August weather forecast
Olivet, SD

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Weather in August

August, the last month of the summer in Olivet, is another warm month, with an average temperature ranging between min 62.6°F (17°C) and max 84.4°F (29.1°C).

Temperature

Olivet's shift into August sets the average high-temperature at a still moderately hot 84.4°F (29.1°C), a figure that deviates only slightly from July's 85.6°F (29.8°C). During August, Olivet perceives a consistent contrast from the daytime highs, with an average low-temperature of 62.6°F (17°C).

Heat index

For August, the heat index is evaluated at a tropical 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in August is 66%.

Rainfall

In Olivet, in August, it is raining for 12 days, with typically 1.77" (45mm) of accumulated precipitation. In Olivet, during the entire year, the rain falls for 106.8 days and collects up to 19.29" (490mm) of precipitation.

Snowfall

In Olivet, South Dakota, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 54min.
On the first day of August, sunrise is at 6:21 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:06 pm CDT.

Sunshine

In Olivet, 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

In Olivet, in August, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 62.6°F (17°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 66%.

How many days does it rain in August?

In Olivet, in August, it is raining for 12 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length in Olivet, South Dakota, is 13h and 54min.

When is the sunrise / sunset in August in Olivet?

In August, on the first day of the month, sunrise is at 6:21 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:06 pm CDT.

How many hours of sunshine does Olivet have in August?

In August, the average sunshine duration is 10.5h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

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 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
Olivet, SD

Average temperature in August - Olivet, SD
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in August
Olivet, SD

Average pressure in August - Olivet, 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
Olivet, SD

Average wind speed in August - Olivet, SD
  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in August
Olivet, SD

Average humidity in August - Olivet, SD
  • Average humidity in August: 66%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).

Average rainfall in August
Olivet, SD

Average rainfall in August - Olivet, SD
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in August
Olivet, SD

Average rainfall days in August - Olivet, SD
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in August
Olivet, SD

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

The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Olivet, SD

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

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Olivet, SD

Average daylight in August / Average sunshine in August - Olivet, 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 0min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in August
Olivet, SD

Average sunshine days in August - Olivet, SD
  • Average sunshine days in August: 15.9 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in August
Olivet, SD

Average UV index in August - Olivet, 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
Olivet, SD

Average cloud cover in August - Olivet, SD
  • Average cloud cover in August: 25

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in August
Olivet, SD

Average visibility in August - Olivet, 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).

Olivet, South Dakota, USA

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