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
January is the coldest month of the year, registering average temperatures as high as 36.5°F (2.5°C) and as low as 27.3°F (-2.6°C).Humidity
The average relative humidity in January is 73%.Rainfall
In Greenvale, during January, the rain falls for 9.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Greenvale, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Greenvale, New York. In Greenvale, during January, snow falls for 6.8 days and regularly aggregates up to 1.77" (45mm) of snow. In Greenvale, during the entire year, snow falls for 22.2 days and aggregates up to 7.24" (184mm) of snow.Daylight
The average length of the day in January is 9h and 38min.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, in Greenvale, sunrise is at 7:05 am and sunset at 5:10 pm EST.
Sunshine
In Greenvale, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Greenvale are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Greenvale?
How cold is January in Greenvale?
What is the average humidity in January in Greenvale?
How many days does it rain in January in Greenvale?
How much does it snow in Greenvale in January?
How many hours of daylight does Greenvale have in January?
What time are sunrise and sunset in January in Greenvale?
How many hours of sunshine does Greenvale have in January?
When is the lowest UV index in Greenvale?
What is the UV index reading in January in Greenvale?
Average temperature in January
Greenvale, NY
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 27.3°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Greenvale, NY
- Average pressure in January: 30.05"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
Greenvale, 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
Greenvale, 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
Greenvale, NY
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in January
Greenvale, NY
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Greenvale, NY
- Average snowfall in January: 1.77"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Greenvale, NY
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Greenvale, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Greenvale, NY
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in January
Greenvale, 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
Greenvale, NY
- Average cloud cover in January: 44
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Greenvale, 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).
Greenvale, New York, USA
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