August weather forecastChamberlain, SD
August
Weather in August
August sees a slight dip in temperatures, but it remains unmistakably summer in Chamberlain, South Dakota. The month continues the pattern of scarce rainfall and long, sunny days. Even though the temperature drops slightly from the July highs, the weather remains noticeably hot and dry. As the month draws to an end, there is an anticipation of cooler temperatures with the transition to autumn around the corner. The dipping average maximum wind speed to 9.9mph (15.9km/h) ensures a calmer atmosphere during the high summer temperatures.Temperature
August's advent presents an average high-temperature of a moderately hot 85.8°F (29.9°C), indicating a slight variation from the conditions of the previous month. Chamberlain's temperature in August declines substantially from daytime highs, settling at a consistent average of 63.7°F (17.6°C) during the nights.Heat index
The heat index value during August is evaluated at a tropical 89.6°F (32°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Chamberlain, the average relative humidity in August is 59%.Rainfall
In August, the rain falls for 11 days. Throughout August, 1.5" (38mm) of precipitation is accumulated. In Chamberlain, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
In Chamberlain, snow does not fall in May through September.Daylight
In August, the average length of the day in Chamberlain is 13h and 56min.On the first day of August, sunrise is at 6:26 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:14 pm CDT.
Sunshine
In August, the average sunshine is 11h.UV index
The months with the highest UV index in Chamberlain are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 during August translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Chamberlain, SD
- Average high temperature in August: 85.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in August
Chamberlain, SD
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Chamberlain, SD
- Average wind speed in August: 9.1mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in August
Chamberlain, SD
- Average humidity in August: 59%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in August
Chamberlain, SD
- Average rainfall in August: 1.5"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in August
Chamberlain, SD
- Average rainfall days in August: 11 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Chamberlain, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Chamberlain, SD
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Chamberlain, SD
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in August
Chamberlain, SD
- Average sunshine days in August: 17.2 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in August
Chamberlain, SD
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in August
Chamberlain, SD
- Average cloud cover in August: 20
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in August
Chamberlain, 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).
