August weather forecastGustave, SD
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Gustave, South Dakota, with an average temperature ranging between min 62.2°F (16.8°C) and max 82.9°F (28.3°C).Temperature
Gustave's weather in August, with an average high-temperature of a still warm 82.9°F (28.3°C), subtly shifts from July's 85.1°F (29.5°C). An average nighttime temperature of 62.2°F (16.8°C) is observed during August.Heat index
For most parts of August, the heat index is estimated at 84.2°F (29°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
With an average relative humidity of 47%, August is the least humid month.Rainfall
In August, in Gustave, the rain falls for 10.4 days. Throughout August, 1.3" (33mm) of precipitation is accumulated. In Gustave, during the entire year, the rain falls for 103.8 days and collects up to 14.88" (378mm) of precipitation.Snowfall
June through September are months without snowfall in Gustave.Daylight
The average length of the day in August in Gustave is 14h and 2min.On the first day of August in Gustave, sunrise is at 5:41 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:34 pm MDT.
Sunshine
With an average of 11.5h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index in Gustave, South Dakota, are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Gustave, SD
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in August
Gustave, SD
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Gustave, SD
- Average wind speed in August: 9.9mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in August
Gustave, SD
- Average humidity in August: 47%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Gustave, SD
- Average rainfall in August: 1.3"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in August
Gustave, SD
- Average rainfall days in August: 10.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in August
Gustave, SD
- Average snowfall in August: 0"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Gustave, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Gustave, SD
- Average daylight in August: 14h and 0min
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: 11h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in August
Gustave, SD
- Average sunshine days in August: 17.5 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in August
Gustave, 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 February and December (UV index 1).
Average cloud cover in August
Gustave, SD
- Average cloud cover in August: 18
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in August
Gustave, 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).
