January weather forecast
Valley Stream, NY

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Weather in January

Valley Stream enters the year with a chill that is typical of January, showing its true winter demeanor. The area grapples with the lowest daylight hours at 9.7h and packed with the harshest snowfall conditions, experiencing 0.67" (17mm) of snowfall on average. This makes it a great time for snow lovers to enjoy the frosted scenery. The weather transitions subtly from this month to February, marked by gentle shifts in temperature, humidity, and other climatological factors. Dress warmly as January exhibits the icy landscape and harsh weather New York is known for.

Temperature

Valley Stream witnesses the coldest weather in January, with temperatures averaging a high of 37°F (2.8°C) and a low of 28.2°F (-2.1°C).

Humidity

In January, the average relative humidity is 73%.

Rainfall

January is the month with the least rainfall in Valley Stream, New York. Rain falls for 7.3 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Valley Stream, in January, during 4.6 snowfall days, 0.67" (17mm) of snow is typically accumulated. Throughout the year, there are 15.8 snowfall days, and 2.95" (75mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 40min.
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

In Valley Stream, the average sunshine in January is 5.1h.

UV index

The months with the lowest UV index 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during January translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest time of year in Valley Stream?

January is the month when Valley Stream sees the average lowest temperatures, with a high of 37°F (2.8°C) and a low of 28.2°F (-2.1°C).

How cold is it in Valley Stream in January?

January temperatures in Valley Stream vary between a high-temperature of 37°F (2.8°C) and a low-temperature of 28.2°F (-2.1°C).

What is the average humidity in January in Valley Stream?

In Valley Stream, New York, the average relative humidity in January is 73%.

What is the driest month in Valley Stream?

The month with the least rainfall in Valley Stream is January, when the rain falls for 7.3 days and typically collects 0.91" (23mm) of precipitation.

How many days does it rain in January in Valley Stream?

In Valley Stream, in January, during 7.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How much does it snow in Valley Stream in January?

In Valley Stream, during January, snow falls for 4.6 days and regularly aggregates up to 0.67" (17mm) of snow.

How many hours of daylight does Valley Stream have in January?

The average day length in January is 9h and 40min.

When are sunrise and sunset in January in Valley Stream?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:37 pm. On the last day of the month, in Valley Stream, sunrise is at 7:05 am and sunset at 5:10 pm EST.

How many hours of sunshine does Valley Stream have in January?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index in Valley Stream?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Valley Stream?

In January, the average daily maximum UV index in Valley Stream, New York, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Valley Stream, NY

Average temperature in January - Valley Stream, NY
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in January: 28.2°F

The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in January
Valley Stream, NY

Average pressure in January - Valley Stream, 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).

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Average wind speed in January
Valley Stream, NY

Average wind speed in January - Valley Stream, NY
  • Average wind speed in January: 12.4mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in January
Valley Stream, NY

Average humidity in January - Valley Stream, NY
  • Average humidity in January: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in January
Valley Stream, NY

Average rainfall in January - Valley Stream, NY
  • Average rainfall in January: 0.91"

The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in January
Valley Stream, NY

Average rainfall days in January - Valley Stream, NY
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in January
Valley Stream, NY

Average snowfall in January - Valley Stream, NY
  • Average snowfall in January: 0.67"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in January
Valley Stream, NY

Average snowfall days in January - Valley Stream, NY
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Valley Stream, NY

Average daylight in January / Average sunshine in January - Valley Stream, NY
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
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).

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Average sunshine days in January
Valley Stream, NY

Average sunshine days in January - Valley Stream, NY
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).

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Average UV index in January
Valley Stream, NY

Average UV index in January - Valley Stream, 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).

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Average cloud cover in January
Valley Stream, NY

Average cloud cover in January - Valley Stream, NY
  • Average cloud cover in January: 43

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Valley Stream, NY

Average visibility in January - Valley Stream, 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).

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Valley Stream, New York, USA

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