January weather forecastPlandome, NY
January
Weather in January
January, the same as December, is a wintry winter month in Plandome, New York, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.8°F (-2.9°C).Temperature
In Plandome, January is the coldest month, with temperatures averaging a high of 36.5°F (2.5°C) and a low of 26.8°F (-2.9°C).Humidity
The average relative humidity in January is 73%.Rainfall
In Plandome, during January, the rain falls for 9.2 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Plandome, New York, there are 168.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Plandome, New York, during January, snow falls for 7.5 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 23 snowfall days, and 8.23" (209mm) of snow is accumulated.Ocean temperature
In Plandome, the average seawater temperature in January is 42.4°F (5.8°C).Note: Dipping into 42.4°F (5.8°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
In January, the average length of the day in Plandome is 9h and 38min.On the first day of January in Plandome, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in January in Plandome, New York, is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Plandome. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. On your guard! Snow's reflection 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
Plandome, NY
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Plandome, 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
Plandome, NY
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in January
Plandome, NY
- Average humidity in January: 73%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Plandome, NY
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in January
Plandome, NY
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in January
Plandome, NY
- Average snowfall in January: 1.85"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Plandome, NY
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Plandome, NY
- Average sea temperature in January: 42.4°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 (39.9°F).
Average daylight in January /
Average sunshine in January
Plandome, 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: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Plandome, NY
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Plandome, 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
Plandome, NY
- Average cloud cover in January: 43
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Plandome, 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).





