January weather - Winter 2025

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average sea temperature in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

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

January is the coldest month, with an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 26.1°F (-3.3°C).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through April, November and December. In January, it is snowing for 5.8 days. Throughout January, 1.57" (40mm) of snow is accumulated. In New York, during the entire year, snow falls for 19.2 days and aggregates up to 7.8" (198mm) of snow.

Ocean temperature

In January, the average ocean temperature is 41.7°F (5.4°C).
Note: You can swim in 41.7°F (5.4°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.

Daylight

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

Sunshine

In January, the average sunshine is 5.2h.

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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Updated: Jul 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

During the coldest month in New York, January, temperatures average a high of 36.5°F (2.5°C) and a low of 26.1°F (-3.3°C).

How cold is January?

An average high-temperature, in January, in New York, 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 is 74%.

What is the driest month?

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

How much does it rain in January?

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

How much does it snow in January?

In New York, New York, during January, snow falls for 5.8 days and regularly aggregates up to 1.57" (40mm) of snow.

What is the ocean temperature in January?

In New York, the average seawater temperature in January 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.

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

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

When is the sunrise / sunset in January?

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

How long on average sun shines in January?

The average sunshine duration in January is 5.2h.

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 January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

42.3°F 5.7°C

36.5°F 2.5°C

39.2°F 4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10mph 16.1km/h

10.6mph 17.1km/h

10.4mph 16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

5.8

5.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.7

17.9

13.7

Average UV index

Average cloud cover

Average visibility

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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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).

January weather forecast
New York, NY

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