New York
New York, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
New York, NY

The sunset view over New York city skyscrapers in New York, with the dramatic night sky
The sunset view over New York city skyscrapers in New York, with the dramatic night sky
January, like December, in New York, New York, is another cold winter month, with average temperature fluctuating between 36.5°F (2.5°C) and 26.1°F (-3.3°C).

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

Rainfall

January is the month with the least rainfall. 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 January, in New York, it is snowing for 5.8 days. Throughout January, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 19.2 snowfall days, and 7.8" (198mm) of snow is accumulated.

Ocean temperature

In New York, the average water temperature is 41.7°F (5.4°C).
Note: Swimming in 41.7°F (5.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In January, the average length of the day in New York is 9.7h.

Sunshine

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

UV index

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 low health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in New York?

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

What is the temperature in January in New York?

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

What is the average humidity in January in New York?

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

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

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

What is the driest month in New York?

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

How much does it snow in New York 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.

How cold is the water in January in New York?

In New York, 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.

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

The average length of the day in January in New York, New York, is 9.7h.

How long on average sun shines in January in New York?

The average sunshine in January is 5.2h.

What is the month with the lowest UV index in New York?

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 New York?

In New York, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
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 humidity in January - New York, NY
  • Average humidity in January: 74%

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 lowest 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 lowest number of 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").
Months with the lowest 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).
Months with the lowest number of 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: 9.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 5.2h

The month with most sunshine is July (Average sunshine: 10.5h).
The month with least sunshine is February (Average sunshine: 4.7h).

Average UV index in January - New York, NY
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).