July weather forecast
Great Valley, NY

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Weather in July

July is a moderately hot summer month in Great Valley, New York, with an average temperature varying between 57°F (13.9°C) and 77.5°F (25.3°C).

Temperature

Great Valley's July weather reaches an average high of 77.5°F (25.3°C) and an average low of 57°F (13.9°C), making it the warmest month.

Humidity

In July, the average relative humidity is 80%.

Rainfall

In Great Valley, in July, during 18 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Great Valley, there are 159.5 rainfall days, and 28.03" (712mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Great Valley, the average length of the day in July is 14h and 54min.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:54 pm. On the last day of July, in Great Valley, sunrise is at 6:07 am and sunset at 8:34 pm EDT.

Sunshine

July and August, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Great Valley, New York, are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during July morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What month is the hottest in Great Valley?

July is the warmest month, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C).

What are July temperatures in Great Valley?

Great Valley in July has an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 57°F (13.9°C).

What is the average humidity in July in Great Valley?

In Great Valley, the average relative humidity in July is 80%.

How many days does it rain in July in Great Valley?

In July, the rain falls for 18 days. Throughout July, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Great Valley?

In Great Valley, New York, snow does not fall in June through September.

How many hours of daylight does Great Valley have in July?

In Great Valley, the average day length in July is 14h and 54min.

What time are sunrise and sunset in July in Great Valley?

On the first day of July in Great Valley, sunrise is at 5:42 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:34 pm EDT.

What are the months with the most sunshine in Great Valley?

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Great Valley.

How long on average sun shines in July in Great Valley?

In Great Valley, New York, the average sunshine duration in July is 9.7h.

What are the months with the highest UV index in Great Valley?

The months with the highest UV index in Great Valley are June through August, with an average maximum UV index of 5.

What is the UV index intensity in July in Great Valley?

In Great Valley, New York, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium health risk 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 Valley, NY

Average temperature in July - Great Valley, NY
  • Average high temperature in July: 77.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in July: 57°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in July
Great Valley, NY

Average pressure in July - Great Valley, NY
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Great Valley, NY

Average wind speed in July - Great Valley, NY
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in July
Great Valley, NY

Average humidity in July - Great Valley, NY
  • Average humidity in July: 80%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (79%).

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Average rainfall in July
Great Valley, NY

Average rainfall in July - Great Valley, NY
  • Average rainfall in July: 2.4"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in July
Great Valley, NY

Average rainfall days in July - Great Valley, NY
  • Average rainfall days in July: 18 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in July
Great Valley, NY

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

The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Great Valley, NY

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

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Great Valley, NY
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in July
Great Valley, NY

Average sunshine days in July - Great Valley, NY
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (8.3 days).

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Average UV index in July
Great Valley, NY

Average UV index in July - Great Valley, NY
  • Average UV index in July: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in July
Great Valley, NY

Average cloud cover in July - Great Valley, NY
  • Average cloud cover in July: 39

The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in July
Great Valley, NY

Average visibility in July - Great Valley, NY
  • Average visibility in July: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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Great Valley, New York, USA

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