August weather forecast and climate
Rochester, NY

The High Falls in Rochester, New York, and the distant view of the city
The High Falls in Rochester, New York, and the distant view of the city

What is the temperature in August in Rochester?

In Rochester, New York, in August, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 59.5°F (15.3°C).

How many days does it rain in August in Rochester?

In Rochester, New York, in August, during 10.8 rainfall days, typically, 3.5" (88.1mm) of precipitation is accumulated.

What is the wettest month in Rochester?

The month with the most rainfall in Rochester, New York, is August when the rain falls for 10.8 days and typically aggregates up to 3.5" (88.1mm) of precipitation.

What month is the sea warmest in Rochester?

Month with the warmest seawater in Rochester is August, with an average sea temperature of 73°F (22.8°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73°F (22.8°C) water. The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).

How warm is the water in August in Rochester?

In August, the average sea temperature is 73°F (22.8°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73°F (22.8°C) water. The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).
Average temperature in August - Rochester, NY
  • Average high temperature in August: 79.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.7°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (60.7°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average humidity in August - Rochester, NY
  • Average humidity in August: 74.3%

The month with the highest relative humidity is December (77.5%).
The month with the lowest relative humidity is April (67%).

Average rainfall in August - Rochester, NY
  • Average rainfall in August: 3.5"

The wettest month (with the highest rainfall) is August (3.5").
The driest month (with the lowest rainfall) is February (2").

Average rainfall days in August - Rochester, NY
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is January (19.4 days).
Months with the lowest number of rainy days are July and August (10.8 days).

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

The month with the highest snowfall is January (28.2").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is January (18 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in August - Rochester, NY
  • Average sea temperature in August: 73°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).

Average daylight in August / Average sunshine in August - Rochester, NY
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in August: 8.8h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 2.5h).

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