July weather forecast
Rochester, NY

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Amazing High Falls in Rochester, New York, USA
Amazing High Falls in Rochester, New York, USA

Weather in July

As the heart of summer, July is the warmest month in Rochester with a high average temperature of 77.9°F (25.5°C). The city enjoys the most prolonged daylight hours and the maximum sea temperature. Coupled with the warm temperatures, the extended daylight provides the perfect setting for long, sun-drenched days. Most days of July are free of rainfall, offering clear skies for most summer activities. Despite the heat, the cool wind from Lake Ontario helps moderate the summer warmth.

Temperature

July is Rochester's warmest month, registering average high temperatures of 77.9°F (25.5°C) and lows of 63°F (17.2°C).

Humidity

In July, the average relative humidity is 77%.

Rainfall

In Rochester, New York, during July, the rain falls for 18.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Rochester, during the entire year, the rain falls for 172.4 days and collects up to 29.45" (748mm) of precipitation.

Snowfall

June through September are months without snowfall.

Ocean temperature

In July, the average ocean temperature in Rochester is 70.9°F (21.6°C).
Note: In water with a temperature of 70.9°F (21.6°C), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Rochester, the average length of the day in July is 15h and 0min.
On the first day of July, sunrise is at 5:34 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:32 pm EDT.

Sunshine

The month with the most sunshine in Rochester is July, with an average of 10.6h of sunshine.

UV index

The month with the highest UV index in Rochester, New York, is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

What is the warmest month in Rochester?

July is Rochester's warmest month, registering average high temperatures of 77.9°F (25.5°C) and lows of 63°F (17.2°C).

What is the temperature in July in Rochester?

In Rochester, in July, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 63°F (17.2°C).

What is the average humidity in July in Rochester?

The average relative humidity in July is 77%.

How many days does it rain in July in Rochester?

In Rochester, during July, the rain falls for 18.5 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Rochester?

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

What is the ocean temperature in July in Rochester?

In Rochester, the average seawater temperature in July is 70.9°F (21.6°C). For swimming, a surface water temperature of 70.9°F (21.6°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Rochester have in July?

In July, the average day length in Rochester is 15h and 0min.

When is the sunrise / sunset in July in Rochester?

In July, on the first day of the month, sunrise is at 5:34 am and sunset at 8:53 pm. On the last day of the month, in Rochester, sunrise is at 6:00 am and sunset at 8:32 pm EDT.

What month has the most sunshine in Rochester?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

How many hours of sunshine does Rochester have in July?

In Rochester, the average sunshine duration in July is 10.6h.

When is the highest UV index in Rochester?

July is the month with the highest UV index in Rochester, with an average maximum UV index of 6.

How high is the UV index in July in Rochester?

The average daily maximum UV index in July in Rochester, New York, is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Rochester, NY

Average temperature in July - Rochester, NY
  • Average high temperature in July: 77.9°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in July: 63°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in July
Rochester, NY

Average pressure in July - Rochester, 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
Rochester, NY

Average wind speed in July - Rochester, NY
  • Average wind speed in July: 7mph

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity in July
Rochester, NY

Average humidity in July - Rochester, NY
  • Average humidity in July: 77%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).

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Average rainfall in July
Rochester, NY

Average rainfall in July - Rochester, NY
  • Average rainfall in July: 2.72"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in July
Rochester, NY

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

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in July
Rochester, NY

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

The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Rochester, NY

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

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in July
Rochester, NY

Average sea temperature in July - Rochester, NY
  • Average sea temperature in July: 70.9°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is March (35.8°F).

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Average daylight in July /
Average sunshine in July
Rochester, NY

Average daylight in July / Average sunshine in July - Rochester, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

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Average sunshine days in July
Rochester, NY

Average sunshine days in July - Rochester, NY
  • Average sunshine days in July: 10.4 days

The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).

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Average UV index in July
Rochester, NY

Average UV index in July - Rochester, 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 and December (UV index 1).

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Average cloud cover in July
Rochester, NY

Average cloud cover in July - Rochester, NY
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Rochester, NY

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

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

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Rochester, New York, USA

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