January weather forecastNew York, NY
January
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, with its high-temperature average of 36.5°F (2.5°C) and a low-temperature average of 26.1°F (-3.3°C), is the coldest month.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
January through April, November and December are months with snowfall. In New York, in January, snow falls for 5.8 days, with typically accumulated 1.57" (40mm) of snow. 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 New York, in January, the average water temperature is 41.7°F (5.4°C).Note: One needs to be cautious in 41.7°F (5.4°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
In January, the average length of the day 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
The average sunshine in January 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, a regular UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 42min
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 12min
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).
