July weather forecast
East Islip, NY

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Weather in July

July is a moderately hot summer month in East Islip, New York, with an average temperature ranging between max 79°F (26.1°C) and min 71.8°F (22.1°C).

Temperature

East Islip notes the warmest temperatures in July, with a high average of 79°F (26.1°C) and a low of 71.8°F (22.1°C).

Humidity

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

Rainfall

The month with the most rainfall in East Islip, New York, is July, when the rain falls for 17.9 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In July, the average length of the day in East Islip is 14h and 45min.
On the first day of the month, sunrise is at 5:25 am and sunset at 8:27 pm. On the last day of July, in East Islip, sunrise is at 5:49 am and sunset at 8:09 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in East Islip. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the hottest time of year in East Islip?

During the warmest month in East Islip, July, temperatures average a high of 79°F (26.1°C) and a low of 71.8°F (22.1°C).

What is the temperature in July in East Islip?

In July, in East Islip, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 71.8°F (22.1°C).

What is the average humidity in July in East Islip?

The average relative humidity in July in East Islip, New York, is 75%.

What is the rainiest month in East Islip?

The month with the most rainfall is July, when the rain falls for 17.9 days and typically aggregates up to 3.86" (98mm) of precipitation.

How many days does it rain in July in East Islip?

In July, in East Islip, New York, the rain falls for 17.9 days. Throughout July, 3.86" (98mm) of precipitation is accumulated.

When it does not snow in East Islip?

In East Islip, New York, snow does not fall in April through September.

What is the average length of the day in July in East Islip?

The average day length in July in East Islip is 14h and 45min.

When is the sunrise / sunset in July in East Islip?

In July, on the first day of the month, sunrise is at 5:25 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:09 pm EDT.

What month has the most sunshine in East Islip?

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

How long on average sun shines in July in East Islip?

In East Islip, New York, the average sunshine duration in July is 10.8h.

What are the months with the highest UV index in East Islip?

The months with the highest UV index in East Islip, New York, are June through August, with an average maximum UV index of 6.

How high is the UV index in July in East Islip?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
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
East Islip, NY

Average temperature in July - East Islip, NY
  • Average high temperature in July: 79°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in July: 71.8°F

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in July
East Islip, NY

Average pressure in July - East Islip, NY
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
East Islip, NY

Average wind speed in July - East Islip, NY
  • Average wind speed in July: 8.6mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

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Average humidity in July
East Islip, NY

Average humidity in July - East Islip, NY
  • Average humidity in July: 75%

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in July
East Islip, NY

Average rainfall in July - East Islip, NY
  • Average rainfall in July: 3.86"

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in July
East Islip, NY

Average rainfall days in July - East Islip, NY
  • Average rainfall days in July: 17.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in July
East Islip, NY

Average snowfall in July - East Islip, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in July
East Islip, NY

Average snowfall days in July - East Islip, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
East Islip, NY

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

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).

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Average sunshine days in July
East Islip, NY

Average sunshine days in July - East Islip, NY
  • Average sunshine days in July: 11.2 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in July
East Islip, NY

Average UV index in July - East Islip, 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 and December (UV index 2).

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Average cloud cover in July
East Islip, NY

Average cloud cover in July - East Islip, NY
  • Average cloud cover in July: 28

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in July
East Islip, NY

Average visibility in July - East Islip, 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).

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East Islip, New York, USA

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