Climate and monthly weather forecastValley Stream, NY
Climate and monthly weather forecast
The climate of Valley Stream
Valley Stream is nestled within the state of New York, USA, famed for its humid subtropical climate, making it no stranger to varying weather patterns throughout the year. This unique location, as per the Köppen climate classification, is denoted as Cfa, indicating a lack of dry periods in its seasonal cycle. In Valley Stream, the most significant climatic features include its rainfall and temperature patterns, both underlining the cyclical nature of its weather dynamics.During the course of a typical year in Valley Stream, monthly average temperatures sway between a crisp 28.2°F (-2.1°C) during the coldest month and a warm 80.6°F (27°C) in the warmest month. Humidity levels gently oscillate from 72% to 77%, adding a layer of moistness to the air relatively consistently throughout the year. Today, rainfall is a notable aspect of Valley Stream's climate, it takes the center stage especially from July to August, where the intensity hits its peak with 2.32" (59mm).
Sunshine is enjoyed considerably across all months, ranging from 5 hours per day in the least sunny to 10.8 hours in the sunniest month. This complements well with the relatively steady visibility of 6 miles throughout the year. During its mildest, wind speeds drop to 8mph (12.9km/h), reaching 12.4mph (20km/h) at their hearty zenith, providing occasional gusts of fresh air, while cloud cover fluctuates mildly from 27% to 47%.
In the realm of unique climatic phenomena, Valley Stream witnesses snowfall primarily between December and March, with maximum accumulation observed in March, wherein 1.02" (26mm) accumulate on average. This emphasizes the seasonality and weather idiosyncrasies that Valley Stream typifies.
The best time to visit Valley Stream
Given that temperature and sunshine hours are often key determinants for many travelers, the most ideal time to explore Valley Stream would arguably be between June and August. During these months, the average daily high temperature reaches up to 80.6°F (27°C), coupled with a substantial amount of sunshine, averaging around 10.5 hours per day, making it ideal for outdoor activities and sightseeing. Furthermore, despite being the period with the heaviest rainfall, the showers interspersed with sunny periods provide a refreshing balance.The worst time to visit Valley Stream
For those sensitive to colder weather, the period from December to February might prove less suitable for a visit to Valley Stream. Temperatures during these months plummet to a chilling low of 28.2°F (-2.1°C) to 29.8°F (-1.2°C), significantly limiting outdoor activities. Add to this the substantially lower sunshine hours, averaging just around 5 hours per day, it makes for a generally gloomier atmosphere.Spring weather in Valley Stream
Spring in Valley Stream is demonstratively wetter than other seasons, with rainfall amounts culminating at 1.65" (42mm) in May. Despite the increased rainfall, temperatures are on the rise, varying from 37°F (2.8°C) to 64.6°F (18.1°C) from March to May. Simultaneously, daylight hours steadily increase from 12 hours to 14.5 hours, offering prolonged periods of sunlight, illuminating the blooming flora.Summer weather in Valley Stream
Summer brings the warmest temperatures, ranging from 73.2°F (22.9°C) to 80.6°F (27°C), coupled with the longest days, characterized by an average of 15 hours of daylight. Despite being the season with the highest rainfall, at 2.32" (59mm), prolonged sunny periods balance the weather out, making it the ideal time for sun-seekers. Wind speeds are also at their lowest during this season, ranging from 8mph (12.9km/h) to 8.4mph (13.5km/h), providing a tranquil ambiance for outdoor pursuits.Autumn weather in Valley Stream
Autumn in Valley Stream signals the gradual shift back to cooler temperatures, descending from 73.2°F (22.9°C) in September to 51.6°F (10.9°C) in November. Rainfall averages around 1.47" (37mm) across these months, while the daylight hours shorten to 11.1 hours by the end of the season. Despite these declining parameters, favorable sunshine hours of around 6.5 hours in November contribute to pleasant weather conditions.Winter weather in Valley Stream
Anchoring the year at Valley Stream, winter manifests its presence through both a drop in temperatures and an increased frequency of snowfall days. December ushers in colder conditions, with temperatures dropping to as low as 36°F (2.2°C), while snowfall days increase to 2.8 in the same month. Despite these harsher conditions, Christmas lovers will cherish the festive ambiance brought about by the sporadic snowfall and the comfortable daylight hours of around 9.3 in December.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. Weather in January »Weather in February
As New Yorkers continue to trudge through winter, Valley Stream experiences a slow increase in temperatures and daylight hours. Receiving 0.98" (25mm) of rainfall on average, the face of the town leans predominantly wet compared to the snowy visage of January. Weather in February »Weather in March
Weather in Valley Stream, New York, gradually warms up as we transition into March. Witness the daily temperature rising up to 45.1°F (7.3°C) on average compared with the cooler February. Snowy days are left behind, and dominated instead by an increase in rainy days. Weather in March »Weather in April
April is known for its unpredictable weather, and Valley Stream is no exception. The shift from the crisp winter air to warmer temperatures is more prominent in April with an average high temperature rising up to 54.7°F (12.6°C). Weather in April »Weather in May
May brings brighter days to the residents of Valley Stream, allowing them to bask under an estimated 14.5h of daylight. It also records the highest relative humidity at 77%, showcasing the dewy nature of this spring month. The city embraces the launch of consistent warm weather, evident by increasing outdoor activities. Weather in May »Weather in June
