July weather forecastNorth Valley Stream, NY
July
Weather in July
July is a moderately hot summer month in North Valley Stream, New York, with an average temperature fluctuating between 80.6°F (27°C) and 70.9°F (21.6°C).Temperature
The warmest period is July, when temperatures fluctuate between an average high of 80.6°F (27°C) and a low of 70.9°F (21.6°C).Heat index
July's heat index is computed to be 84.2°F (29°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In North Valley Stream, the average relative humidity in July is 75%.Rainfall
The wettest months in North Valley Stream are July and August, with an average 2.32" (59mm) of rainfall.Snowfall
In North Valley Stream, snow does not fall in April through September.Daylight
In North Valley Stream, the average length of the day in July is 14h and 45min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:51 am and sunset at 8:11 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.8h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In July, the UV index of 6 transforms into the following advice:
Deflect overexposure. Sun protection is a necessity. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
North Valley Stream, NY
- Average high temperature in July: 80.6°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 July: 70.9°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 in July
North Valley Stream, NY
- Average pressure in July: 29.96"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 July
North Valley Stream, NY
- Average wind speed in July: 8mph
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 in July
North Valley Stream, NY
- Average humidity in July: 75%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in July
North Valley Stream, NY
- Average rainfall in July: 2.32"
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 in July
North Valley Stream, NY
- Average rainfall days in July: 15.1 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 in July
North Valley Stream, NY
- Average snowfall in July: 0"
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 in July
North Valley Stream, NY
- Average snowfall days in July: 0 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 in July /
Average sunshine in July
North Valley Stream, NY
- Average daylight in July: 14h and 42min
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 July: 10h and 48min
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 July
North Valley Stream, NY
- Average sunshine days in July: 13.6 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 in July
North Valley Stream, NY
- Average UV index in July: 6
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 July
North Valley Stream, NY
- Average cloud cover in July: 28
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 in July
North Valley Stream, NY
- Average visibility in July: 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).
