August weather forecast
Onida, SD

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Weather in August

August, the last month of the summer in Onida, is another warm month, with an average temperature varying between 83.8°F (28.8°C) and 63°F (17.2°C).

Temperature

August's onset brings an average high-temperature of a still warm 83.8°F (28.8°C), showing a minute difference from July's 85.8°F (29.9°C). During August, Onida witnesses a consistent average low-temperature of 63°F (17.2°C).

Heat index

August's mean heat index is evaluated at a hot 86°F (30°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The months with the lowest humidity in Onida, South Dakota, are August and September, with an average relative humidity of 56%.

Rainfall

In Onida, during August, the rain falls for 11.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

In Onida, snow does not fall in June through September.

Daylight

In Onida, the average length of the day in August is 14h and 0min.
On the first day of the month, sunrise is at 6:27 am and sunset at 9:05 pm. On the last day of August, in Onida, sunrise is at 7:02 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in August in Onida is 10.7h.

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 threat to health from exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

How hot is August in Onida?

The high-temperature in Onida during August is 83.8°F (28.8°C) and the low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What are the least humid months in Onida?

August and September, with an average relative humidity of 56%, are the least humid months.

What is the average humidity in August in Onida?

The average relative humidity in August is 56%.

How many days does it rain in August in Onida?

In August, the rain falls for 11.3 days. Throughout August, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Onida?

In Onida, South Dakota, snow does not fall in June through September.

How many hours of daylight does Onida have in August?

In August, the average day length in Onida, South Dakota, is 14h and 0min.

What time are sunrise and sunset in August in Onida?

On the first day of August in Onida, South Dakota, sunrise is at 6:27 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:18 pm CDT.

How many hours of sunshine does Onida have in August?

In Onida, South Dakota, the average sunshine duration in August is 10.7h.

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

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

What is the UV index intensity in August in Onida?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Onida, SD

Average temperature in August - Onida, SD
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in August
Onida, SD

Average pressure in August - Onida, SD
  • Average pressure in August: 29.9"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Onida, SD

Average wind speed in August - Onida, SD
  • Average wind speed in August: 9.7mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

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Average humidity in August
Onida, SD

Average humidity in August - Onida, SD
  • Average humidity in August: 56%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).

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Average rainfall in August
Onida, SD

Average rainfall in August - Onida, SD
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Onida, SD

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

The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in August
Onida, SD

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

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Onida, SD

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

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Onida, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Onida, SD

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

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in August
Onida, SD

Average UV index in August - Onida, 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 1).

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Average cloud cover in August
Onida, SD

Average cloud cover in August - Onida, SD
  • Average cloud cover in August: 22

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in August
Onida, SD

Average visibility in August - Onida, SD
  • Average visibility in August: 6mi

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

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Onida, South Dakota, USA

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