June is when summer officially begins, inviting longer daylight hours and warmer temperatures in Valley Stream. UV index peaks at 6, implying extended intensities of sunlight and stimulating an array of vibrant summer hues. Residents can find refuge in the shade of thriving trees to beat the heat while enjoying the vibrant outdoor ambiance. Weather in June »Weather in July
The heart of summer arrives in Valley Stream in July. The town gets the highest average high temperatures of the year, soaring up to 80.6°F (27°C), and observes peak daylight hours. Sunbathers revel in the outdoors, enjoying the season's finest weather. Weather in July »Weather in August
August in Valley Stream sustains the warmth of July, making it an extended period of sunny days and starlit nights. Though temperatures remain high, they do not surpass the July peak. Locals grasp any opportunity to engage in aquatic activities to beat the consistent warmth. Weather in August »Weather in September
The transition from summer to autumn is perceived in September in Valley Stream. Average high temperature decreases to 73.2°F (22.9°C), indicating the onset of cooler days. Despite the drop in temperatures, the extended daylight hours persist, making it a favorable month for outdoor activities. Weather in September »Weather in October
October ushers in a distinct autumnal atmosphere in Valley Stream. The cityscape transforms into a mesmerizing palette of fall colors, making it a picturesque time to explore the outdoors. Residents enjoy this cooler yet comfortable weather, engaging in an array of fall festivities. Weather in October »Weather in November
November presents noticeable changes in weather as Valley Stream prepares for the descent into winter. With an average of 7.4 rainfall days, this month stands as the driest in comparison to the rest of the year. Despite this, the weather remains cool and comfortable, encouraging residents to bask in the dwindling autumn days. Weather in November »Weather in December
In December, Valley Stream rounds out the year and re-enters winter properly. Low temperatures averaging at 36°F (2.2°C) and frequent snowfall become a distinctive feature of this month. The city turns into a winter wonderland as the first flurries drop, mirroring the holiday season's spiritedly festive mood. Weather in December »Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Valley Stream's January weather reaches an average high of 37°F (2.8°C) and an average low of 28.2°F (-2.1°C), making it the coldest month.
The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 0.91" (23mm) of precipitation.
Throughout the year, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.
Months with snowfall are January through March, October through December.
Throughout the year, there are 15.8 snowfall days, and 2.95" (75mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average of 4.8h of sunshine, February has the least sunshine of the year.
The month with the most snowfall in Valley Stream is March, when snow falls for 3.3 days and typically aggregates up to 1.02" (26mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through September are months without snowfall.
The most humid month is May, with an average relative humidity of 77%.
With an average of 15h and 0min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Valley Stream's temperature records reveal July as the warmest month, marked by average highs of 80.6°F (27°C) and lows of 70.9°F (21.6°C).
The months with the most rainfall are July and August, with an average 2.32" (59mm) of precipitation.
The month with the most sunshine is July, with an average of 10.8h of sunshine.
November is the least humid month, with an average relative humidity of 72%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Valley Stream, NY
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).
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).
Average pressure
Valley Stream, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"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
Valley Stream, NY
- Average wind speed in January:
12.4mph - Average wind speed in February:
12mph - Average wind speed in March:
11.7mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
8mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.1mph - Average wind speed in October:
11.1mph - Average wind speed in November:
11.6mph - Average wind speed in December:
11.9mph
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).
Average humidity
Valley Stream, NY
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall
Valley Stream, NY
- Average rainfall in January:
0.91" - Average rainfall in February:
0.98" - Average rainfall in March:
1.3" - Average rainfall in April:
1.46" - Average rainfall in May:
1.65" - Average rainfall in June:
1.61"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.32" - Average rainfall in September:
1.38" - Average rainfall in October:
1.61" - Average rainfall in November:
1.42" - Average rainfall in December:
1.65"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days
Valley Stream, NY
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
10.7 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).
Average snowfall
Valley Stream, NY
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").
Average snowfall days
Valley Stream, NY
- Average snowfall days in January:
4.6 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.8 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).
Average daylight / Average sunshine
Valley Stream, NY
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
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
Valley Stream, NY
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.9 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).
Average UV index
Valley Stream, NY
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
Valley Stream, NY
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).
Average visibility
Valley Stream, NY
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).
