July weather forecast
Hewlett, NY

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Weather in July

July is a moderately hot summer month in Hewlett, New York, with an average temperature ranging between min 70.9°F (21.6°C) and max 80.6°F (27°C).

Temperature

With average temperatures fluctuating between a high of 80.6°F (27°C) and a low of 70.9°F (21.6°C), July stands out as the warmest month.

Heat index

The heat index value during July is computed to be 84.2°F (29°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In Hewlett, the average relative humidity in July is 75%.

Rainfall

The months with the most rainfall are July and August, with an average 2.32" (59mm) of precipitation.

Snowfall

In Hewlett, snow does not fall in April through September.

Daylight

The average length of the day in July is 14h and 44min.
On the first day of July in Hewlett, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:10 pm EDT.

Sunshine

July has the most sunshine of the year, 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. 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.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Hewlett?

Hewlett's warmest weather arrives in July, when temperatures average a high of 80.6°F (27°C) and a low of 70.9°F (21.6°C).

What is the temperature in July in Hewlett?

The average high-temperature, in July, in Hewlett, is 80.6°F (27°C), while the average low-temperature is 70.9°F (21.6°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in July in Hewlett?

The average relative humidity in July is 75%.

What is the wettest month?

The wettest months are July and August, with an average 2.32" (59mm) of rainfall.

How much does it rain in July?

In Hewlett, during July, the rain falls for 15.1 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

April through September are months without snowfall.

How many hours of daylight does Hewlett have in July?

In July, the average day length is 14h and 44min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:27 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:10 pm EDT.

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Hewlett, the average sunshine duration in July is 10.8h.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July?

In Hewlett, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Hewlett, NY

Average temperature in July - Hewlett, 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
Hewlett, NY

Average pressure in July - Hewlett, 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
Hewlett, NY

Average wind speed in July - Hewlett, 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
Hewlett, NY

Average humidity in July - Hewlett, 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
Hewlett, NY

Average rainfall in July - Hewlett, 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
Hewlett, NY

Average rainfall days in July - Hewlett, 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
Hewlett, NY

Average snowfall in July - Hewlett, 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
Hewlett, NY

Average snowfall days in July - Hewlett, 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
Hewlett, NY

Average daylight in July / Average sunshine in July - Hewlett, NY
  • Average daylight in July: 14h 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 July: 10h and 5min

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
Hewlett, NY

Average sunshine days in July - Hewlett, 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
Hewlett, NY

Average UV index in July - Hewlett, 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
Hewlett, NY

Average cloud cover in July - Hewlett, 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
Hewlett, NY

Average visibility in July - Hewlett, 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).

Hewlett, New York, USA

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