January weather forecast
Amsterdam, NJ

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Weather in January

January, the same as December, is an icy winter month in Amsterdam, New Jersey, with an average temperature varying between 21.6°F (-5.8°C) and 34.3°F (1.3°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 34.3°F (1.3°C) and a low of 21.6°F (-5.8°C).

Humidity

In January, the average relative humidity is 78%.

Rainfall

In January, in Amsterdam, the rain falls for 7.1 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Amsterdam, New Jersey, there are 124.4 rainfall days, and 13.39" (340mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Amsterdam, New Jersey. In Amsterdam, in January, snow falls for 6.7 days, with typically accumulated 1.22" (31mm) of snow. In Amsterdam, during the entire year, snow falls for 22 days and aggregates up to 5" (127mm) of snow.

Daylight

The average length of the day in January is 9h and 40min.
On the first day of January, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:16 pm EST.

Sunshine

In Amsterdam, the average sunshine in January is 4.9h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during January leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What month is the coldest in Amsterdam?

January, with its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 21.6°F (-5.8°C), holds the record as the coldest month in Amsterdam.

How cold is January in Amsterdam?

In January, in Amsterdam, the average high-temperature is 34.3°F (1.3°C), and the average low-temperature is 21.6°F (-5.8°C).

What is the average humidity in January in Amsterdam?

The average relative humidity in January is 78%.

How many days does it rain in January in Amsterdam?

In January, in Amsterdam, New Jersey, the rain falls for 7.1 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Amsterdam in January?

In Amsterdam, in January, during 6.7 snowfall days, 1.22" (31mm) of snow is typically accumulated.

How many hours of daylight does Amsterdam have in January?

In January, the average day length in Amsterdam is 9h and 40min.

What time are sunrise and sunset in January in Amsterdam?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:43 pm. On the last day of the month, in Amsterdam, sunrise is at 7:11 am and sunset at 5:16 pm EST.

How long on average sun shines in January in Amsterdam?

In January, the average sunshine duration in Amsterdam is 4.9h.

What are the months with the lowest UV index in Amsterdam?

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

How high is the UV index in January in Amsterdam?

In Amsterdam, New Jersey, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
Amsterdam, NJ

Average temperature in January - Amsterdam, NJ
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Amsterdam, NJ

Average pressure in January - Amsterdam, NJ
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in January
Amsterdam, NJ

Average wind speed in January - Amsterdam, NJ
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Amsterdam, NJ

Average humidity in January - Amsterdam, NJ
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in January
Amsterdam, NJ

Average rainfall in January - Amsterdam, NJ
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in January
Amsterdam, NJ

Average rainfall days in January - Amsterdam, NJ
  • Average rainfall days in January: 7.1 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in January
Amsterdam, NJ

Average snowfall in January - Amsterdam, NJ
  • Average snowfall in January: 1.22"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Amsterdam, NJ

Average snowfall days in January - Amsterdam, NJ
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Amsterdam, 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 18min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Amsterdam, NJ

Average sunshine days in January - Amsterdam, NJ
  • Average sunshine days in January: 20.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).

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Average UV index in January
Amsterdam, NJ

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

The months with the highest UV index are June and July (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
Amsterdam, NJ

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

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

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Average visibility in January
Amsterdam, NJ

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

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

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Amsterdam, New Jersey, USA

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