July weather forecast
Shelter Island Heights, NY

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Weather in July

July is a warm summer month in Shelter Island Heights, New York, with an average temperature fluctuating between 70.3°F (21.3°C) and 75.7°F (24.3°C).

Temperature

The shift into July is marked by a modest rise in the average high-temperature, moving from June's refreshing 67.6°F (19.8°C) to a moderately hot 75.7°F (24.3°C). Shelter Island Heights's nocturnal average in July closely mirrors its daytime temperatures, settling at an agreeable 70.3°F (21.3°C).

Humidity

The average relative humidity in July in Shelter Island Heights is 80%.

Rainfall

In Shelter Island Heights, during July, the rain falls for 14.8 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Shelter Island Heights, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

In Shelter Island Heights, snow does not fall in April through October.

Ocean temperature

In July, the average ocean temperature in Shelter Island Heights, New York, is 69.4°F (20.8°C).
Note: Swimming in 69.4°F (20.8°C) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in July is 14h and 47min.
On the first day of July in Shelter Island Heights, sunrise is at 5:21 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:06 pm EDT.

Sunshine

The months with the most sunshine in Shelter Island Heights are July and August, with an average of 10.6h 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 6 in July transforms into this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Shelter Island Heights in July?

In July, the average high-temperature and low-temperature in Shelter Island Heights are 75.7°F (24.3°C) and 70.3°F (21.3°C) respectively.

What is the average humidity in July in Shelter Island Heights?

In Shelter Island Heights, the average relative humidity in July is 80%.

How much does it rain in Shelter Island Heights in July?

In Shelter Island Heights, during July, the rain falls for 14.8 days and regularly aggregates up to 2.99" (76mm) of precipitation.

When it does not snow in Shelter Island Heights?

April through October are months without snowfall in Shelter Island Heights, New York.

How cold is the water in July in Shelter Island Heights?

In Shelter Island Heights, in July, the average water temperature is 69.4°F (20.8°C). For swimming, a surface water temperature of 69.4°F (20.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in July in Shelter Island Heights?

In Shelter Island Heights, the average day length in July is 14h and 47min.

When is the sunrise / sunset in July in Shelter Island Heights?

In July, on the first day of the month, sunrise is at 5:21 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:06 pm EDT.

What is the month with the most sunshine in Shelter Island Heights?

July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Shelter Island Heights.

How long on average sun shines in July in Shelter Island Heights?

In Shelter Island Heights, New York, the average sunshine duration in July is 10.6h.

When is the highest UV index in Shelter Island Heights?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Shelter Island Heights.

How high is the UV index in July in Shelter Island Heights?

In Shelter Island Heights, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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
Shelter Island Heights, NY

Average temperature in July - Shelter Island Heights, NY
  • Average high temperature in July: 75.7°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in July: 70.3°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in July
Shelter Island Heights, NY

Average pressure in July - Shelter Island Heights, NY
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Shelter Island Heights, NY

Average wind speed in July - Shelter Island Heights, NY
  • Average wind speed in July: 10.4mph

The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).

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Average humidity in July
Shelter Island Heights, NY

Average humidity in July - Shelter Island Heights, NY
  • Average humidity in July: 80%

The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in July
Shelter Island Heights, NY

Average rainfall in July - Shelter Island Heights, NY
  • Average rainfall in July: 2.99"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in July
Shelter Island Heights, NY

Average rainfall days in July - Shelter Island Heights, NY
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in July
Shelter Island Heights, NY

Average snowfall in July - Shelter Island Heights, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Shelter Island Heights, NY

Average snowfall days in July - Shelter Island Heights, NY
  • Average snowfall days in July: 0 days

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

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Average sea temperature in July
Shelter Island Heights, NY

Average sea temperature in July - Shelter Island Heights, NY
  • Average sea temperature in July: 69.5°F

The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).

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Average daylight in July /
Average sunshine in July
Shelter Island Heights, NY

Average daylight in July / Average sunshine in July - Shelter Island Heights, NY
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in July
Shelter Island Heights, NY

Average sunshine days in July - Shelter Island Heights, NY
  • Average sunshine days in July: 14.4 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index in July
Shelter Island Heights, NY

Average UV index in July - Shelter Island Heights, 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
Shelter Island Heights, NY

Average cloud cover in July - Shelter Island Heights, NY
  • Average cloud cover in July: 29

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in July
Shelter Island Heights, NY

Average visibility in July - Shelter Island Heights, 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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Shelter Island Heights, New York, USA

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