August weather forecast
Buffalo, NY

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The Niagara square with the McKinley Monument in Buffalo, New York, USA
The Niagara square with the McKinley Monument in Buffalo, New York, USA

Weather in August

As the last month of summer, Buffalo experiences a slight decrease in temperature during August, though it remains comfortably warm and sunny. Sea temperatures peak at 74.2°F (23.4°C), the warmest of the year, encouraging water-borne recreation. Balmy evenings coupled with the waning daylight hours subtly hint at the approaching autumn season. With less frequent storms, residents find the month inviting for outdoor activities despite the gradual decline in daylight. The weather shows early signs of favoring autumn, evident from the slight uptick in cloud cover.

Temperature

The transition from July to August in Buffalo, New York, sees average high-temperatures adjusting to a still moderately hot 78.4°F (25.8°C), from a not significantly different 79.5°F (26.4°C). In the month of August, the average low-temperature in Buffalo usually rests at a comfortable 62.6°F (17°C).

Humidity

The months with the lowest humidity are July through September, with an average relative humidity of 74%.

Rainfall

In Buffalo, in August, during 17.1 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Buffalo, there are 169.2 rainfall days, and 28.15" (715mm) of precipitation is accumulated.

Snowfall

In Buffalo, New York, snow does not fall in June through September.

Ocean temperature

The month with the warmest seawater in Buffalo is August, with an average ocean temperature of 74.1°F (23.4°C).
Note: When thinking about a swim in 74.1°F (23.4°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

The average length of the day in August in Buffalo is 13h and 53min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:36 pm. On the last day of August, in Buffalo, sunrise is at 6:39 am and sunset at 7:51 pm EDT.

Sunshine

The average sunshine in August is 10.2h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In August, a regular UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
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Frequently asked questions

What is the usual temperature for Buffalo in August?

In August, in Buffalo, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 62.6°F (17°C).

What are the least humid months in Buffalo?

The months with the lowest humidity in Buffalo are July through September, with an average relative humidity of 74%.

What is the average humidity in August in Buffalo?

In August, the average relative humidity in Buffalo is 74%.

How much does it rain in Buffalo in August?

In Buffalo, New York, during August, the rain falls for 17.1 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow in Buffalo?

In Buffalo, New York, snow does not fall in June through September.

What is the month with the warmest ocean in Buffalo?

The month with the warmest seawater in Buffalo, New York, is August, with an average ocean temperature of 74.1°F (23.4°C).

How warm is the water in August in Buffalo?

In August, the average ocean temperature in Buffalo, New York, is 74.1°F (23.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.1°F (23.4°C) water.

How many hours of daylight does Buffalo have in August?

The average day length in August in Buffalo, New York, is 13h and 53min.

When are sunrise and sunset in August in Buffalo?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:36 pm. On the last day of the month, in Buffalo, New York, sunrise is at 6:39 am and sunset at 7:51 pm EDT.

How many hours of sunshine does Buffalo have in August?

The average sunshine duration in August is 10.2h.

What is the UV index reading in August in Buffalo?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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 August
Buffalo, NY

Average temperature in August - Buffalo, NY
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in August
Buffalo, NY

Average pressure in August - Buffalo, NY
  • Average pressure in August: 29.97"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 August
Buffalo, NY

Average wind speed in August - Buffalo, NY
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in August
Buffalo, NY

Average humidity in August - Buffalo, NY
  • Average humidity in August: 74%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July, August and September (74%).

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Average rainfall in August
Buffalo, NY

Average rainfall in August - Buffalo, NY
  • Average rainfall in August: 2.36"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in August
Buffalo, NY

Average rainfall days in August - Buffalo, NY
  • Average rainfall days in August: 17.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in August
Buffalo, NY

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

The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Buffalo, NY

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

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
Buffalo, NY

Average sea temperature in August - Buffalo, NY
  • Average sea temperature in August: 74.2°F

The best month for swimming (with the highest average sea temperature) is August (74.2°F).
The coldest month (with the lowest average sea temperature) is February (34.9°F).

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Average daylight in August /
Average sunshine in August
Buffalo, NY

Average daylight in August / Average sunshine in August - Buffalo, NY
  • Average daylight in August: 13h and 5min

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 August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in August
Buffalo, NY

Average sunshine days in August - Buffalo, NY
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (6.3 days).

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Average UV index in August
Buffalo, NY

Average UV index in August - Buffalo, NY
  • Average UV index in August: 5

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 August
Buffalo, NY

Average cloud cover in August - Buffalo, NY
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Buffalo, NY

Average visibility in August - Buffalo, NY
  • Average visibility in August: 6mi

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

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Buffalo, New York, USA

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