July weather forecast
Great River, NY

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Weather in July

July in Great River, New York, is a warm summer month, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 77.9°F (25.5°C).

Temperature

Great River's weather in July presents a minor rise in the average high-temperature, moving from an agreeable 70.7°F (21.5°C) in June to a warm 77.9°F (25.5°C). Throughout July, Great River observes a steady low-temperature average of 71.6°F (22°C), reflecting a minor dip from daytime highs.

Humidity

The average relative humidity in July is 76%.

Rainfall

In Great River, during July, the rain falls for 17.7 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Great River, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

Snowfall

In Great River, snow does not fall in April, June through September and November.

Ocean temperature

In July, the average ocean temperature is 72.1°F (22.3°C).
Note: When thinking about a swim in 72.1°F (22.3°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

In July, the average length of the day 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, sunrise is at 5:49 am and sunset at 8:08 pm EDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! Sand and water increase UV exposure due to their reflective properties.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average July temperature?

The average high-temperature, in July, in Great River, is 77.9°F (25.5°C), while the average low-temperature is 71.6°F (22°C).

What is the average humidity in July?

In July, the average relative humidity is 76%.

How much does it rain in Great River in July?

In Great River, during July, the rain falls for 17.7 days and regularly aggregates up to 3.62" (92mm) of precipitation.

When it does not snow?

In Great River, snow does not fall in April, June through September and November.

How warm is the water in July?

In Great River, New York, 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).

What is the average length of the day in July?

In Great River, the average day length in July is 14h and 45min.

What time are sunrise and sunset in July?

On the first day of July in Great River, 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 8:08 pm EDT.

What month has the most sunshine?

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

How long on average sun shines in July?

In July, the average sunshine duration is 10.8h.

When is the highest UV index?

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

How high is the UV index in July?

In Great River, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Great River, NY

Average temperature in July - Great River, NY
  • Average high temperature in July: 77.9°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in July: 71.6°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in July
Great River, NY

Average pressure in July - Great River, 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).

Average wind speed in July
Great River, NY

Average wind speed in July - Great River, NY
  • Average wind speed in July: 9mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

Average humidity in July
Great River, NY

Average humidity in July - Great River, NY
  • Average humidity in July: 76%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in July
Great River, NY

Average rainfall in July - Great River, NY
  • Average rainfall in July: 3.62"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in July
Great River, NY

Average rainfall days in July - Great River, NY
  • Average rainfall days in July: 17.7 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in July
Great River, NY

Average snowfall in July - Great River, NY
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

Average snowfall days in July
Great River, NY

Average snowfall days in July - Great River, NY
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in July
Great River, NY

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

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight in July /
Average sunshine in July
Great River, NY

Average daylight in July / Average sunshine in July - Great River, 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).

Average sunshine days in July
Great River, NY

Average sunshine days in July - Great River, NY
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in July
Great River, NY

Average UV index in July - Great River, 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).

Average cloud cover in July
Great River, NY

Average cloud cover in July - Great River, 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).

Average visibility in July
Great River, NY

Average visibility in July - Great River, 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).

Great River, New York, USA

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