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United StatesThe weather in August in Custer
It's warm in August in Custer with an average temperature of 25°C. Temperatures this month range from a low of 22°C to a high of 27°C. At night, you can expect temperatures between 10°C and 14°C.
Looking for sun? August isn’t a good month to be in Custer. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Custer, South Dakota. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2023, Custer reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 11°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 20°C.
Rainfall amount
In August, there is an average of 123 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in August for Custer
Click on any day in August to get detailed info about the usual weather on that day in Custer. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Custer | New York | |
|---|---|---|
| Average temperature | 25°C | 30°C |
| Max. temperature | 27°C | 31°C |
| Min. temperature | 10°C | -5°C |
| Total precipitation | 123 mm | 79 mm |
| Rainy days | 14 days | 13 days |
Start of August
The month of August starts in Custer with warm temps, averaging around 26°C during the day and nights around 13°C.
Mid August
By mid-August, daytime temps drop to around 25°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Custer is around 26°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Custer for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Custer, South Dakota. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Custer
Temperature in August in Custer over the years
Precipitation charts
These charts show the average amount of precipitation in August in Custer, South Dakota. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Custer
Total precipitation in August in Custer over the years
Daily UV index in August in Custer
This chart shows the average daily UV index in August in Custer, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Custer
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Average weather in Custer by month
Click on a month below to see detailed weather info for Custer. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.