August weather forecastRedfield, SD
August
Weather in August
As the summer starts transitioning into fall, August in Redfield, South Dakota sees a marginal drop in temperatures. Compared to July, the amount of rainfall reduces to 1.77" (45mm), initiating the oncoming drier season. While temperatures begin to taper off, the weather remains generally hot and humid. The length of the day starts to reduce but still offers enough daylight for outdoor activities. The populace of Redfield consequently experiences a blend of late summer and early fall conditions.Temperature
August's presence records an average high-temperature of a still moderately hot 84.4°F (29.1°C), closely mirroring July's climate. A steep decline to a refreshing 61.3°F (16.3°C) characterizes the August nights.Heat index
During August, the heat index is evaluated at a hot 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The average relative humidity in August is 62%.Rainfall
In August, in Redfield, the rain falls for 11.3 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Redfield, during the entire year, the rain falls for 97.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 14h and 1min.On the first day of August, sunrise is at 6:20 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 8:12 pm CDT.
Sunshine
In Redfield, the average sunshine in August is 10.8h.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 health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during August translates into the following guidance:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. 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
Redfield, SD
- Average high temperature in August: 84.4°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 (22.5°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in August
Redfield, 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
Redfield, SD
- Average wind speed in August: 8.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in August
Redfield, SD
- Average humidity in August: 62%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in August
Redfield, SD
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in August
Redfield, SD
- Average rainfall days in August: 11.3 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in August
Redfield, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Redfield, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Redfield, 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 48min
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 6min).
Average sunshine days in August
Redfield, SD
- Average sunshine days in August: 16.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in August
Redfield, 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 February (UV index 1).
Average cloud cover in August
Redfield, SD
- Average cloud cover in August: 23
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in August
Redfield, 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).
