July weather forecast
Oyster Bay, NY

Weather in July

July, like June, in Oyster Bay, New York, is another warm summer month, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 81.5°F (27.5°C).

Temperature

July is the warmest month, with an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 70.3°F (21.3°C).

Heat index

The average heat index in July is estimated at a tropical 86.2°F (30.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, pregnancy, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in July is 73%.

Rainfall

In Oyster Bay, during July, the rain falls for 17.9 days and regularly aggregates up to 4.02" (102mm) of precipitation. Throughout the year, in Oyster Bay, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

In Oyster Bay, snow does not fall in May through October.

Daylight

In July, the average length of the day in Oyster Bay, New York, is 14h and 46min.
On the first day of July, sunrise is at 5:26 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:11 pm EDT.

Sunshine

With an average of 10.7h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Oyster Bay?

With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 70.3°F (21.3°C), July is the warmest month in Oyster Bay, New York.

What is the temperature in July in Oyster Bay?

The average high-temperature, in July, in Oyster Bay, New York, is 81.5°F (27.5°C), while the average low-temperature is 70.3°F (21.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 86.2°F (30.1°C).

What is the average humidity in July in Oyster Bay?

In Oyster Bay, New York, the average relative humidity in July is 73%.

How many days does it rain in July in Oyster Bay?

In Oyster Bay, in July, during 17.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

When it does not snow in Oyster Bay?

In Oyster Bay, New York, snow does not fall in May through October.

How many hours of daylight does Oyster Bay have in July?

The average day length in July is 14h and 46min.

When is the sunrise / sunset in July in Oyster Bay?

In July, on the first day of the month, sunrise is at 5:26 am and sunset at 8:29 pm. On the last day of the month, in Oyster Bay, New York, sunrise is at 5:49 am and sunset at 8:11 pm EDT.

What month has the most sunshine in Oyster Bay?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Oyster Bay.

How long on average sun shines in July in Oyster Bay?

In July, the average sunshine duration in Oyster Bay, New York, is 10.7h.

What are the months with the highest UV index in Oyster Bay?

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

How high is the UV index in July in Oyster Bay?

In July, the average daily maximum UV index in Oyster Bay is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Oyster Bay, NY

Average temperature in July - Oyster Bay, NY
  • Average high temperature in July: 81.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in July: 70.3°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in July
Oyster Bay, NY

Average pressure in July - Oyster Bay, 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).

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Average wind speed in July
Oyster Bay, NY

Average wind speed in July - Oyster Bay, NY
  • Average wind speed in July: 7.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in July
Oyster Bay, NY

Average humidity in July - Oyster Bay, NY
  • Average humidity in July: 73%

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

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Average rainfall in July
Oyster Bay, NY

Average rainfall in July - Oyster Bay, NY
  • Average rainfall in July: 4.02"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

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Average rainfall days in July
Oyster Bay, NY

Average rainfall days in July - Oyster Bay, 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 (9.3 days).

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Average snowfall in July
Oyster Bay, NY

Average snowfall in July - Oyster Bay, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Oyster Bay, NY

Average snowfall days in July - Oyster Bay, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Oyster Bay, NY

Average daylight in July / Average sunshine in July - Oyster Bay, NY
  • Average daylight in July: 14h and 46min

The month with the longest days is June (Average daylight: 15h and 4min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Oyster Bay, NY

Average sunshine days in July - Oyster Bay, NY
  • Average sunshine days in July: 10.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in July
Oyster Bay, NY

Average UV index in July - Oyster Bay, 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).

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Average cloud cover in July
Oyster Bay, NY

Average cloud cover in July - Oyster Bay, NY
  • Average cloud cover in July: 29

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in July
Oyster Bay, NY

Average visibility in July - Oyster Bay, 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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