July weather forecast
Portville, NY

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Weather in July

July in Portville, New York, is a moderately hot summer month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 78.4°F (25.8°C).

Temperature

In Portville, the month of July registers the highest temperatures, averaging 78.4°F (25.8°C) at the peak and 55.9°F (13.3°C) at the lowest.

Humidity

May through July, with an average relative humidity of 79%, are the least humid months in Portville.

Rainfall

In July, in Portville, New York, the rain falls for 18.5 days. Throughout July, 2.68" (68mm) of precipitation is accumulated. In Portville, during the entire year, the rain falls for 168.9 days and collects up to 30" (762mm) of precipitation.

Snowfall

June through September are months without snowfall in Portville.

Daylight

In July, the average length of the day in Portville, New York, is 14h and 53min.
On the first day of July, sunrise is at 5:41 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:32 pm EDT.

Sunshine

July has the most sunshine of the year in Portville, with an average of 9.4h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Portville. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 in July translates into these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the warmest month in Portville?

July, with its high-temperature average of 78.4°F (25.8°C) and a low-temperature average of 55.9°F (13.3°C), is the warmest month in Portville, New York.

What are July temperatures in Portville?

The high-temperature, in July, in Portville, records 78.4°F (25.8°C), while the low-temperature is 55.9°F (13.3°C).

What is the least humid month in Portville?

The months with the lowest humidity in Portville are May through July, with an average relative humidity of 79%.

What is the average humidity in July in Portville?

In July, the average relative humidity is 79%.

How many days does it rain in July in Portville?

In Portville, in July, during 18.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Portville?

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

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

The average day length in July is 14h and 53min.

When is the sunrise / sunset in July in Portville?

On the first day of July, sunrise is at 5:41 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:32 pm EDT.

What month has the most sunshine in Portville?

With an average of 9.4h of sunshine, July has the most sunshine of the year in Portville.

How long on average sun shines in July in Portville?

The average sunshine duration in July in Portville is 9.4h.

When is the highest UV index in Portville?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Portville, New York.

How high is the UV index in July in Portville?

In Portville, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Portville, NY

Average temperature in July - Portville, NY
  • Average high temperature in July: 78.4°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in July: 55.9°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in July
Portville, NY

Average pressure in July - Portville, 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 (29.94"Hg).

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Average wind speed in July
Portville, NY

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

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in July
Portville, NY

Average humidity in July - Portville, NY
  • Average humidity in July: 79%

The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).

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Average rainfall in July
Portville, NY

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

The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in July
Portville, NY

Average rainfall days in July - Portville, NY
  • Average rainfall days in July: 18.5 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in July
Portville, NY

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

The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Portville, NY

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

The month with the highest number of snowfall days is January (20.2 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
Portville, NY

Average daylight in July / Average sunshine in July - Portville, 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in July
Portville, NY

Average sunshine days in July - Portville, NY
  • Average sunshine days in July: 9.8 days

The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is February (5.9 days).

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Average UV index in July
Portville, NY

Average UV index in July - Portville, NY
  • Average UV index in July: 5

The months with the highest UV index are May, 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
Portville, NY

Average cloud cover in July - Portville, NY
  • Average cloud cover in July: 43

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 43).

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Average visibility in July
Portville, NY

Average visibility in July - Portville, NY
  • Average visibility in July: 5mi

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

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Portville, New York, USA

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