July weather forecast
Mamaroneck, NY

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Weather in July

July, like June, in Mamaroneck, New York, is another warm summer month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 82.9°F (28.3°C).

Temperature

July, noted for its average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 69.4°F (20.8°C), is considered the warmest month.

Heat index

Throughout July, the heat index is appraised at a tropical 87.8°F (31°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In July, the average relative humidity is 71%.

Rainfall

July is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

In Mamaroneck, snow does not fall in May through October.

Ocean temperature

In Mamaroneck, New York, in July, the average water temperature is 72.1°F (22.3°C).
Note: If someone is sensitive to cold, the enjoyment of swimming in 72.1°F (22.3°C) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in July is 14h and 46min.
On the first day of July, sunrise is at 5:27 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:50 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 in Mamaroneck.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Mamaroneck. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
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Frequently asked questions

What time of the year is the hottest in Mamaroneck?

With average temperatures fluctuating between a high of 82.9°F (28.3°C) and a low of 69.4°F (20.8°C), July stands out as the warmest month in Mamaroneck, New York.

How hot does it get in Mamaroneck in July?

July temperatures in Mamaroneck vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 69.4°F (20.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 87.8°F (31°C).

What is the average humidity in July in Mamaroneck?

The average relative humidity in July is 71%.

What is the rainiest month in Mamaroneck?

July is the month with the most rainfall in Mamaroneck. Rain falls for 17.3 days and accumulates 3.23" (82mm) of precipitation.

How much does it rain in Mamaroneck in July?

In Mamaroneck, in July, it is raining for 17.3 days, with typically 3.23" (82mm) of accumulated precipitation.

When it does not snow in Mamaroneck?

In Mamaroneck, snow does not fall in May through October.

How warm is the water in July in Mamaroneck?

In Mamaroneck, the average seawater temperature in July is 72.1°F (22.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).

How many hours of daylight does Mamaroneck have in July?

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

When is the sunrise / sunset in July in Mamaroneck?

On the first day of July in Mamaroneck, sunrise is at 5:27 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:11 pm EDT.

What month has the most sunshine in Mamaroneck?

With an average of 10.7h of sunshine, July has the most sunshine of the year in Mamaroneck, New York.

How many hours of sunshine does Mamaroneck have in July?

In Mamaroneck, the average sunshine duration in July is 10.7h.

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

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

What is the UV index intensity in July in Mamaroneck?

In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's 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
Mamaroneck, NY

Average temperature in July - Mamaroneck, NY
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in July: 69.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

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Average pressure in July
Mamaroneck, NY

Average pressure in July - Mamaroneck, 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
Mamaroneck, NY

Average wind speed in July - Mamaroneck, NY
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in July
Mamaroneck, NY

Average humidity in July - Mamaroneck, NY
  • Average humidity in July: 71%

The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in July
Mamaroneck, NY

Average rainfall in July - Mamaroneck, NY
  • Average rainfall in July: 3.23"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").

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Average rainfall days in July
Mamaroneck, NY

Average rainfall days in July - Mamaroneck, NY
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in July
Mamaroneck, NY

Average snowfall in July - Mamaroneck, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Mamaroneck, NY

Average snowfall days in July - Mamaroneck, NY
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (5.3 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
Mamaroneck, NY

Average sea temperature in July - Mamaroneck, NY
  • Average sea temperature in July: 72.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

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Average daylight in July /
Average sunshine in July
Mamaroneck, NY

Average daylight in July / Average sunshine in July - Mamaroneck, 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 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
Mamaroneck, NY

Average sunshine days in July - Mamaroneck, NY
  • Average sunshine days in July: 12 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).

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Average UV index in July
Mamaroneck, NY

Average UV index in July - Mamaroneck, 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
Mamaroneck, NY

Average cloud cover in July - Mamaroneck, NY
  • Average cloud cover in July: 30

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Mamaroneck, NY

Average visibility in July - Mamaroneck, 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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Mamaroneck, New York, USA

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