New York
New York, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
New York, NY

The sunset view over New York city skyscrapers in New York, with the dramatic night sky
The sunset view over New York city skyscrapers in New York, with the dramatic night sky
July, like June, in New York, New York, is another warm summer month, with average temperature fluctuating between 69.4°F (20.8°C) and 82.9°F (28.3°C).

Temperature

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

Heat index

In July, the average heat index is estimated at a hot 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, wind, pregnancy, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise 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

In New York, New York, the average relative humidity is 72%.

Rainfall

The month with the most rainfall in New York is July when the rain falls for 18.5 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

In July, the average ocean temperature in New York is 72.1°F (22.3°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

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

Sunshine

With an average of 10.5h 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. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in New York?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month in New York.

What is the temperature in July in New York?

The average high-temperature, in July, in New York, is 82.9°F (28.3°C), while the average low-temperature is 69.4°F (20.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is appraised at 88.9°F (31.6°C).

What is the average humidity in July in New York?

In New York, New York, the average relative humidity in July is 72%.

How many days does it rain in July in New York?

In New York, New York, during July, the rain falls for 18.5 days and regularly aggregates up to 4.02" (102mm) of precipitation.

What is the rainiest month in New York?

July is the month with the most rainfall. Rain falls for 18.5 days and accumulates 4.02" (102mm) of precipitation.

When it does not snow in New York?

May through October are months without snowfall in New York, New York.

What is the ocean temperature in July in New York?

In New York, New York, the average seawater temperature in July is 72.1°F (22.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 72.1°F (22.3°C) water may be enjoyable.

What is the average length of the day in July in New York?

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

What month has the most sunshine in New York?

With an average of 10.5h of sunshine, July has the most sunshine of the year in New York, New York.

How many hours of sunshine does New York have in July?

The average sunshine in July is 10.5h.

What are the months with the highest UV index in New York?

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

What is the UV index intensity in July in New York?

In New York, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in July - New York, 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 (36.5°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 (26.1°F).

Average humidity in July - New York, NY
  • Average humidity in July: 72%

Months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

Average rainfall in July - New York, NY
  • Average rainfall in July: 4.02"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the lowest rainfall) is January (2.17").

Average rainfall days in July - New York, NY
  • Average rainfall days in July: 18.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the lowest number of rainy days is January (9.1 days).

Average snowfall in July - New York, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.64").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in July - New York, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July - New York, 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 (39.7°F).

Average daylight in July / Average sunshine in July - New York, NY
  • Average daylight in July: 14.7h

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

  • Average sunshine in July: 10.5h

The month with most sunshine is July (Average sunshine: 10.5h).
The month with least sunshine is February (Average sunshine: 4.7h).

Average UV index in July - New York, 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).