August weather forecast
Richmond Lake Heights Development, SD

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Weather in August

August, the last month of the summer in Richmond Lake Heights Development, is also a moderately hot month, with an average temperature fluctuating between 61°F (16.1°C) and 83.1°F (28.4°C).

Temperature

Richmond Lake Heights Development experiences a subtle adjustment in high-temperatures to a still moderately hot 83.1°F (28.4°C) with the onset of August, maintaining near parity with July's 84.7°F (29.3°C). August presents a pronounced divergence from daily peak temperatures, with the average low-temperature of 61°F (16.1°C).

Heat index

The heat index in August is calculated to be a tropical 86°F (30°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 60%.

Rainfall

In August, the rain falls for 10.4 days. Throughout August, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Richmond Lake Heights Development, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 14h and 4min.
On the first day of August, sunrise is at 6:19 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:13 pm CDT.

Sunshine

The average sunshine in August 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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 83.1°F (28.4°C) and 61°F (16.1°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What are the least humid months?

August and September, with an average relative humidity of 60%, are the least humid months.

What is the average humidity in August?

In Richmond Lake Heights Development, the average relative humidity in August is 60%.

How much does it rain in August?

In Richmond Lake Heights Development, in August, during 10.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow?

In Richmond Lake Heights Development, snow does not fall in June through September.

What is the average length of the day in August?

In August, the average day length is 14h and 4min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:19 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:13 pm CDT.

How many hours of sunshine does Richmond Lake Heights Development have in August?

In Richmond Lake Heights Development, the average sunshine duration in August is 10.7h.

When is 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 intensity in August?

In Richmond Lake Heights Development, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Richmond Lake Heights Development, SD

Average temperature in August - Richmond Lake Heights Development, SD
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in August
Richmond Lake Heights Development, SD

Average pressure in August - Richmond Lake Heights Development, SD
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Richmond Lake Heights Development, SD

Average wind speed in August - Richmond Lake Heights Development, SD
  • Average wind speed in August: 8.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

Average humidity in August
Richmond Lake Heights Development, SD

Average humidity in August - Richmond Lake Heights Development, SD
  • Average humidity in August: 60%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

Average rainfall in August
Richmond Lake Heights Development, SD

Average rainfall in August - Richmond Lake Heights Development, SD
  • Average rainfall in August: 1.61"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in August
Richmond Lake Heights Development, SD

Average rainfall days in August - Richmond Lake Heights Development, SD
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

Average snowfall in August
Richmond Lake Heights Development, SD

Average snowfall in August - Richmond Lake Heights Development, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Richmond Lake Heights Development, SD

Average snowfall days in August - Richmond Lake Heights Development, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Richmond Lake Heights Development, SD

Average daylight in August / Average sunshine in August - Richmond Lake Heights Development, SD
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Richmond Lake Heights Development, SD

Average sunshine days in August - Richmond Lake Heights Development, SD
  • Average sunshine days in August: 18.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

Average UV index in August
Richmond Lake Heights Development, SD

Average UV index in August - Richmond Lake Heights Development, 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 and November (UV index 1).

Average cloud cover in August
Richmond Lake Heights Development, SD

Average cloud cover in August - Richmond Lake Heights Development, SD
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

Average visibility in August
Richmond Lake Heights Development, SD

Average visibility in August - Richmond Lake Heights Development, 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).

Richmond Lake Heights Development, South Dakota, USA

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