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

January weather forecast and Climate
New York, NY

January is New York's coldest month with longer days and shorter nights. The temperatures hover between 42.8°F (6°C) and lows of 26.6°F (-3°C), seldom dropping to 14°F (-10°C). Cold winds make it even chiller especially during the night and in early mornings. Snowfall in January is not rare and may be experienced for up to five days sometimes resulting in snow storms. The days are cold and snowy but remain sunny with clear skies.
Rainfall in January is experienced for an average of ten and a half days, and the rain gauge collects an average of 3.3" (83.8mm). The rain may be accompanied by light winds and light flashes of lightning. Dressing warmly and carrying an umbrella is recommended.
The sun shines for an average of six hours per day in January, so it remains mildly warm with the air dense and humid at 61.6%.
The ocean is cold in January with an average temperature of 44.6°F (7°C). Ocean activities and generally outdoors are limited apart from snow skating and skiing.
  • The average high temperature in January: 3.5°C

The warmest month (with the highest average high temperature) is July (28.9°C).
The month with the lowest average high temperature is January (3.5°C).

  • The average low temperature in January: -2.8°C

The month with the highest average low temperature is July (20.4°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

  • The average humidity in January: 61.5%

The month with the highest relative humidity is September (67.8%).
The month with the lowest relative humidity is April (55.3%).

  • The average rainfall in January: 92.7mm

The wettest month (with the highest rainfall) is July (116.8mm).
The driest month (with the lowest rainfall) is February (78.5mm).

  • The average rainfall days in January: 10.4 days

The month with the highest number of rainy days is April (11.5 days).
The month with the lowest number of rainy days is September (8.7 days).

  • The average snowfall in January: 177.8mm

The month with the highest snowfall is February (233.7mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

  • The average snowfall days in January: 4 days

The month with the highest number of snowfall days is January (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

  • The average sea temperature in January: 7°C

The best month for swimming (with the highest average sea temperature) is August (23°C).
Coldest months (with the lowest average sea temperature) are February and March (5°C).

  • The average daylight in January: 10h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in January: 5.2h

Months with most sunshine are July and August (Average sunshine: 8.7h).
The month with least sunshine is December (Average sunshine: 4.5h).

  • The average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).