August weather forecast
Cavour, SD

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Weather in August

August, the last month of the summer in Cavour, is also a moderately hot month, with an average temperature varying between 84.2°F (29°C) and 61.3°F (16.3°C).

Temperature

With the onset of August, the average high-temperature registers at a still warm 84.2°F (29°C), subtly different from July's 85.6°F (29.8°C). Cavour sees a large disparity in day to night temperatures in August, with the night temperature dropping to an average of 61.3°F (16.3°C).

Heat index

The heat index for August is appraised at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Cavour, the average relative humidity in August is 63%.

Rainfall

In Cavour, in August, during 11.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 101.8 rainfall days, and 18.19" (462mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of August, sunrise is at 6:20 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:09 pm CDT.

Sunshine

In August, the average sunshine is 10.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in August translates into these instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

The high-temperature, in August, in Cavour, is 84.2°F (29°C), while the low-temperature averages to 61.3°F (16.3°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August in Cavour is 63%.

How many days does it rain in August?

In Cavour, during August, the rain falls for 11.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Cavour have in August?

In Cavour, the average day length in August is 13h and 58min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:20 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:09 pm CDT.

How many hours of sunshine does Cavour have in August?

In Cavour, the average sunshine duration in August is 10.8h.

What is the month 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 intensity in August in Cavour?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Cavour, SD

Average temperature in August - Cavour, SD
  • Average high temperature in August: 84.2°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 (23.2°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

Average pressure in August
Cavour, SD

Average pressure in August - Cavour, SD
  • Average pressure in August: 29.91"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).

Average wind speed in August
Cavour, SD

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

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

Average humidity in August
Cavour, SD

Average humidity in August - Cavour, SD
  • Average humidity in August: 63%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).

Average rainfall in August
Cavour, SD

Average rainfall in August - Cavour, SD
  • Average rainfall in August: 1.97"

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

Average rainfall days in August
Cavour, SD

Average rainfall days in August - Cavour, SD
  • Average rainfall days in August: 11.6 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in August
Cavour, SD

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

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Cavour, SD

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

The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Cavour, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Cavour, SD

Average sunshine days in August - Cavour, SD
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Cavour, SD

Average UV index in August - Cavour, 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 and November (UV index 1).

Average cloud cover in August
Cavour, SD

Average cloud cover in August - Cavour, SD
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in August
Cavour, SD

Average visibility in August - Cavour, 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).

Cavour, South Dakota, USA

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