in Interlaken is 5.1h.

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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Interlaken witnesses the coldest weather in January, with temperatures averaging a high of 38.3°F (3.5°C) and a low of 28.9°F (-1.7°C).

Is it cold during January?

The high-temperature, in January, in Interlaken, records 38.3°F (3.5°C), while the low-temperature is 28.9°F (-1.7°C).

What is the average humidity in January?

The average relative humidity in January is 74%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.9 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in January in Interlaken?

In January, the rain falls for 6.9 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in January?

In Interlaken, during January, snow falls for 4.2 days and regularly aggregates up to 0.28" (7mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 41min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

How many hours of sunshine does Interlaken have in January?

The average sunshine duration in January is 5.1h.

When is the lowest UV index?

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 intensity in January?

In Interlaken, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk 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
Interlaken, NJ

Average temperature in January - Interlaken, NJ
  • Average high temperature in January: 38.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in January: 28.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in January
Interlaken, NJ

Average pressure in January - Interlaken, NJ
  • Average pressure in January: 30.06"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).

Average wind speed in January
Interlaken, NJ

Average wind speed in January - Interlaken, NJ
  • Average wind speed in January: 12.6mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in January
Interlaken, NJ

Average humidity in January - Interlaken, NJ
  • Average humidity in January: 74%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Interlaken, NJ

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

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
Interlaken, NJ

Average rainfall days in January - Interlaken, NJ
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in January
Interlaken, NJ

Average snowfall in January - Interlaken, NJ
  • Average snowfall in January: 0.28"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

Average snowfall days in January
Interlaken, NJ

Average snowfall days in January - Interlaken, NJ
  • Average snowfall days in January: 4.2 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Interlaken, NJ
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Interlaken, NJ

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

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in January
Interlaken, NJ

Average UV index in January - Interlaken, 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).

Average cloud cover in January
Interlaken, NJ

Average cloud cover in January - Interlaken, NJ
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in January
Interlaken, NJ

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

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

Interlaken, New Jersey, USA

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