January weather forecastEast Nassau, NY
January
Weather in January
January, like December, is a freezing cold winter month in East Nassau, New York, with temperature in the range of an average low of 16.5°F (-8.6°C) and an average high of 28.6°F (-1.9°C).Temperature
January, having an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 16.5°F (-8.6°C), is the coldest month.Humidity
In January, the average relative humidity is 82%.Rainfall
January is the month with the least rainfall. Rain falls for 6.3 days and accumulates 1.5" (38mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In East Nassau, in January, snow falls for 10.6 days, with typically accumulated 4.8" (122mm) of snow. In East Nassau, during the entire year, snow falls for 44.8 days and aggregates up to 23.27" (591mm) of snow.Daylight
The average length of the day in January in East Nassau is 9h and 29min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:05 pm EST.
Sunshine
In January, the average sunshine is 4.2h.UV index
January through March, October through 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 average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. 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. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
East Nassau, NY
- Average high temperature in January: 28.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
East Nassau, NY
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
East Nassau, NY
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
East Nassau, NY
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
East Nassau, NY
- Average rainfall in January: 1.5"
The wettest months (with the highest rainfall) are May and October (2.52").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in January
East Nassau, NY
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
East Nassau, NY
- Average snowfall in January: 4.8"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
East Nassau, NY
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
East Nassau, NY
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 4h 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: 3h and 48min).
Average sunshine days in January
East Nassau, NY
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in January
East Nassau, NY
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
East Nassau, NY
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in January
East Nassau, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).





