August weather forecast
Ravinia, SD

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Weather in August

The last month of the summer, August, is another warm month in Ravinia, South Dakota, with an average temperature ranging between max 85.1°F (29.5°C) and min 62.8°F (17.1°C).

Temperature

Ravinia's August showcases an average high-temperature of a warm 85.1°F (29.5°C), hardly distinct from July's 86.5°F (30.3°C). Significant dips from daytime highs mark the August nights, with a consistent average temperature of 62.8°F (17.1°C).

Heat index

The heat index value for August is calculated to be a hot 91.4°F (33°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in August is 65%.

Rainfall

In August, the rain falls for 11.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated. In Ravinia, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 53min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:54 pm. On the last day of August, sunrise is at 6:57 am and sunset at 8:09 pm CDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The high-temperature during August is 85.1°F (29.5°C) and the low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August?

In Ravinia, the average relative humidity in August is 65%.

How many days does it rain in August?

In Ravinia, in August, during 11.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Ravinia have in August?

In Ravinia, South Dakota, the average day length in August is 13h and 53min.

When is the sunrise / sunset in August?

On the first day of August in Ravinia, South Dakota, sunrise is at 6:25 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Ravinia have in August?

The average sunshine duration in August is 10.5h.

What is the month with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from 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
Ravinia, SD

Average temperature in August - Ravinia, SD
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in August
Ravinia, SD

Average pressure in August - Ravinia, SD
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Ravinia, SD

Average wind speed in August - Ravinia, SD
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in August
Ravinia, SD

Average humidity in August - Ravinia, SD
  • Average humidity in August: 65%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in August
Ravinia, SD

Average rainfall in August - Ravinia, SD
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in August
Ravinia, SD

Average rainfall days in August - Ravinia, SD
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in August
Ravinia, SD

Average snowfall in August - Ravinia, SD
  • Average snowfall in August: 0"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Ravinia, SD

Average snowfall days in August - Ravinia, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.2 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
Ravinia, SD

Average daylight in August / Average sunshine in August - Ravinia, SD
  • Average daylight in August: 13h and 5min

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

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August
Ravinia, SD

Average sunshine days in August - Ravinia, SD
  • Average sunshine days in August: 16.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Ravinia, SD

Average UV index in August - Ravinia, SD
  • 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
Ravinia, SD

Average cloud cover in August - Ravinia, SD
  • Average cloud cover in August: 24

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in August
Ravinia, SD

Average visibility in August - Ravinia, SD
  • 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).

Ravinia, South Dakota, USA

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