August weather forecast
Dayton, IN

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Weather in August

August, the last month of the summer in Dayton, is another warm month, with an average temperature ranging between min 62.6°F (17°C) and max 79.9°F (26.6°C).

Temperature

The transition into August reveals an average high-temperature of a still warm 79.9°F (26.6°C), mirroring a close resemblance to July. Dayton's average low-temperature in the month of August is recorded at a comfortable 62.6°F (17°C).

Humidity

In August, the average relative humidity is 83%.

Rainfall

In Dayton, Indiana, in August, during 16.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 161.4 rainfall days, and 26.89" (683mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 43min.
On the first day of August in Dayton, sunrise is at 6:45 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 8:20 pm EDT.

Sunshine

In Dayton, the average sunshine in August is 9.3h.

UV index

The months with the highest UV index in Dayton are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in August in Dayton?

In Dayton, 79.9°F (26.6°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 87.8°F (31°C).

What is the average humidity in August in Dayton?

The average relative humidity in August is 83%.

How much does it rain in Dayton in August?

In Dayton, Indiana, during August, the rain falls for 16.5 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Dayton?

May through September are months without snowfall.

How many hours of daylight does Dayton have in August?

In Dayton, the average day length in August is 13h and 43min.

When are sunrise and sunset in August in Dayton?

In August, on the first day of the month, sunrise is at 6:45 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Dayton have in August?

In August, the average sunshine duration in Dayton is 9.3h.

What is the month with the highest UV index in Dayton?

The months with the highest UV index in Dayton are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Dayton?

In Dayton, Indiana, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to 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
Dayton, IN

Average temperature in August - Dayton, IN
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in August
Dayton, IN

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Dayton, IN

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

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in August
Dayton, IN

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in August
Dayton, IN

Average rainfall in August - Dayton, IN
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is February (1.54").

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Average rainfall days in August
Dayton, IN

Average rainfall days in August - Dayton, IN
  • Average rainfall days in August: 16.5 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in August
Dayton, IN

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

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Dayton, IN

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

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Dayton, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Dayton, IN

Average sunshine days in August - Dayton, IN
  • Average sunshine days in August: 10.5 days

The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are May and July (9.3 days).

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Average UV index in August
Dayton, IN

Average UV index in August - Dayton, IN
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in August
Dayton, IN

Average cloud cover in August - Dayton, IN
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June, July, August and September (Cloud cover 33).

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Average visibility in August
Dayton, IN

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

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

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Dayton, Indiana, USA

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