January weather forecastMontauk, NY

January
Weather in January
The weather in Montauk during January is cold and somewhat damp. Highs of 38.8°F (3.8°C) and lows averaging 31.1°F (-0.5°C) make it a chill start to the year in this New York City district. Despite the frigid conditions, precipitation is not extreme, with both rain and snowfall typical of this winter month. January is also noted for its shorter daylight duration and greater cloud coverage. As the first month, January sets the tone for Montauk's wintry conditions that extend to the following month.Temperature
January, noted for its average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 31.1°F (-0.5°C), is considered the coldest month.Humidity
In Montauk, the average relative humidity in January is 74%.Rainfall
In Montauk, during January, the rain falls for 9.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Montauk, during the entire year, the rain falls for 156.7 days and collects up to 34.45" (875mm) of precipitation.Snowfall
Months with snowfall are January through April and December. In January, in Montauk, New York, it is snowing for 5.1 days. Throughout January, 1.61" (41mm) of snow is accumulated. In Montauk, during the entire year, snow falls for 15.2 days and aggregates up to 6.14" (156mm) of snow.Ocean temperature
In Montauk, in January, the average water temperature is 41.2°F (5.1°C).Note: In 41.2°F (5.1°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).
Daylight
In January, the average length of the day is 9h and 37min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:29 pm. On the last day of January, in Montauk, New York, sunrise is at 6:59 am and sunset at 5:02 pm EST.
Sunshine
In January, the average sunshine in Montauk, New York, is 4.9h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Montauk, NY
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 31.1°F
The month with the highest average low temperature is August (70.9°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in January
Montauk, NY
- Average pressure in January: 30.02"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Montauk, NY
- Average wind speed in January: 16.7mph
The windiest month (with the highest average wind speed) is January (16.7mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).
Average humidity in January
Montauk, NY
- Average humidity in January: 74%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Montauk, NY
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Montauk, NY
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in January
Montauk, NY
- Average snowfall in January: 1.61"
The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in January
Montauk, NY
- Average snowfall days in January: 5.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Montauk, NY
- Average sea temperature in January: 41.2°F
The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in January /
Average sunshine in January
Montauk, NY
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in January
Montauk, NY
- Average sunshine days in January: 14.4 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in January
Montauk, 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 and December (UV index 2).
Average cloud cover in January
Montauk, NY
- Average cloud cover in January: 47
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Montauk, 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).





