January weather forecast
New York, NY

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The sunset view over skyscrapers in New York City, USA
The sunset view over skyscrapers in New York City, USA

Weather in January

New York weather in January is typically frigid and snowy, making it the coldest month of all. January comes with highs around 36.5°F (2.5°C) and lows of 26.1°F (-3.3°C). This month experiences a slight cloud cover, which can partly obstruct the city's iconic skyline. As January progresses, the length of daylight slightly increases, promoting activities during the day. The frosty winds and significant snowfall add to the overall chilly ambiance of New York.

Temperature

New York experiences its lowest temperatures in January, with an average peak of 36.5°F (2.5°C) and a low of 26.1°F (-3.3°C).

Humidity

In New York, the average relative humidity in January is 74%.

Rainfall

January is the month with the least rainfall in New York, New York. Rain falls for 9.1 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in New York. In New York, in January, during 5.8 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, in New York, there are 19.2 snowfall days, and 7.8" (198mm) of snow is accumulated.

Ocean temperature

In New York, in January, the average water temperature is 41.7°F (5.4°C).
Note: Swimming in 41.7°F (5.4°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.

Daylight

The average length of the day in January is 9h and 39min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:11 pm EST.

Sunshine

In January, the average sunshine is 5.2h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 2 during January leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 13, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What part of the year is the coldest in New York?

New York's January weather reaches an average high of 36.5°F (2.5°C) and an average low of 26.1°F (-3.3°C), making it the coldest month.

How cold is January in New York?

In New York, in January, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January in New York?

The average relative humidity in January in New York, New York, is 74%.

What is the driest month in New York?

The month with the least rainfall in New York is January, when the rain falls for 9.1 days and typically collects 2.17" (55mm) of precipitation.

How many days does it rain in January in New York?

In January, in New York, New York, the rain falls for 9.1 days. Throughout January, 2.17" (55mm) of precipitation is accumulated.

How much does it snow in New York in January?

In New York, New York, in January, during 5.8 snowfall days, 1.57" (40mm) of snow is typically accumulated.

What is the water temperature in January in New York?

In New York, in January, the average water temperature is 41.7°F (5.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in January in New York?

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

When are sunrise and sunset in January in New York?

On the first day of January in New York, sunrise is at 7:19 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:11 pm EST.

How many hours of sunshine does New York have in January?

In New York, the average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in New York?

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

How high is the UV index in January in New York?

The average daily maximum UV index in January in New York is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
New York, NY

Average temperature in January - New York, NY
  • Average high temperature in January: 36.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in January
New York, NY

Average pressure in January - New York, NY
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
New York, NY

Average wind speed in January - New York, NY
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in January
New York, NY

Average humidity in January - New York, NY
  • Average humidity in January: 74%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

Average rainfall in January
New York, NY

Average rainfall in January - New York, NY
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in January
New York, NY

Average rainfall days in January - New York, NY
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in January
New York, NY

Average snowfall in January - New York, NY
  • Average snowfall in January: 1.57"

The month with the highest snowfall is March (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
New York, NY

Average snowfall days in January - New York, NY
  • Average snowfall days in January: 5.8 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
New York, NY

Average sea temperature in January - New York, NY
  • Average sea temperature in January: 41.7°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in January /
Average sunshine in January
New York, NY

Average daylight in January / Average sunshine in January - New York, NY
  • 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
New York, NY

Average sunshine days in January - New York, NY
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in January
New York, NY

Average UV index in January - New York, NY
  • 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
New York, NY

Average cloud cover in January - New York, NY
  • Average cloud cover in January: 43

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in January
New York, NY

Average visibility in January - New York, NY
  • 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).

New York, New York, USA

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