July weather forecast and climate
Hewlett, NY

July is a warm summer month in Hewlett, New York, with average temperature varying between 80.6°F (27°C) and 70.9°F (21.6°C).

Temperature

July is the warmest month, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 70.9°F (21.6°C).

Heat index

The average heat index is evaluated at 84.7°F (29.3°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like pregnancy, clothing, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Hewlett, New York, the average relative humidity is 75%.

Rainfall

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

Snowfall

In Hewlett snow does not fall in April through September.

Daylight

In Hewlett, the average length of the day is 14.7h.

Sunshine

The month with the most sunshine in Hewlett is July, with an average of 10.8h of sunshine.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Hewlett?

The warmest month in Hewlett, New York, is July, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 70.9°F (21.6°C).

What is the temperature in July in Hewlett?

In Hewlett, in July, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 70.9°F (21.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines both air temperature and relative humidity, is evaluated at 84.7°F (29.3°C).

What is the average humidity in July in Hewlett?

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

How much does it rain in Hewlett in July?

In July, in Hewlett, New York, the rain falls for 15.1 days. Throughout July, 2.32" (59mm) of precipitation is accumulated.

What is the wettest month in Hewlett?

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

When it does not snow in Hewlett?

April through September are months without snowfall in Hewlett, New York.

What is the average length of the day in July in Hewlett?

In Hewlett, New York, the average length of the day in July is 14.7h.

What month has the most sunshine in Hewlett?

July has the most sunshine of the year in Hewlett, with an average of 10.8h of sunshine.

How long on average sun shines in July in Hewlett?

In July, the average sunshine is 10.8h.

What are the months with the highest UV index in Hewlett?

Months with the highest UV index in Hewlett, New York, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Hewlett?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in July - Hewlett, NY
  • Average high temperature in July: 27°C

The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in July: 21.6°C

The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).

Average pressure in July - Hewlett, NY
  • Average pressure in July: 1014.4mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in July - Hewlett, NY
  • Average wind speed in July: 12.9km/h

The windiest month (with the highest average wind speed) is January (19.9km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

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: 59mm

The wettest months (with the highest rainfall) are July and August (59mm).
The driest month (with the least rainfall) is January (23mm).

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: 0mm

The month with the highest snowfall is March (26mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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).
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: 14.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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: 6

Months with the highest UV index are June, July and August (UV index 6).
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: 28

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: 10km

Months with the highest visibility are April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, May and December (9km).