July weather forecast
Katonah, NY

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Weather in July

July, like June, in Katonah, New York, is a moderately hot summer month, with an average temperature varying between 82.9°F (28.3°C) and 66°F (18.9°C).

Temperature

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

Heat index

In July, the average heat index is computed to be a tropical 89.6°F (32°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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.

Snowfall

In Katonah, snow does not fall in June through September.

Daylight

The average length of the day in July in Katonah is 14h and 48min.
On the first day of July, sunrise is at 5:25 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:12 pm EDT.

Sunshine

July has the most sunshine of the year in Katonah, New York, with an average of 10.5h 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 health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What part of the year is the hottest in Katonah?

In Katonah, July is the warmest month, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 66°F (18.9°C).

Is it hot in Katonah during July?

The high-temperature, in July, in Katonah, records 82.9°F (28.3°C), while the low-temperature is 66°F (18.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in July in Katonah?

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

What is the rainiest month in Katonah?

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

How many days does it rain in July in Katonah?

In Katonah, during July, the rain falls for 16.5 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Katonah?

June through September are months without snowfall.

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

In Katonah, the average day length in July is 14h and 48min.

What time are sunrise and sunset in July in Katonah?

In July, on the first day of the month, sunrise is at 5:25 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:12 pm EDT.

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 duration in July is 10.5h.

When is the highest UV index in Katonah?

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

What is the UV index reading in July in Katonah?

In Katonah, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
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"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).

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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").
The 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).
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
Katonah, NY

Average daylight in July / Average sunshine in July - Katonah, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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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

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).

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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

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).

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Katonah, New York, USA

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