August weather forecast
Saint Louis Crossing, IN

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Weather in August

August, the last month of the summer in Saint Louis Crossing, is also a moderately hot month, with an average temperature fluctuating between 63.3°F (17.4°C) and 82.8°F (28.2°C).

Temperature

The transition from July to August sees average high-temperatures adjusting to a still moderately hot 82.8°F (28.2°C), from a not significantly different 83.3°F (28.5°C). Saint Louis Crossing, during the nights of August, experiences an average temperature drop to a refreshing 63.3°F (17.4°C).

Heat index

For most parts of August, the heat index is calculated to be a tropical 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

The average relative humidity in August is 79%.

Rainfall

In August, the rain falls for 14.6 days. Throughout August, 2.05" (52mm) of precipitation is accumulated. In Saint Louis Crossing, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in August in Saint Louis Crossing is 13h and 40min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of August, sunrise is at 7:11 am and sunset at 8:15 pm EDT.

Sunshine

In August, the average sunshine in Saint Louis Crossing, Indiana, is 9.6h.

UV index

June 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during August translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

August temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 79%.

How many days does it rain in August?

In Saint Louis Crossing, in August, it is raining for 14.6 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Saint Louis Crossing have in August?

In Saint Louis Crossing, the average day length in August is 13h and 40min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Saint Louis Crossing have in August?

In August, the average sunshine duration is 9.6h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In Saint Louis Crossing, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Saint Louis Crossing, IN

Average temperature in August - Saint Louis Crossing, IN
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in August
Saint Louis Crossing, IN

Average pressure in August - Saint Louis Crossing, IN
  • Average pressure in August: 29.98"Hg

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

Average wind speed in August
Saint Louis Crossing, IN

Average wind speed in August - Saint Louis Crossing, IN
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in August
Saint Louis Crossing, IN

Average humidity in August - Saint Louis Crossing, IN
  • Average humidity in August: 79%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Saint Louis Crossing, IN

Average rainfall in August - Saint Louis Crossing, IN
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Saint Louis Crossing, IN

Average rainfall days in August - Saint Louis Crossing, IN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in August
Saint Louis Crossing, IN

Average snowfall in August - Saint Louis Crossing, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Saint Louis Crossing, IN

Average snowfall days in August - Saint Louis Crossing, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 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
Saint Louis Crossing, IN

Average daylight in August / Average sunshine in August - Saint Louis Crossing, 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 30min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Saint Louis Crossing, IN

Average sunshine days in August - Saint Louis Crossing, IN
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in August
Saint Louis Crossing, IN

Average UV index in August - Saint Louis Crossing, 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, November and December (UV index 2).

Average cloud cover in August
Saint Louis Crossing, IN

Average cloud cover in August - Saint Louis Crossing, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Saint Louis Crossing, IN

Average visibility in August - Saint Louis Crossing, IN
  • Average visibility in August: 6mi

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

Saint Louis Crossing, Indiana, USA

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