July weather forecast
Old Brookville, NY

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Weather in July

July, like June, in Old Brookville, New York, is a moderately hot summer month, with an average temperature varying between 70.3°F (21.3°C) and 81.5°F (27.5°C).

Temperature

July, recognised by an average high temperature of 81.5°F (27.5°C) and a low of 70.3°F (21.3°C), is Old Brookville's warmest month.

Heat index

For most parts of July, the heat index is evaluated at a hot 86°F (30°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In July, the average relative humidity is 73%.

Rainfall

In Old Brookville, in July, it is raining for 17.9 days, with typically 4.02" (102mm) of accumulated precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.

Snowfall

In Old Brookville, New York, snow does not fall in May through October.

Daylight

In Old Brookville, the average length of the day in July is 14h and 46min.
On the first day of the month, sunrise is at 5:26 am and sunset at 8:29 pm. On the last day of July, sunrise is at 5:50 am and sunset at 8:10 pm EDT.

Sunshine

With an average of 10.7h 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 in Old Brookville. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

Old Brookville registers the average highest temperatures during July, with peaks of 81.5°F (27.5°C) and lows of 70.3°F (21.3°C).

What are July temperatures?

The high-temperature, in July, in Old Brookville, is 81.5°F (27.5°C), while the low-temperature averages to 70.3°F (21.3°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in July?

In Old Brookville, the average relative humidity in July is 73%.

How much does it rain in July?

In July, the rain falls for 17.9 days. Throughout July, 4.02" (102mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Old Brookville have in July?

In Old Brookville, the average day length in July is 14h and 46min.

When is the sunrise / sunset in July in Old Brookville?

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 5:50 am and sunset at 8:10 pm EDT.

What month has the most sunshine?

The month with the most sunshine in Old Brookville is July, with an average of 10.7h of sunshine.

How long on average sun shines in July?

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

What are the months with the highest UV index?

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

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Old Brookville, NY

Average temperature in July - Old Brookville, 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).

Average pressure in July
Old Brookville, NY

Average pressure in July - Old Brookville, 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).

Average wind speed in July
Old Brookville, NY

Average wind speed in July - Old Brookville, 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).

Average humidity in July
Old Brookville, NY

Average humidity in July - Old Brookville, 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%).

Average rainfall in July
Old Brookville, NY

Average rainfall in July - Old Brookville, 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").

Average rainfall days in July
Old Brookville, NY

Average rainfall days in July - Old Brookville, 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).

Average snowfall in July
Old Brookville, NY

Average snowfall in July - Old Brookville, 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").

Average snowfall days in July
Old Brookville, NY

Average snowfall days in July - Old Brookville, 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).

Average daylight in July /
Average sunshine in July
Old Brookville, NY

Average daylight in July / Average sunshine in July - Old Brookville, 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).

Average sunshine days in July
Old Brookville, NY

Average sunshine days in July - Old Brookville, 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).

Average UV index in July
Old Brookville, NY

Average UV index in July - Old Brookville, 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).

Average cloud cover in July
Old Brookville, NY

Average cloud cover in July - Old Brookville, 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).

Average visibility in July
Old Brookville, NY

Average visibility in July - Old Brookville, 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).

Old Brookville, New York, USA

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