Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Syosset's January weather, with an average high temperature of 37.4°F (3°C) and an average low temperature of 28.8°F (-1.8°C), tends to be the coldest of the year.Humidity
In Syosset, New York, the average relative humidity in January is 72%.Rainfall
In January, in Syosset, the rain falls for 5.4 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Syosset. In Syosset, in January, snow falls for 4.4 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, in Syosset, there are 14.8 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 38min.On the first day of January in Syosset, New York, sunrise is at 7:18 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:09 pm EST.
Sunshine
In Syosset, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. 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
What month is the coldest in Syosset?
How cold is it in Syosset in January?
What is the average humidity in January in Syosset?
How much does it rain in Syosset in January?
How much does it snow in Syosset in January?
How many hours of daylight does Syosset have in January?
When are sunrise and sunset in January in Syosset?
How many hours of sunshine does Syosset have in January?
What is the month with the lowest UV index in Syosset?
What is the UV index reading in January in Syosset?
Average temperature in January
Syosset, NY
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in January: 28.8°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in January
Syosset, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Syosset, NY
- Average wind speed in January: 12.5mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in January
Syosset, NY
- Average humidity in January: 72%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in January
Syosset, NY
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in January
Syosset, NY
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in January
Syosset, NY
- Average snowfall in January: 0.35"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Syosset, NY
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Syosset, NY
- Average daylight in January: 9h and 4min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Syosset, NY
- Average sunshine days in January: 22.4 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in January
Syosset, 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
Syosset, NY
- Average cloud cover in January: 44
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 28).
Average visibility in January
Syosset, 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).
Syosset, New York, USA
Weather forecast for your location
2. Allow the app to use your location