July weather forecast
Williamsville, NY

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Weather in July

July is a warm summer month in Williamsville, New York, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C).

Temperature

July, marked by an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 62.2°F (16.8°C), is the warmest month.

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

Rainfall

July is the month with the most rainfall in Williamsville. Rain falls for 15.8 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 59min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:57 pm. On the last day of July, sunrise is at 6:05 am and sunset at 8:36 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.4h of sunshine.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index in Williamsville. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What part of the year is the hottest in Williamsville?

July, having an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.2°F (16.8°C), is the warmest month in Williamsville.

What is the usual temperature for Williamsville in July?

The high-temperature, in July, in Williamsville, is 79.3°F (26.3°C), while the low-temperature averages to 62.2°F (16.8°C).

What are the least humid months in Williamsville?

The months with the lowest humidity are July and August, with an average relative humidity of 75%.

What is the average humidity in July in Williamsville?

In Williamsville, New York, the average relative humidity in July is 75%.

What is the rainiest month in Williamsville?

July is the month with the most rainfall. Rain falls for 15.8 days and accumulates 1.61" (41mm) of precipitation.

How much does it rain in Williamsville in July?

In July, the rain falls for 15.8 days. Throughout July, 1.61" (41mm) of precipitation is accumulated.

When it does not snow in Williamsville?

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

How many hours of daylight does Williamsville have in July?

In Williamsville, the average day length in July is 14h and 59min.

What time are sunrise and sunset in July in Williamsville?

On the first day of July in Williamsville, sunrise is at 5:40 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:36 pm EDT.

What is the month with the most sunshine in Williamsville?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

How long on average sun shines in July in Williamsville?

In July, the average sunshine duration in Williamsville is 10.4h.

When is the highest UV index in Williamsville?

The month with the highest UV index in Williamsville, New York, is July, with an average maximum UV index of 6.

How high is the UV index in July in Williamsville?

In July, the average daily maximum UV index is 6. A UV Index reading 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
Williamsville, NY

Average temperature in July - Williamsville, NY
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in July: 62.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in July
Williamsville, NY

Average pressure in July - Williamsville, NY
  • Average pressure in July: 29.95"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).

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Average wind speed in July
Williamsville, NY

Average wind speed in July - Williamsville, NY
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in July
Williamsville, NY

Average humidity in July - Williamsville, NY
  • Average humidity in July: 75%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in July
Williamsville, NY

Average rainfall in July - Williamsville, NY
  • Average rainfall in July: 1.61"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in July
Williamsville, NY

Average rainfall days in July - Williamsville, NY
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in July
Williamsville, NY

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

The months with the highest snowfall are January and February (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Williamsville, NY

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

The month with the highest number of snowfall days is January (15.8 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
Williamsville, NY

Average daylight in July / Average sunshine in July - Williamsville, NY
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in July
Williamsville, NY

Average sunshine days in July - Williamsville, NY
  • Average sunshine days in July: 13.2 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.2 days).

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Average UV index in July
Williamsville, NY

Average UV index in July - Williamsville, NY
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in July
Williamsville, NY

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

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Williamsville, NY

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

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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Williamsville, New York, USA

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