July weather forecast
Petersburg, NY

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Weather in July

July in Petersburg, New York, is a moderately hot summer month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 78.6°F (25.9°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 78.6°F (25.9°C) and a low of 57°F (13.9°C).

Humidity

In Petersburg, the average relative humidity in July is 78%.

Rainfall

In Petersburg, New York, in July, it is raining for 17.8 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Petersburg, there are 167.1 rainfall days, and 35.98" (914mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Petersburg.

Daylight

In July, the average length of the day is 14h and 58min.
On the first day of July, sunrise is at 5:19 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:14 pm EDT.

Sunshine

With an average of 9.9h of sunshine, July has the most sunshine of the year in Petersburg.

UV index

The months with the highest UV index in Petersburg are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during July translates into the following guidance:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the hottest time of year in Petersburg?

July, marked by an average high-temperature of 78.6°F (25.9°C) and a low-temperature of 57°F (13.9°C), is the warmest month in Petersburg.

What is the average July temperature in Petersburg?

In July, in Petersburg, the average high-temperature is 78.6°F (25.9°C), and the average low-temperature is 57°F (13.9°C).

What is the average humidity in July in Petersburg?

In July, the average relative humidity in Petersburg, New York, is 78%.

How many days does it rain in July in Petersburg?

In Petersburg, in July, it is raining for 17.8 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow in Petersburg?

June through September are months without snowfall in Petersburg, New York.

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

In Petersburg, the average day length in July is 14h and 58min.

When are sunrise and sunset in July in Petersburg?

In July, on the first day of the month, sunrise is at 5:19 am and sunset at 8:35 pm. On the last day of the month, in Petersburg, New York, sunrise is at 5:44 am and sunset at 8:14 pm EDT.

What month has the most sunshine in Petersburg?

With an average of 9.9h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July in Petersburg?

In July, the average sunshine duration is 9.9h.

When is the highest UV index in Petersburg?

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

How high is the UV index in July in Petersburg?

In Petersburg, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Petersburg, NY

Average temperature in July - Petersburg, NY
  • Average high temperature in July: 78.6°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in July: 57°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in July
Petersburg, NY

Average pressure in July - Petersburg, 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 (29.92"Hg).

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Average wind speed in July
Petersburg, NY

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

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Petersburg, NY

Average humidity in July - Petersburg, NY
  • Average humidity in July: 78%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in July
Petersburg, NY

Average rainfall in July - Petersburg, NY
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is March (2.6").

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Average rainfall days in July
Petersburg, NY

Average rainfall days in July - Petersburg, NY
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in July
Petersburg, NY

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

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Petersburg, NY

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

The month with the highest number of snowfall days is February (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
Petersburg, NY

Average daylight in July / Average sunshine in July - Petersburg, 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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

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Average sunshine days in July
Petersburg, NY

Average sunshine days in July - Petersburg, NY
  • Average sunshine days in July: 12 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (9 days).

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Average UV index in July
Petersburg, NY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in July
Petersburg, NY

Average cloud cover in July - Petersburg, NY
  • Average cloud cover in July: 38

The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in July
Petersburg, NY

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

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

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Petersburg, New York, USA

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