August weather forecast
Evansville, IN

Weather in August

August, the last month of the summer in Evansville, is another warm month, with an average temperature ranging between min 65.8°F (18.8°C) and max 84°F (28.9°C).

Temperature

In Evansville, the average high-temperature in August is essentially the same as in July - a still warm 84°F (28.9°C). The average low-temperature, in Evansville, is 65.8°F (18.8°C).

Heat index

In August, the average heat index is calculated to be a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, pregnancy, and metabolic differences affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Evansville, in August, during 13 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 151.3 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Evansville.

Daylight

In August, the average length of the day is 13h and 35min.
On the first day of the month, sunrise is at 5:53 am and sunset at 7:59 pm. On the last day of August, in Evansville, sunrise is at 6:19 am and sunset at 7:21 pm CDT.

Sunshine

In Evansville, the average sunshine in August is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Evansville, Indiana. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Evansville?

In August, in Evansville, Indiana, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 93.2°F (34°C).

What is the average humidity in August in Evansville?

The average relative humidity in August in Evansville, Indiana, is 78%.

How much does it rain in Evansville in August?

In August, in Evansville, the rain falls for 13 days. Throughout August, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Evansville?

In Evansville, snow does not fall in May through October.

How many hours of daylight does Evansville have in August?

The average day length in August in Evansville, Indiana, is 13h and 35min.

When is the sunrise / sunset in August in Evansville?

On the first day of August, sunrise is at 5:53 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:21 pm CDT.

How many hours of sunshine does Evansville have in August?

In Evansville, the average sunshine duration in August is 10.3h.

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

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

What is the UV index reading in August in Evansville?

In Evansville, Indiana, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in August
Evansville, IN

Average temperature in August - Evansville, IN
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in August
Evansville, IN

Average pressure in August - Evansville, IN
  • Average pressure in August: 29.99"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in August
Evansville, IN

Average wind speed in August - Evansville, IN
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in August
Evansville, IN

Average humidity in August - Evansville, IN
  • Average humidity in August: 78%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in August
Evansville, IN

Average rainfall in August - Evansville, IN
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in August
Evansville, IN

Average rainfall days in August - Evansville, IN
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in August
Evansville, IN

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

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Evansville, IN

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

The month with the highest number of snowfall days is January (5.7 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
Evansville, IN

Average daylight in August / Average sunshine in August - Evansville, IN
  • Average daylight in August: 13h and 35min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in August: 10.3h

The months with the most sunshine are June and July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.3h).

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Average sunshine days in August
Evansville, IN

Average sunshine days in August - Evansville, IN
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in August
Evansville, IN

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

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

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Average cloud cover in August
Evansville, IN

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

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in August
Evansville, IN

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

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

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