July weather forecast and climate
Katonah, NY

Weather in July

July, like June, in Katonah, New York, is another warm summer month, with average temperature ranging between min 66°F (18.9°C) and max 82.9°F (28.3°C).

Temperature

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 66°F (18.9°C), July is the warmest month.

Heat index

In July, the average heat index is appraised at a hot 89.4°F (31.9°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like pregnancy, clothing, metabolic differences, and activity influence one's weather impression. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In July, the average relative humidity is 74%.

Rainfall

July is the month with the most rainfall in Katonah. Rain falls for 16.5 days and accumulates 2.68" (68mm) of precipitation.

Snowfall

In Katonah snow does not fall in June through September.

Daylight

In July, the average length of the day in Katonah, New York, is 14.8h.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Katonah. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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.
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FAQ

What is the warmest month in Katonah?

July is the warmest month in Katonah, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 66°F (18.9°C).

What is the temperature in July in Katonah?

The average high-temperature, in July, is 82.9°F (28.3°C), while the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in July is appraised at 89.4°F (31.9°C).

What is the average humidity in July in Katonah?

In Katonah, New York, the average relative humidity in July is 74%.

What is the rainiest month in Katonah?

The month with the most rainfall in Katonah, New York, is July when the rain falls for 16.5 days and typically aggregates up to 2.68" (68mm) of precipitation.

How many days does it rain in July in Katonah?

In Katonah, in July, it is raining for 16.5 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Katonah?

June through September are months without snowfall in Katonah.

What is the average length of the day in July in Katonah?

In July, the average length of the day in Katonah, New York, is 14.8h.

What month has the most sunshine in Katonah?

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

How many hours of sunshine does Katonah have in July?

In Katonah, New York, the average sunshine in July is 10.5h.

When is the highest UV index in Katonah?

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 Katonah?

The average daily maximum UV index in July in Katonah is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in July
Katonah, NY

Average temperature in July - Katonah, 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 (34.5°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in July
Katonah, NY

Average pressure in July - Katonah, NY
  • Average pressure in July: 29.96"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in July
Katonah, NY

Average wind speed in July - Katonah, NY
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Katonah, NY

Average humidity in July - Katonah, NY
  • Average humidity in July: 74%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in July
Katonah, NY

Average rainfall in July - Katonah, NY
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").

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Average rainfall days in July
Katonah, NY

Average rainfall days in July - Katonah, NY
  • Average rainfall days in July: 16.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in July
Katonah, NY

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

The month with the highest snowfall is March (2.95").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Katonah, NY

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

The month with the highest number of snowfall days is February (6.3 days).
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
Katonah, NY

Average daylight in July / Average sunshine in July - Katonah, NY
  • Average daylight in July: 14.8h

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

  • Average sunshine in July: 10.5h

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

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Average sunshine days in July
Katonah, NY

Average sunshine days in July - Katonah, NY
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in July
Katonah, NY

Average UV index in July - Katonah, 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).

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Average cloud cover in July
Katonah, NY

Average cloud cover in July - Katonah, NY
  • Average cloud cover in July: 32

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in July
Katonah, NY

Average visibility in July - Katonah, NY
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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