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
With its high average temperature of 36.9°F (2.7°C) and a low of 27.7°F (-2.4°C), January is regarded as the coldest month.Humidity
The average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 2.05" (52mm) of precipitation.Snowfall
Months with snowfall in Lake Success are January through April, November and December. In Lake Success, in January, snow falls for 4.5 days, with typically accumulated 1.1" (28mm) of snow. Throughout the year, in Lake Success, New York, there are 15 snowfall days, and 5.39" (137mm) of snow is accumulated.Daylight
In January, the average length of the day in Lake Success is 9h and 39min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in January in Lake Success is 5.2h.UV index
The months with the lowest UV index in Lake Success are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Lake Success?
How cold is January in Lake Success?
What is the average humidity in January in Lake Success?
What is the driest month in Lake Success?
How much does it rain in Lake Success in January?
How many days does it snow in January in Lake Success?
What is the average length of the day in January in Lake Success?
What time are sunrise and sunset in January in Lake Success?
How many hours of sunshine does Lake Success have in January?
What is the month with the lowest UV index in Lake Success?
How high is the UV index in January in Lake Success?
Average temperature in January
Lake Success, NY
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 27.7°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in January
Lake Success, 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
Lake Success, NY
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in January
Lake Success, NY
- Average humidity in January: 73%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in January
Lake Success, NY
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in January
Lake Success, NY
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Lake Success, NY
- Average snowfall in January: 1.1"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Lake Success, NY
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Lake Success, 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 48min).
Average sunshine days in January
Lake Success, NY
- Average sunshine days in January: 19.7 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in January
Lake Success, 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
Lake Success, NY
- Average cloud cover in January: 43
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Lake Success, 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).
Lake Success, New York, USA
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