August weather forecast
Rochester, IN

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Weather in August

The last month of the summer, August, is another warm month in Rochester, Indiana, with an average temperature fluctuating between 79°F (26.1°C) and 61.3°F (16.3°C).

Temperature

With the transition into August, Rochester notes an average high-temperature of a still warm 79°F (26.1°C), closely resembling July. Throughout August nights, Rochester registers an average low-temperature of 61.3°F (16.3°C).

Humidity

In August, the average relative humidity is 83%.

Rainfall

In Rochester, in August, during 13.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Rochester, there are 129.2 rainfall days, and 15.04" (382mm) of precipitation is accumulated.

Snowfall

In Rochester, snow does not fall in May through September.

Daylight

In Rochester, the average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 6:41 am and sunset at 9:00 pm. On the last day of August, in Rochester, Indiana, sunrise is at 7:11 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in August in Rochester is 9.1h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the temperature in August in Rochester?

The average high-temperature and low-temperature during August are 79°F (26.1°C) and 61.3°F (16.3°C) respectively.

What is the average humidity in August in Rochester?

The average relative humidity in August in Rochester, Indiana, is 83%.

How much does it rain in Rochester in August?

In Rochester, in August, it is raining for 13.5 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Rochester?

May through September are months without snowfall in Rochester.

How many hours of daylight does Rochester have in August?

In August, the average day length in Rochester, Indiana, is 13h and 46min.

What time are sunrise and sunset in August in Rochester?

On the first day of August, sunrise is at 6:41 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Rochester have in August?

In Rochester, the average sunshine duration in August is 9.1h.

What is the UV index intensity in August in Rochester?

In Rochester, Indiana, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents 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 August
Rochester, IN

Average temperature in August - Rochester, IN
  • Average high temperature in August: 79°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in August
Rochester, IN

Average pressure in August - Rochester, IN
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Rochester, IN

Average wind speed in August - Rochester, IN
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in August
Rochester, IN

Average humidity in August - Rochester, IN
  • Average humidity in August: 83%

The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
Rochester, IN

Average rainfall in August - Rochester, IN
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and December (0.79").

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Average rainfall days in August
Rochester, IN

Average rainfall days in August - Rochester, IN
  • Average rainfall days in August: 13.5 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall in August
Rochester, IN

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Rochester, IN

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

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Rochester, IN

Average daylight in August / Average sunshine in August - Rochester, IN
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 1min

The months with the most sunshine are June and July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
Rochester, IN

Average sunshine days in August - Rochester, IN
  • Average sunshine days in August: 12.5 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in August
Rochester, IN

Average UV index in August - Rochester, IN
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Rochester, IN

Average cloud cover in August - Rochester, IN
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Rochester, IN

Average visibility in August - Rochester, IN
  • Average visibility in August: 5mi

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

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Rochester, Indiana, USA

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