August weather forecastMarlow, SD
August
Weather in August
The last month of the summer, August, is another warm month in Marlow, South Dakota, with an average temperature varying between 59.7°F (15.4°C) and 81.1°F (27.3°C).Temperature
The shift from July to August is characterized by an average high-temperature of a still warm 81.1°F (27.3°C), not significantly different from the 81.7°F (27.6°C) of July. In Marlow, the nighttime temperature averages to a refreshing 59.7°F (15.4°C) during August.Heat index
The heat index value during August is evaluated at 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Marlow, the average relative humidity in August is 65%.Rainfall
In Marlow, in August, during 11.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Marlow, during the entire year, the rain falls for 98.2 days and collects up to 16.26" (413mm) of precipitation.Snowfall
In Marlow, snow does not fall in June through September.Daylight
In Marlow, the average length of the day in August is 14h and 5min.On the first day of August in Marlow, sunrise is at 6:13 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:09 pm CDT.
Sunshine
The average sunshine in August is 10.5h.UV index
In Marlow, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Take precautions - Protection against sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marlow, SD
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in August: 59.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in August
Marlow, SD
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Marlow, SD
- Average wind speed in August: 8.1mph
The windiest months (with the highest average wind speed) are April and October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in August
Marlow, SD
- Average humidity in August: 65%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (64%).
Average rainfall in August
Marlow, SD
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in August
Marlow, SD
- Average rainfall days in August: 11.2 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in August
Marlow, SD
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marlow, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marlow, SD
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Marlow, SD
- Average sunshine days in August: 18 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Marlow, SD
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Marlow, SD
- Average cloud cover in August: 24
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in August
Marlow, SD
- Average visibility in August: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
