August weather forecast
Brookville, IN

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Weather in August

The last month of the summer, August, is another warm month in Brookville, Indiana, with an average temperature fluctuating between 63°F (17.2°C) and 81.1°F (27.3°C).

Temperature

Brookville's weather in August indicates an average high-temperature of a still warm 81.1°F (27.3°C), nearly consistent with the 81.9°F (27.7°C) of July. Throughout August, the average low-temperature dips to an enjoyable 63°F (17.2°C).

Heat index

For August, the heat index is estimated at a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In Brookville, Indiana, the average relative humidity in August is 79%.

Rainfall

In Brookville, in August, it is raining for 14.2 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 153.9 rainfall days, and 25.47" (647mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:40 am and sunset at 8:52 pm. On the last day of August, sunrise is at 7:08 am and sunset at 8:12 pm EDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during August translates into the following guidance:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

The average high-temperature, in August, in Brookville, is 81.1°F (27.3°C), while the average low-temperature is 63°F (17.2°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August?

In Brookville, the average relative humidity in August is 79%.

How much does it rain in August?

In August, the rain falls for 14.2 days. Throughout August, 2.01" (51mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in August?

In Brookville, the average day length in August is 13h and 40min.

When is the sunrise / sunset in August?

On the first day of August in Brookville, sunrise is at 6:40 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 8:12 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.8h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Brookville.

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Brookville, IN

Average temperature in August - Brookville, IN
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in August
Brookville, IN

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Brookville, IN

Average wind speed in August - Brookville, IN
  • Average wind speed in August: 5.5mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Brookville, IN

Average humidity in August - Brookville, IN
  • Average humidity in August: 79%

The months with the highest relative humidity are January, May, July and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in August
Brookville, IN

Average rainfall in August - Brookville, IN
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in August
Brookville, IN

Average rainfall days in August - Brookville, IN
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (8 days).

Average snowfall in August
Brookville, IN

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

The month with the highest snowfall is March (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Brookville, IN

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Brookville, IN

Average sunshine days in August - Brookville, IN
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in August
Brookville, IN

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Brookville, IN

Average cloud cover in August - Brookville, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Brookville, IN

Average visibility in August - Brookville, IN
  • Average visibility in August: 6mi

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

Brookville, Indiana, USA

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